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1·Fruit an aggregate, spicate, 10-12 cm long; follicles long ellipsoid, obovoid or ovoid, apex obtuse or abruptly mucronate.

聚合果长10 - 12厘米，穗状；蓇葖长圆形、倒卵形或卵形，顶端圆钝或具短凸尖。

2·Inflorescences thyrses, either subpaniculate below and spicate-racemose above or with numerous, mostly 2-flowered branchlets, pedicels 1 – 2 (-16) mm.

花序为聚伞圆锥花序，既不及圆锥花序同时又超过穗状的总状花序，或者带有大量的大多生有2花的小枝，花梗1–2（16）毫米。

3·Brazilian shrub having twice-pinnate leaves and small spicate flowers followed by flat or irregularly torulose pods; sometimes placed in genus Piptadenia.

巴西的灌木，有两倍羽状的叶子和小的有穗的花，有平的不规则的豆荚；有时被归为南美豆属。

4·Spicate top is unripe, yellow luxuriants piece, jackknife is bunchy, be like langouste, fox-brush, and blossom all the year round, appropriate and potted, also can make flower bed decorate.

穗状花序顶生，黄色苞片，重叠成串，似龙虾。狐尾，且常年开花，适宜盆栽，也可作花坛布置。

穗状

1·Fruit an aggregate, spicate, 10-12 cm long; follicles long ellipsoid, obovoid or ovoid, apex obtuse or abruptly mucronate.

聚合果长10 - 12厘米，穗状；蓇葖长圆形、倒卵形或卵形，顶端圆钝或具短凸尖。