Herbarium LE - Specimens

Rhizophoraceae?

Bruguiera gymnorhiza (L.) Lam. ex Savigny

Quang Ninh Province, Van Don District, Van Yen Commune, Bai Tu Long National Park, Cai Lim protection sector|, around point 21º06’30’’N 107º34’42’’E. Mangrove scrub in flooded littoral zone along sea shore. Treelet to 3 m tall. Old flowers reddish, fruits dark green. Common.

16 May 2025, Cuong Huu Nguyen, Ha Van Dang, Ly Van Nguyen, Nam Van Duong, Tuan Thanh Tran, Hai Xuan Cao, L. Averyanov, T. Maisak, AL4303 (NHC104).

Asclepiadaceae

Hoya multiflora Blume

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Epiphytic undershrub with pendulous and erect shoots to 1.5 m long on tall mossy tree. Flowers buds white. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4210 (NHC021).

Meliaceae

Aglaia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Tree to 20 m tall and 40 cm DBH. Fruits globular to 3 cm in diameter, dull gray brownish. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4209 (NHC020).

Euphorbiaceae

Phyllanthus sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Treelet to 6 m tall. Occasional.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4208 (NHC019).

Phormiaceae

Chlorophytum malayense Ridl.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Terrestrial rosulate herb in open wet place along trail. Flowers white, anthers yellow. Occasional.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4207 (NHC018).

Nyssaceae

Diplopanax pubescens sp. nov.?

(Diplopanax stachyanthus Hand.-Mazz. aff.)

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree about 20 m tall on very steep rocky slope. Flowers buds light greenish. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4288 (NHC090).

Nyssaceae

Diplopanax pubescens sp. nov.?

(Diplopanax stachyanthus Hand.-Mazz. aff.)

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree about 20 m tall on very steep rocky slope. Flowers buds light greenish. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4288 (NHC090).

Selaginellaceae

Selaginella sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Terrestrial and lithophytic ascending herb on shady rocky slope. Common near mountain top.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4287 (NHC089).

Gesneriaceae

Rhynchotechum ellipticum (D.Dietr.) A.DC.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Erect terrestrial herb or undershrub to 1.5 m tall in open place along trail. Not rare.

09 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4205 (NHC016).

Verbenaceae

Gomphostemma leptodon Dunn?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Erect terrestrial herb or undershrub to 2 m tall in open place along trail. Flowers white. Common.

09 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4203 (NHC014).

Fabaceae s.l. (Mimosaceae)

Archidendron sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree about 15 m tall on steep slope. Flowers white. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4286 (NHC088).

Cletraceae

Cletra sp.?

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Small tree on steep slope. Flower buds light greenish. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4279 (NHC081).

Theaceae (or Myristicaceae)

Gen.?

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree to 15 m tall on steep slope. Flower buds white. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4278 (NHC080).

Magnoliaceae

Magnolia balansae Aug.DC.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree to 20 m tall on steep slope. Flowers white. Common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4277 (NHC079).

Rubiaceae

Ophiorrhiza sanguinea Blume?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Terrestrial herb to 0.5 m tall in open wet place. Flowers white to pinkish. Not common.

09 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4200 (NHC011).

Fabaceae

Derris sp.?

Quang Nam Province, Phuoc Son District, Dak My River at elevation of about 100 m a.s.l. Secondary shrubs among open river rocks. Tree 5-6 m tall, Flowers light blue-violet. Occasional.

03 May 2025, L. Averyanov, N.V. Canh, T. Maisak, AL4139.

Euphorbiaceae

Phyllanthus paniculatus Oliv.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Small shrub to 1.5 m tall in rather open place along forest trail. Fruits yellow to yellow-orange. Occasional.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4276 (NHC078).

Myrsinaceae

Ardisia primulaefolia Gardn. et Champ.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Adpressed to ground rosulate herb on mossy vertical cliff near mountain top. Flowers buds white. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4293 (NHC095).

Urticaceae

Elatostema sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Terrestrial and lithophytic herb to 30 cm tall in open mossy places along forest trail. Very common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4271 (NHC073).

Commelinaceae

Pollia sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Erect terrestrial herb to 1 m tall in open place along trail. Flowers white. Not rare.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4268 (NHC070).

Podocarpaceae

Podocarpus neriifolius D.Don

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree about 15 m tall on steep shady rocky slope. Occasional.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4292 (NHC094).

Cyperaceae

Carex baviensis Franch.?

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Terrestrial and lithophytic sedge in open mossy places along forest trail. Common near mountain top.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4291 (NHC093).

Myrsinaceae

Ardisia sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Herb or undershrub to 0.5 m tall on shady steep slope. Flower buds light pink. Not common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4267 (NHC069).

Artistolochiaceae

Asarum maximum?

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Creeping herb on very steep shady slope. Flowers inside dark brown-violet with dull yellow center. Not rare.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4265 (NHC067).

Hypoxidaceae

Curculigo sp. (Moliniera)

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Terrestrial rosulate herb on shady slope. Flowers yellow. Not rare.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4261 (NHC066).

Myrsinaceae

Ardisia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Undershrub to about 1.5 m tall on shady slope. Flowers light pink. Not common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4259 (NHC064).

Cyperaceae

Carex bavicola Raymond (Mapania sp.)

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Terrestrial sedge on shady slope. Locally common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4255 (NHC060).

Cyperaceae

Carex bavicola Raymond (Mapania sp.)

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Terrestrial sedge on shady slope. Locally common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4255 (NHC060).

Sapotaceae

Eberhardtia sp.

Hanoi Capital Region, Ba Vi National Park, humid mossy primary and secondary evergreen broad-leaved forest on steep mountain slopes composed by solid shale at elevation of 1100-1300 m a.s.l. along trail to peak of 1296 m. Tree about 20 m tall, shoots with milky juice. Flowers white. Common.

11 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4266 (NHC068).

Apocynaceae

Rauvolfia verticillata (Lour.) Baill.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Treelet about 2 m tall on shady slope. Flowers white. Not common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4247 (NHC052).

Euphorbiaceae

Antidesma fordii Hemsl.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Tree to 10 m tall on shady slope. Not rare.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4246 (NHC051).

Polypodiaceae s.l.

Pyrrosia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Creeping epiphyte on tall mossy trees. Very common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4245 (NHC050).

Acanthaceae

Hemigraphis sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Terrestrial herb in open place along forest trail. Occasional. Spicy plant in local kitchen.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4244 (NHC049).

Polypodiaceae s.l.

Colysis digitata Ching?

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Terrestrial and lithophytic creeping fern on shady slope. Not rare.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4243 (NHC048).

Icacinaceae

Gomphandra tetrandra (Wall.) Sleumer

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Shrub to 2 m tall on shady slope. Flowers white. Locally common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4242 (NHC047).

Annonaceae

Miliusa balansae Finet & Gagnep.

Hanoi Capital Region, Ba Vi National Park, old humid secondary and remnants of primary evergreen broad-leaved forest on steep mountain slopes composed by shale at elevation of about 1000 m a.s.l. Treelet about 5-6 m tall on shady slope. Young fruits red. Not common.

10 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4248 (NHC053).

Theaceae

Gordonia axillaris (Roxb.) D.Dietr.?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Treelet to 10 m tall on shady slope. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4231 (NHC042).

Urticaceae

Elatostema xanthophyllum W.T.Wang?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Terrestrial herb to 0.4 m tall on shady slope. Common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4228 (NHC039).

Myrsinaceae

Ardisia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Shrub to 2 m tall on shady slope. Flower buds dull pinkish. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4229 (NHC040).

Rubiaceae

Mussaenda sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Scandent shrub of vine to 3 m long on open steep slope along trail. Floral bracts white. Very common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4227 (NHC038).

Saurauiaceae

Sauraia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Tree about 15 m tall on shady slope along trail. Flowers light pink. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4226 (NHC037).

Moraceae

Ficus sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Woody vine on shady slope along trail. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4225 (NHC036).

Begoniaceae

Begonia lancangensis S.H.Huang

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Erect terrestrial herb to 1 m tall on shady slope along trail. Flowers white. Leaves with dark purple nerves. Common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4224 (NHC035).

Commelinaceae

Pollia sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Erect terrestrial herb to 0.8 m tall in open wet place. Very common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4223 (NHC034).

Apocynaceae

Tabernaemontana sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Treelet about 3.5 m tall on steep slope. Fruits orange. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4222 (NHC033).

Rubiaceae

Myrioneuron effusum (Pit.) Merr.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Undershrub 2-2.5 m tall on steep slope. Flowers yellow. Not rare.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4220 (NHC031).

Symplocaceae

Symplocos sp.?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Treelet to 4 m tall. Flowers yellow. Not common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4219 (NHC030).

Moraceae

Ficus sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Tree to 8 m tall in shady slope. Syconia green. Common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4217 (NHC028).

Rubiaceae

Psychotria sp.?

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Shrub or treelet to 3-4 m tall. Flowers white. Common.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4216 (NHC027).

Rubiaceae

Tarenna sp.

Hanoi Capital Region, Ba Vi National Park, old humid secondary evergreen broad-leaved forest on very steep mountain slopes composed by granite and shale at elevation of 700-850 m a.s.l. Shrub or treelet to 3-4 m tall. Flowers white to greenish. Fruits green. Occasional.

9 May 2025, Cuong Huu Nguyen, Son Van Le, Ha Van Dang, Ly Van Nguyen, L. Averyanov, T. Maisak, AL4215 (NHC026).