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Cassia reticulata
Willd.
Family:
Fabaceae
Flora of Barro Colorado Island
Resources
The Flora of Barro Colorado Island by Thomas Croat
Tree, usually 2-4 (6) m tall; branchlets puberulent, pithy. Leaves paripinnate, mostly 20-50 cm long; petioles with prominent basal pulvinus; leaflets in 9-14 pairs, oblong, acute and downturned at apex, obtuse-rounded at base, 4-13 cm long, 1.5-5.5 cm wide, usually densely pubescent on both surfaces, especially below. Racemes terminal and upper-axillary; flowers subtended in bud by a yellow, ovate, caducous bract ca 2 cm long; pedicels 2-5 mm. long; sepals elliptic, to 13 mm long; petals 5, yellow, conspicuously dark-veined, rounded at apex and turning inward at anthesis' obtuse at base, ca 16 mm long, with a slender claw ca 1 mm. long; stamens 10, the outer 2 large, fertile, with the anthers prominently curved, ca 11 mm. long, with 2 apical pores and lateral slits (sometimes not opening), each loculus almost filled with a juicy matrix, the 4 medial stamens much smaller, 4 stamens aborted; pistil puberulent, held between the 2 large stamens; style slender, recurved, the stigmatic surface sunken. Legumes flattened, to 15 cm long and 2 cm wide, marginally ribbed, breaking into many, 1-seeded, linear parts at maturity. Wetmore & Abbe 166. Occasional in marshy areas near Frijoles and elsewhere in the isthmus, but not seen recently on BCI. On the basis of old collections, it was once common on the island, but apparently prefers more disturbed, swampy areas than now exist. Flowers mostly in the dry season; Allen (1956) reported the species to flower from late August to February. The fruits persist for a long time. Time of dehiscence is not known. Mexico to Bolivia and Brazil. In Panama, known from tropical moist forest in the Canal Zone, Bocas del Toro, Colon, Los Santos, Herrera, Panama, and Darien and from tropical wet forest in Coclé.
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