Sunday, June 16, 2013

[Orchidology • 2011] Nervilia gracilis • A New Orchid Species from Northern Vietnam

Nervilia gracilis Aver.

Nervilia gracilis – a new species for science discovered in northern Vietnam was described and illustrated. This species belongs to complex of miniature 1-flowered species and has the closest relation to Laotian N. calcicola, from which it differs in keeled disk of the lip and very small membranaceous leaves. 

Key words: Flora of Vietnam, Nervilia gracilis, new orchid species, taxonomy, plant diversity

Ecology: Primary broad-leaved, mixed and coniferous humid shady evergreen forests on rocky limestone at elev. 900-1400 m a.s.l. Fl. March - April. Fruits May - June. Very rare (EN). 

 Distribution: Vietnam (provinces: Cao Bang, Ha Giang).

Leonid V. Averyanov. 2011. Nervilia gracilis – A New Orchid Species from Northern Vietnam. Taiwania. 56(1): 50-53.

Lin, T.-P. and W.-M. Lin. 2009. Newly Discovered Native Orchids of Taiwan (III). Taiwania 54: 323-333.