Herbarium LE - Specimens

Begoniaceae

Begonia quadripetiolata Aver., sp. nov.

Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06'52.4''N 102°22'35.8''E. Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l. Lithophytic herb with stem 10-20 cm tall on shady cliffs. Leaves and petioles uniform green. Locally very common. LA-VN 1510 22 March 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Khamla Inkhavilay, Hongthong Southyvohanh, Pinmany Sisavath, Chanthala Cheuaysamphanh.

Fl. in cult. 03 April 2025. Flowers odorless, white with yellow tint, anther and stigma yellow. L. Averyanov, T. Maisak, LA-VN 1510.

Pinaceae

Pinus petrophila Aver. et al. sp. nov. (P. dalatensis aff.).

Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’19”N 107°56’58”E. Remnants of primary broadleaved evergreen forest on sandstone mountain towered above rocky sandy uplifted plateau composed with eroded sandstone at elev. about 600 m a.s.l. Tree 10-15 m tall on rocky mountain top. Rare.

CPC 3465 19 May 2011.

Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

Pinaceae

Pinus petrophila Aver., sp. nov.

Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’44”N 107°57’19”E. Remnants of primary and secondary dry broad-leaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 550 m a.s.l. Tree 15-20 m tall on rocky places along plateaus cliff. Not rare. Former dominant of primary forest.

CPC 3575 21 May 2011. Herbarium & photos.

Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

Pinaceae

Pinus petrophila Aver., sp. nov.

Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’01”N 107°56’31”E. Remnants of primary and secondary dry broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 600-650 m a.s.l. Tree about 10 m tall in gnarled thicket of Baeckia frutescens along rocky plateau cliff. Rare.

CPC 3627 22 May 2011.

Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

Pinaceae

Pinus petrophila Aver., sp. nov.

Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’01”N 107°56’31”E. Remnants of primary and secondary dry broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 600-650 m a.s.l. Tree about 10 m tall in gnarled thicket of Baeckia frutescens along rocky plateau cliff. Rare.

CPC 3627 22 May 2011.

Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

Pinaceae

Pinus wangii Hu & W.C.Cheng

Cao Bang Prov., Bao Lac Distr., Hong An municipality, Mi Lung village. Primary broad-leaved and mixed humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1500-1550 m a.s.l. around point 22°50’01.3’’N 105°50’05.7’’E. Tree 20-30 m tall on very steep rocky slopes and cliffs as well as on mountain tops. Common. Usual co-dominant of mixed and coniferous forest in the area on ridge edges. Widely logged.

20 November 2014 CPC 7525

Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Orchidaceae

Orchipedum echinatum Aver. & Averyanova

Thua Thien Hue Province, Bach Ma National Park

3 June 2018, Truong Ba Vuong et al. (VIETBIO team), BV 322.

All photos © Truong Ba Vuong

Orchidaceae

Luisia brachystachys Blume

Lam Dong Province. Da Hoai District Ba Gia Commune, Da Si Forest,

26 March 2025, Truong Ba Vuong, BV 1930.

All photos © Truong Ba Vuong

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