Senna bacillaris (L. fil.) H. S. Irwin & Barneby

Chamaefistula bacillaris (L.f.) G. Don, Gen. Syst. 2: 451. 1832
? Mimosa nodosa L. Sp. PI. 516. 1753. Cassia bacillaris ,.i. Suppl. 231. 1781. Calharlocarpus Bacillus Pers. Syn. PI. 1: 459. 1805. Bactyri labium bacillare Homem. Hort. Havn. 1: 392. 1813.
A shrub or small tree, 4-6 m. high, or vine-like and up to 7 m. long, the slender twigs puberulent at least when yoimg. Stipules linear, caducous; petiole 2-4 cm. long; rachis bearing an oblong-conic blunt gland between the lower pair of leaflets; leaflets submembranous, ovate to elliptic or ovate-lanceolate, acute or acuminate, 6-12 cm. long, pale and puberulent beneath, glabrate above, very inequilateral and oblique; inflorescence mostly terminal and paniculate, large; sepals oblong, 7-11 mm. long, appressed-pubescent ; petals 18-22 mm. long, orbicularobovate to elliptic; ovary densely appressed-pubescent; legume subterete, glabrous, 10-27 cm. long, 10-14 mm. thick.
Type locality: Surinam.
Distribution: Porto Rico; St. Kitts (?); Tobago; Trinidad; Costa Rica; Panama; Colombia to Dutch Guiana and Brazil.

Perennial, Shrubs, Woody throughout, Plants stoloniferous, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems greater than 2 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Extrafloral nectary glands on petiole, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules deciduous, Stipules free, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 4, Leaves hairy on one or both surfaces, Inflorescence panicles, Inflorescence axillary, Inflorescence terminal, Bracts conspicuously present, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals separate, Petals orange or yellow, Fertile stamens 6-8, Stam ens heteromorphic, graded in size, Stamens completely free, separate, Filaments glabrous, Anthers opening by basal or terminal pores or slits, Style terete, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit compressed between seeds, Fruit glabrous or glabrate, Fruit 11-many seeded, Seeds embedded in gummy or spongy pulp, Seed with elliptical line or depression, pleurogram, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.

Senna bacillaris é uma das espécies de árvore perene da família das leguminosas. Tem cerca de 2 m de altura. Seus nomes comuns são "aleluia", "pau-fava", "cabo-verde", "mandurirana", "canudeiro" e "amarelinha". É nativa de Indonésia, mas foi introduzido na Ásia, África e principalmente na América Latina.

Senna bacillaris là một loài thực vật có hoa trong họ Đậu. Loài này được (L.f.) H.S.Irwin & Barneby miêu tả khoa học đầu tiên.