天麻属(兰科)一新变种——卵果天麻

Gastrodia elata Bl.var.obovata,A New Variety of the Orchidaceae from Shaanxi,China

记载了陕西天麻属一新变种——卵果天麻(Gastrodia elatavar.obovata Y.J.Zhang)。新变种与原变种不同在于花螺旋排列,果实短圆锥型偏斜,花茎多为3节。

A new variety,Gastrodia elata var.obovata Y.J.Zhang,of the Orchidaceae from Jiuzhongjin,Lüeyang County,Shaanxi,China,is described and illustrated.The new variety is different from the typical one by the spirally arranged flowers,obovote and basally oblique capsula,and three noded scapules.