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

2. Aggregate fruit spicate, 10 cm long, stipe2cmlong; follicles ellipsoid or ovoid, 1.2 - 1.5 cm long, apexwithshort and curved tip, outside inconspicuouslysparselylenticeled.

3. 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.

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

5. The QS biotype was superior to the QR biotype in the bud rate, in the plant height, in the root and aboveground weight, in the number of spicate and in the seed weight.