Herbarium LE - Specimens

Gesneriaceae

Hemiboea malipoensis Y.H. Tan

Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Terrestrial herb to 1.5 m tall on shady very steep rocky slope. Flowers yellow. Common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1589.

Gesneriaceae

Ornithoboea wildeana Craib

Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic herb to 1 m tall on steep rocky slope. Very common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1584.

Gesneriaceae

Paraboea nutans D. Fang & D.H. Qin

Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic rosulate herb on shady mossy vertical cliff. Leaves dark green above, almost gray-white below. Not common. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1569.

Gesneriaceae

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460ºN 104.88377ºE steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest.vLithophytic rosulate herb with fleshy leaves. Not rare. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1383a (only sterile living plants collected).

Flowered in horto 17 06 2021, Averyanov L., T. Maisak. VR 1383. Flowers pale light violet, inside tube yellowish, pistil light greenish.

Gesneriaceae

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460ºN 104.88377ºE steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest.vLithophytic rosulate herb with fleshy leaves. Not rare. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1383a (only sterile living plants collected).

Flowered in horto 17 06 2021, Averyanov L., T. Maisak. VR 1383. Flowers pale light violet, inside tube yellowish, pistil light greenish.

Gesneriaceae

Ha Giang prov., Quan Ba distr., Cao Ma Po commune, Chin Chu Lin village, around point 23º05ʹ13.5ʺN 104º48ʹ30.2ʺE, rocky outcrops on steep rocky slopes composed with eroded karstic limestone at elevation 1750–1950 m a.s.l. Highly degraded remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy tree. Not common. 20 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1050.4.

Herbarium specimen prepared from cultivated flowering plants in 20.07.2021 by L. Averyanov and T. Maisak, VR 1050.4, flowers pale yellow, tube inside with 7 orange-brown nerves. Det.: Averyanov L.

Gesneriaceae

Ha Giang prov., Quan Ba distr., Cao Ma Po commune, Chin Chu Lin village, around point 23º05ʹ13.5ʺN 104º48ʹ30.2ʺE, rocky outcrops on steep rocky slopes composed with eroded karstic limestone at elevation 1750–1950 m a.s.l. Highly degraded remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy tree. Not common. 20 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1050.4.

Herbarium specimen prepared from cultivated flowering plants in 20.07.2021 by L. Averyanov and T. Maisak, VR 1050.4, flowers pale yellow, tube inside with 7 orange-brown nerves. Det.: Averyanov L.

All photos © - Cuong Nguyen Huu

Gesneriaceae

All photos © - L. Averyanov

FLORA OF VIETNAM

Plants of Phong Nha - Ke Bang National Park

Fam. Gesneriaceae

Ornithoboea sp.

Vietnam, Quang Binh Prov., Bo Trach Distr.,Son Trach Municipality, around point 17º30'32''N, 106º17'45''E at elev. 300-400 m a.s.l.

Secondary closed broad-leaved evergreen forest and scrub on rocky steep slopes of remnant mountains composed with solid highly eroded crystalline deep gray limestone.

Lithophytic herb on vertical shady cliff. Flowers blue-violet, white inside. Locally common.

No HAL 6355 2 February 2005. Photo.

Collectors: L.Averyanov, P.K.Loc, P.V.The, A.Averyanova, N.T.Vinh, N.Q.Vinh, N.T.Binh.

d-EXSICCATES OF VIETNAMESE FLORA 0010/HAL6355 (HN)

(c) Nguyen Tien Hiep, L.Averyanov, Phan Ke Loc

All photos © - L. Averyanov

Gesneriaceae

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460ºN 104.88377ºE steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest.vLithophytic rosulate herb with fleshy leaves. Not rare. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1383a (only sterile living plants collected).

Flowered in horto 17 06 2021, Averyanov L., T. Maisak. VR 1383. Flowers pale light violet, inside tube yellowish, pistil light greenish.

Gesneriaceae

Ha Giang prov., Quan Ba distr., Cao Ma Po commune, Chin Chu Lin village, around point 23º05ʹ13.5ʺN 104º48ʹ30.2ʺE, rocky outcrops on steep rocky slopes composed with eroded karstic limestone at elevation 1750–1950 m a.s.l. Highly degraded remnants of primary evergreen broad-leaved very humid forest. Epiphyte on mossy tree. Not common. 20 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1050.4.

Herbarium specimen prepared from cultivated flowering plants in 20.07.2021 by L. Averyanov and T. Maisak, VR 1050.4, flowers pale yellow, tube inside with 7 orange-brown nerves. Det.: Averyanov L.

All photos © L. Averyanov

Gesneriaceae

Thanh Hoa Prov., Thuong Xuan Distr., Bat Mot Municipality, Vin village, Xuan Lien Natural Reserve. Remnants of primary broad-leaved evergreen humid forest on rocky, highly eroded, crystalline limestone at elevation 750-800 m a.s.l. around point 19°59’11.4’’N 104°58’31.8’’E. Undershrub with pendent shoots to 0.5 m long on vertical mossy cliff near the mountain top. Flowers white with violet tint to very light violet, tube inside with light yellow spot. Not rare.

1 November 2013 CPC 6496

L.Averyanov, N.T.Hiep, N.S.Khang

All photos © Khang Sinh Nguyen

Gesneriaceae

Boeica sp.

Herbarium prepared in 29 May 2022 by L. Averyanov, N.V. Canh and T. Maisak from wild collected plants cultivated in Nguyen Van Canh garden originated from Dak Lak Province, Lak District, N.V. Canh s.n. Flowers odorless, white, anthers yellow.

29 05 2022, L. Averyanov, N.V. Canh, T. Maisak, AL 1305.

Gesneriaceae

NW Vietnam, Lai Chau Province, Sin Ho Ddistrict, Xa De Phin Commune, Mao Sao Phin Village. Remnants of primary evergreen forest on limestone mountain, at elevation 1500-1800 m a.s.l. Perennial terrestrial or lithophytic miniature herbs about 5 cm tall, flower light pink, whitish blue, not common, grows with moss on shaded places of steep or vertical slopes or cliffs.

13 October 2022, Dinh Danh Thanh, AL 1612.

All photos © - Khang Sinh Nguyen

Gesneriaceae

Raphiocarpus bicallosus C.H.Nguyen, Aver. & F.Wen

Gesneriaceae

Rhynchotechum sp.?

Nguyen Van Canh garden in Buon Ma Thuot Town. Plant originated from Dak Lak Province, Lak District, 06.2022, Nguyen Van Canh.Living plant received and photo made in 26 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, et al., AL 2009.

illolivia sp.⁣ det. Khang Sinh Nguyen, Cuong Huu Nguyen at 22.12.2022

Gesneriaceae

Ornithoboea sp.?

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Terrestrial and lithophytic herb to 0.5 m tall on steep rocky slope in rather open place. Not common.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1630.

Gesneriaceae

Chirita sp.

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Lithophytic rosulate herb on vertical mossy cliff. Occasional.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1634.

Gesneriaceae

Microchirita hamosa (R.Br.) Yin Z.Wang?

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb from 2 to 20 cm tall on vertical little wet exposed road cliff. Flowers blue to blue violet. Very common.

15 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1648.

Gesneriaceae

Microchirita aratriformis (D.Wood) A.Weber & D.J.Middleton?

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb from 2 to 20 cm tall on vertical little wet exposed road cliff. Flowers white. Rare.

15 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1649.

Gesneriaceae

Boea sp.?

Bac Kan Province, Ba Be District, central part of Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone along Ba Be River at elevation about 250 m a.s.l. Lithophytic herb on shady cliff and big rocks in humid valley between limestone hills. Common.

17 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1677.

Gesneriaceae

Boea sp.?

Bac Kan Province, Ba Be District, central part of Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone along Ba Be River at elevation about 250 m a.s.l. Lithophytic herb on shady cliff and big rocks in humid valley between limestone hills. Not common.

17 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1677a.

Gesneriaceae

Microchirita hamosa (R.Br.) Yin Z.Wang?

Bac Kan Province, Ba Be District, Ba Be National Park. Evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb to 40 cm tall on vertical wet exposed road limestone cliff. Flowers blue to blue violet. Very common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1683.

Gesneriaceae

Chirita sp.

Vietnam, Quang Binh Prov., Minh Hoa Distr., Dan Hoa municipality, Vietnam-Laotian border, around Cha Lo military station, point 17º42’50’’N 105º45’54’’E. Broad-leaved primary forest on very steep slopes and along ridge of remnant mountain composed with highly eroded solid marble-like gray limestone at elevation 500-750 m a.s.l. Lithophytic rosulate herb on vertical shady cliff. Flowers deep blue. Common.

HAL 11777 20 April 2008 photo

Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang

Gesneriaceae

Deinostigma poilanei (Pellegr.) W.T.Wang & Z.Y.Li

(=Hemiboea poilanei Pellegr.)

Khanh Hoa Province, Cam Lam District, Hon Ba Nature Reserve. Secondary evergreen, broad-leaved dry forest on granite along rocky stream at elevation about 300 m a.s.l. Terrestrial and lithophytic herb on shady very steep rocky slope. Flowers blue. Rare. 24 February 2023, L. Averyanov, Nguyen Van Canh, AL 2142. Photos.

Det.: D. Middleton 01 March 2023

FLORA OF VIETNAM

Gesneriaceae

Hemiboea sp.

Terrestrial herb. Flowers white, inside with purple red marks.

22 October 2022, V.D. Nguyen, K.S. Nguyen, X.T. Trinh, V.N. Vu, F. M. Scott, H. Daniel, W. Mark, T. Marchlik, VN-US 27

Gesneriaceae

Aeschynanthus sp.

Ha Giang prov., Quan Ba distr., Cao Ma Po commune, on the trail to Tun Vai commune, Va Thang 2 village, around point N23.07512 º E104.85256 º, elev. 1300-1370 m a.s.l., remnants of primary evergreen broad-leaved and occasionally mixed coniferous (Amentotaxus yunnanensis, Podocarpus sp.) humid forest on limestone mountain.

22 October 2022, K.S. Nguyen, AL 2193.

Gesneriaceae

Didymocarpus purpureobracteatus W.W.Sm?

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain.

24-25 October 2022, Van Du Nguyen, Khang Sinh Nguyen, Xuan Thanh Trinh, Van Nam Vu, F. M. Scott, H. Daniel, W. Mark, T. Marchlik, LC-DKT 10

Gesneriaceae

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain.

Terrestrial or epiphytic perennial herb. Common in humid place.

Gesneriaceae

Aeschynanthus bracteatus Wall. ex A.DC.

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain.

Terrestrial or epiphytic perennial herb up to 50 cm long, flower red, usually in mossy or rich humus places.

Gesneriaceae

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain.

Lithophytic or terrestrial perennial herb up to 40 cm tall, flower dark purple. Common

Gesneriaceae

Aeschynanthus acuminatissimus W.T.Wang

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain.

Terrestrial or epiphytic perennial herb, flower red, usually in mossy or rich humus places.

Gesneriaceae

Paraboea sp.

Lang Son province, Bac Son district, Vu Le commune, heavily logging evergreen broad-leaved forest on limestone mountain, elevation 400-600 m a.s.l.

Lithophytic perennial herb, leaves adaxially dark green, abaxially light brown. Rare

2 November 2022, Van Du Nguyen, Khang Sinh Nguyen, Xuan Thanh Trinh, Peter Zale, LS-DKT 04.

Gesneriaceae

Raphiocarpus taygiangensis C.H.Nguyen, K.S.Nguyen & Aver.

Quang Nam Province, Tay Giang District, A Xan Village, primary evergreen broad-leaved forest, around point 15°48'57"N, 107°19'47"E, elevation 1270 m,

20 April 2022, C.H. Nguyen, K.S. Nguyen, H.X. Cao, CKH 2022042068.

(holotype VNF; isotypes HN, LE).

Paraboea sinensis (Oliv.) B.L. Burtt

Gesneriaceae

Chirita sp.

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Lithophytic rosulate herb on vertical mossy cliff. Occasional.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL1634.

Fl. in cult, on 11.05.2023. Flowers light blue, tube white. L. Averyanov, T. Maisak, AL1634.

All photos © - L. Averyanov

Gesneriaceae

Chirita sp.

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Lithophytic rosulate herb on vertical mossy cliff. Occasional.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL1634.

Fl. in cult, on 11.05.2023. Flowers light blue, tube white. L. Averyanov, T. Maisak, AL1634.

All photos © - L. Averyanov

Gesneriaceae

Primulina crassifolia (Aver. & K.S.Nguyen) T.P.Anh, F.Wen & Mich.Möller

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23º04ʹ38.6ʺN 104º56ʹ06.8ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved mossy very humid forest. Lithophytic rosulate herb. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 900.9.

Fl. in cult. 06 June 2023. Flowers purple blue. L. Averyanov, T. Maisak, VR 900.10.

All photos © - L. Averyanov

Gesneriaceae

Primulina lungzhouensis (W.T.Wang) Mich.Möller & A.Weber

Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460ºN 104.88377ºE steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest.vLithophytic rosulate herb with fleshy leaves. Not rare. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1383a (only sterile living plants collected).

Coll. in cult. on 21 06 2023, Averyanov L., T. Maisak, VR 1383a. Flowers pale light violet, inside tube with yellowish brown stripes, pistil light greenish.

Gesneriaceae

Primulina sp.

Yen Bai Province, Luc Yen District, To Mau Municipality, Ngoi Tham Village, remnants of primary evergreen broad-leaved forest on limestone mountain at elevation 200–400 m a.s.l.

03 March 2023, Nguyen Sinh Khang, AL 2200. Living plant.

Fl. in cult. on 20 09 2023. Flower tube outside white, inside white with two yellow stripes, lobes blue. L. Averyanov, AL2200 (the same species as AL2202).

Gesneriaceae

Microchirita hamosa (R.Br.) Yin Z.Wang?

Bac Kan Province, Ba Be District, Ba Be National Park. Evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l. Annual terrestrial and lithophytic herb to 40 cm tall on vertical wet exposed road limestone cliff. Flowers blue to blue violet. Very common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1683.

Plant grown from seeds, fl. in cult on 03 10 2023, L. Averyanov, T. Maisak, AL 1683a.

Gesneriaceae

Henckelia anachoreta (Hance) D.J. Middleton & Mich. Möller⁣

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Terrestrial and lithophytic herb to 0.5 m tall on steep rocky slope in rather open place. Not common.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1630.

Plant grown from seeds, fl. in cult on 03 10 2023, L. Averyanov, T. Maisak, AL 1630a.

Det. Khang Sinh Nguyen, Cuong Huu Nguyen at 04.10.2023

Gesneriaceae

Paraboea sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Dry evergreen broad-leaved secondary forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone along lake shore on point 22º24’58’’N 105º36’48’E at elev. of about 250 m a.s.l. Lithophytic herb on vertical shady cliff. Locally common.

29 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2365.

All photos © - L. Averyanov

Gesneriaceae

Ornithoboea sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’26’’N 105º36’12’E at elev. of 600-800 m a.s.l. Terrestrial and lithophytic herb to 0.5 m tall on exposed rocks in cliff crevices. Locally common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2376.

All photos © - L. Averyanov

Gesneriaceae

Paraboea sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’26’’N 105º36’12’E at elev. of 600-800 m a.s.l. Erect lithophytic herb to 20 cm tall on vertical shady mossy cliff. Not rare.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2383.

All photos © - L. Averyanov

Gesneriaceae

Paraboea sp.

Bac Kan Province, Ba Be District, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’26’’N 105º36’12’E at elev. of 600-800 m a.s.l. Adpressed rosulate herb on vertical limestone cliff on travertine deposits. Very rare.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2402.

All photos © - L. Averyanov

Gesneriaceae

Primulina elegans B.M.Wang, Y.H.Tong & N.H.Xia

Wild collected plant in Di Linh Town private garden of Loc Bao Sang originated from northern Vietnam. Flowers dark blue.

12 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2647.

Det. Khang Sinh Nguyen at 23.12.2023

All photos © - L. Averyanov

Gesneriaceae

Primulina crassirhizoma F.Wen, Bo Zhao & Xin Hong⁣

Wild collected plant in Di Linh Town private garden of Loc Bao Sang originated from northern Vietnam. Flowers light blue.

12 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2648.

Det. Nguyen Van Khang at 13.12.2023

All photos © - L. Averyanov

Gesneriaceae

Paraboea sp.?

Wild collected plant in Di Linh Town private garden of Loc Bao Sang originated from northern Vietnam. Flowers yellow.

12 November 2023, L. Averyanov, Nguyen Van Canh, T. Maisak, AL2649.

All photos © - L. Averyanov