1.describes a plant part that is bent inward or downward toward the stem
1.Petals white or yellow, obcordate, with an inflexed apex, outer petals in outer flowers of an umbellule enlarged and radiant.
花瓣白色或黄的，倒心形，具一内折先端，小伞的外部花外部花瓣扩大和辐射状。
2.Petals usually white, occasionally pinkish or purplish, rarely pale yellow, orbicular to obovate, with a narrow inflexed apex.
通常白色的花瓣，偶有带粉红色或略带紫色，很少浅黄的，圆形到倒卵形，具一个狭窄的内折的顶。
3.Calyx teeth obsolete. Petals white, purple or greenish yellow, spatulate to obovate with a narrow inflexed apex.
萼齿不明显花瓣白色，紫色或黄绿色，匙形到倒卵形具一狭窄内折先端。
4.Petals white, greenish white, pale yellow, purple or pale blue, spatulate or obovate with a narrowly inflexed apex.
花瓣白色，带绿色白色，浅黄，紫色或浅蓝色的，匙形或倒卵形具狭内折的先端。
5.Petals yellowish, oblong, with an elongate narrowly inflexed apex, glabrous.
花瓣淡黄，长方形，有拉长狭内折的顶，无毛。
6.Flowers bisexual. Pedicel slender, articulate below middle, articulation swollen and slightly inflexed in fruit.
花两性花梗纤细，中部以下具节，节膨胀和有点内折在果期。
7.Calyx teeth minute. Petals whitish, obcordate, apex narrow, inflexed, outer petals slightly enlarged (radiant).
萼齿小花瓣带白色，倒心形，狭窄的先端，内折，外部花瓣稍放大（辐射状）。
8.Petals broadly obovate, white, rarely pinkish or purplish, midvein yellow or yellow-green, base cuneate, with an inflexed apex.
花瓣宽倒卵形，白色，很少带粉红色或略带紫色的，黄或黄绿色，基部楔形，具内折先端。
9.Petals yellow or greenish-yellow, irregular square, obovate suborbicular, median line dark, apex narrowly inflexed.
花瓣黄的或黄绿色，不规则正方形，倒卵形近圆形，中线深色的，先端狭内折。
10.Petals white or purplish, ovate or long-obovate, base attenuate and thickening near attachment, apex narrow, inflexed, rarely plane.
花瓣白色或略带紫色的，卵形或长倒卵形，基部渐狭和靠近附属物加厚，先端狭窄，内折，很少平。