Dulacia guianensis

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Dulacia guianensis


Shrub, or usually tree, (6-)14-30 m tall; trunk 15-40 cm diam., sometimes slightly buttressed; bark rough, with strong unpleasant scent. Branchlets longitudinally sulcate, with a fine patent pubescence. Petioles 3-4(-7) x 1 mm; blades thin-chartaceous, flexible, lanceolate to elliptic-oblong, 6-10(-12) x (2-)2.5-4(-5) cm, apex subacuminate-attenuate, base cuneate, slightly inequilateral, glaucous beneath by a waxy coating (which disappears when the leaf is heated), primary vein slightly raised above, papillose, prominent beneath, secondary veins (5-)6(-7) pairs, rather irregularly arcuate-ascending. Inflorescences axillary, simple or mostly 1-2-forked racemes or panicles, 5-10(-16)-flowered, rachis (0.5-)1-1.5(-2) cm long, papillose-puberulous as calyx and petals; pedicels 1-2(-3) mm long. Calyx shallowly cup-shaped, margin 5-undulate, 1 mm high; petals oblong-lanceolate, tip inflexed, fleshy, pale green or yellowish, 5-6(-7) x ca. 1.3 mm; stamens 4-5 mm long, filaments hairy, staminodes hairy below, nearly as long as petals, upper part of ovary conical, attenuate to the style, densely hairy as the lower half of the style. Fruit ellipsoid to subovoid, truncate at both ends, 2-2.3 x 1.5(-2) cm in the dry state, the umbonate top tomentulose, yellow or orange.


Guianas present present, Southern America: Venezuela (Venezuela present)
Venezuela, the Guianas, and Brazil; 40 collections studied, 12 from the Guianas (GU: 6; SU: 3; FG: 3).

Common Name

Boni (French Guiana): balata kamwi, switi udu; English (Guyana): hishirudan


Seeds said to be edible.