1.This species is distinct in always having a globose tuber, capitate inflorescences, and a narrow, smooth achene.
本种在有一球状的块茎，头状的花序和一狭窄，平滑的瘦果方面是独特的。
2.Bracts lanceolate to linear-lanceolate, caducous at anthesis; ovary often glabrous; drupe compressed globose to transversely shortly oblong.
苞片披针形的到线状披针形，早落的在花期；子房通常无毛；核果扁球状与长圆形的横向短。
3.Capsule straight in relation to pedicel, depressed-globose, shorter than calyx, dehiscing transversely or irregularly.
直的蒴果关于花梗，扁球形，短于花萼，横向开裂或不规则。
4.Lianas, slender; old branches green-brownish or purplish, not tuberculate; seeds globose, surface finely corrugated.
藤本植物，细长；老枝绿色带褐色的或带紫色，不具瘤；种子球状，表面好地皱。
5.Inflorescences terminal, capitate, globose, many flowered, with involucre of green leaflike bracts.
花序顶生，头状，球状，多花的，具绿色叶状苞片的总苞。
6.Stems 1 (rarely more), erect, apically branched, ultimate branches each with a globose inflorescence; calyx limb without conspicuous lobes.
茎1（很少更多），直立，分枝，球状花序的末级分枝；没有明显的裂片的萼檐。
7.ovules numerous; placentation axile. Styles 2. Capsule ovoid, globose, or ellipsoid, dehiscing longitudinally or irregularly; pericarp thin.
胚珠多数中轴胎座花柱2蒴果卵球形，球状，不规则的或椭圆形，纵向开裂或；
8.Subshrubs, densely covered with T-shaped hairs; globose, dwarf branches present.
亚灌木，密被T形毛；球状，存在的侏儒分部。
9.any of several plants of the genus Trollius having globose yellow flowers.
具球形黄色花的金莲花属中许多植物的任意一种。
10.Seeds globose, compressed, with a thick, leathery testa.
种子球状，压缩，具厚，革质种皮。