Caesalpinia pinnata (Griseb.) C. Wright

Poincianella oblongifolia (Urban) Britton & Rose
Caesalpinia oblongifolia Urban, Symb. Ant. 2: 281. 1900.
A shrub or small tree, 2-3 m. high, the branches and rachis of the leaves sparingly shortpubescent or glabrate. Leaves once pinnate ; petioles 1-2 cm. long; leaflets 4-9 pairs, opposite, coriaceous, strongly reticulate-veined, oblong, truncate or retuse, 1.5-3 cm. long, glabrous, sometimes ciliate , shining above, paler and black-dotted beneath, the margin entire or crenulate ; racemes few-many-flowered, 5-10 cm. long, axillary and in terminal panicles; pedicels slender, 1-2 cm. long, jointed near the top; calyx-segments oblong, about 6 mm. long, velvety-puVjescent within, black-glandular-dotted; petals 10 mm. long, short-clawed, glandular below, four of them obovate, the fifth suborbicular; stamens shorter than the petals, glandular below; ovary softly pubescent; legume oblong, 4-6 cm. long, 10-15 mm. wide, glabrous, eglandular, few-seeded; seeds obovate, 8 mm. broad, yellowish brown.
Type locality: Cuba.
Distribution: Santa Clara and Oriente. Cuba.

Poincianella savannarum Britton & Wilson, sp. nov
A low shrub, 3-6 dm. high, the twigs, foliage and inflorescence glabrous. Leaves once pinnate; petioles 1-2 cm. long; leaflets 4-9 pairs, elliptic or oblong to ovate, coriaceous, 1.5-5 cm. long, green and shining above, pale and black-glandular-dotted beneath, delicately veined, obtuse, rounded or retuse; racemes terminal, loosely several-flowered, up to 1.5 dm. long; pedicels nearly filiform, ascending, 2 cm. long, or shorter; sepals oblong, nearly alike, glandulardotted, 7 mm. long, white-lanate within; petals glandular below, short-clawed, 10-12 mm. long, four of them obovate, the other one reniform; stamens about as long as the petals.
Savannas, Santa Clara, Cuba. Type from Sancti Spiritus, July 20, 1915, Brothers Leon & Roca 7S35.

Poincianella pinnata (Griseb.) Britton & Rose
Libidibia pinnata Griseb. Cat. PI. Cub. 79. 1866.
Caesalpinia pinnata C. Wright; Sauv. Anal. Acad. Habana 5: 404. 1869.
A shrub, 2-3 m. high, glabrous throughout. Leaves 5-7 cm. long, oncu piimate; petiole about 1 cm. long, or shorter; leaflets 2-4 pairs, ovate to suborbicular or elliptic, 1.5-4 cm. long, sometimes about as wide as long, subcoriaceous, strongly reticulate-veined, bright green above, pale green, dull, and sparingly glandular-dotted beneath, the apex retuse or rounded; racemes loosely several-flowered; pedicels very slender, 1.5-2 cm. long, jointed at the apex; calyx-tube narrowed, the lobes oblong, about 7 ram. long, nearly alike, glandular-dotted; lateral petals obovate, about 17 cm. long; stamens shorter than the petals; legume oblong, acute, sessile, about 4 cm. long and 12 mm. wide, densely short-stipitate-glandular.
Type locality: Eastern Cuba. Distribution: Oriente, Cuba.

Caesalpinia pinnata là một loài thực vật có hoa trong họ Đậu. Loài này được (Griseb.) C.Wright miêu tả khoa học đầu tiên.