Comprehensive Description
provided by North American Flora
Russellodendron cacalaco (H. & B.) Britton & Rose
Caesalpinia Cacalaco H. & B. PI. Aequin. 2: 173. 1817. Coulleria mexicana DC. Prodr. 2: 481. 1825.
A shrub or a large tree, the branches bearing stout, broad-based prickles, usually glabrous. Leaves large, the rachis of ten prickly; pinnae 2-5 pairs; leaflets elliptic to obovate or suborbicular, glabrous, short-stalked, subchartaceous, 1-2.5 cm. long, rounded or retuse; racemes 1-3 dm. long, glabrous or puberulent, many-flowered; lower petals yellow, about 1 cm. long, the upper one red or blotched with red; legume 10-15 cm. long, 8-10 mm. thick, constricted between the seeds, brownish, puberulent or at length glabrous; seeds about 8 mm. broad.
Type locality: Between Chilpancingo and Zumpango. Guerrero. Distribution: Sinaloa to Puebla and Oaxaca.
- bibliographic citation
- Nathaniel Lord Britton and Joseph Nelson Rose. 1928. (ROSALES); MIMOSACEAE. North American flora. vol 23(1). New York Botanical Garden, New York, NY
