Nervilia gracilis——越南北部的新種蘭科植物

Nervilia gracilis – A New Orchid Species from Northern Vietnam

本文敘述並描繪越南北部發現的新物種Nervilia gracilis。該種屬於小型單花的種群，且與寮國的N. calcicola相近；但由唇盤具龍骨狀突起，以及很小的膜質葉片可與之區辨。

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.