中国姜黄属一新种—南昆山莪术

Curcuma nankunshanensis (Zingiberaceae), A New Species from China

摘要:

报道姜科姜黄属一新种—南昆山莪术(Curcuma nankunshanensis N. Liu, X. B. Ye & J. Chen)。该种与近缘种广西莪术(C. kwangsiensis X. X. Chen)的区别在于侧根茎分枝多，叶片阔椭圆状披针形，表面光滑无毛，不育苞片下部白色顶端深紫红色，能育苞片绿色。它与郁金(C. aromatica Salib)的区别在于根茎内面白色，不育苞片下部白色顶端深紫红色，具有种子。

Abstract:

A new species of Curcuma L., C. nankunshanensis N. Liu, X. B. Ye & J. Chen, is described and illustrated. The new species is similar to C. kwangsiensis X. X. Chen, but differs in its lateral rhizome multibranched, leaf blades broad-lanceolate and glabrous adaxially, coma bracts white except for purple toward the apex and fertile bracts green. It is also easily distinguished from C. aromatica by its rhizome white inside, coma bracts white except for purple toward the apex, seeds bearing. A key to Curcuma from Guangdong is provided.