Comprehensive Description
provided by North American Flora
Mimosa bimucronata (DC.) Kuntze, Rev. Gen. PL 198. 1891
Acacia himiuronala DC. Prodr. 2: 469. 1825.
Mimosa sepiaria Benth. Journ. Bot. Hook. 4: 395. 1842.
Mimosa thyrsoidea Griseb. Fl. Brit. W. Ind. 219. I860.
A shrub or tree, up to 8 m. high, unarmed or prickly, the twigs and inflorescence puberulent. Pinnae 4-8 pairs; leaflets 15-40 pairs, linear-oblong, 5-10 mm. long, about 1 mm. wide, acute, glabrous; inflorescence paniculate, sometimes 3 dm. long; peduncles 1.5-3 cm. long; flowers capitate, glabrous; corolla 5-lobed; stamens 10; legume 4-5 cm. long, 7-S mm. wide, unarmed, straight, glabrous, 5-8-jointed.
Type locality: Brazil.
Distribution: Naturalized in Jamaica. British Guiana. Brazil.
- 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
Physical Description
provided by USDA PLANTS text
Perennial, Trees, Woody throughout, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Trunk or stems armed with thorns, spines or prickles, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems with hooked uncinate hairs or prickles, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules setiform, s ubulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glabrous or nearly so, Flowers solitary in axils, or appearing solitary, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals white, Imperfect flowers present, dioecious or polygamodioecious, Stamens 9-10, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit spiny, bur-like, with hooked bristles or prickles, Fruit 3-10 seeded, Seed with elliptical line or depression, pleurogram, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.
