Heisteria barbata Cuatrec.
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Authority
Sleumer, Hermann O. 1984. Olacaceae. Fl. Neotrop. Monogr. 38: 1-159. (Published by NYBG Press)
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Family
Olacaceae
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Scientific Name
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Type
Type. Peru. Loreto: Mishuyacu nr. Iquitos, fl, Klug 684 (holotype, F, photo F neg. 56732).
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Description
Species Description - Glabrous tree, 3-12(-20, -30) m tall; trunk (5-) 15-40(-80) cm diam. Branchlets subterete, striate, dark red-brown in dry specimens. Leaves ovate-elliptic to elliptic or oblong, apex abruptly acuminate for 1-1.5 cm, tip obtuse and often curved, base broadly attenuate to rounded, subinequilateral, firmly chartaceous to subcoriaceous, dark reddish to olive-brown above, paler beneath when dry, shiny on both surfaces though more obviously so above, smooth, not tuberculate or wrinkled, laticifers usually sparse, sometimes hardly visible beneath, edge a little or not revolute, 6-12(-15) x (2-)3.5-5(-6) cm, midrib somewhat prominent above, more strongly so beneath, lateral nerves 6-8 pairs curved-ascending and subparallel to each other, looping before the edge, a little raised above, more distinctly so beneath, reticulation of veins and veinlets dense, equally finely raised on both surfaces; petiole somewhat swollen and rugulose in the upper ½, slender, deeply grooved, 4-7(-10) x 1-1.5 mm. Flowers (3-)8-12(-15) per axillary fascicle on foliate or already defoliate branchlets from multibracteolate small glomerules; pedicels slender to filiform, 3-4 mm long. Calyx cup-shaped, flattish, shortly 5-lobed, 1 mm long. Petals oblong-acuminate, greenish-yellowish, hirsute only in the middle inside, 2 mm long, stamens 10; filaments 2 mm long. Ovary adnate below to a thickish 10-sulcate disk. Drupe subglobular to broadly ellipsoid, apex rounded, dark green, becoming blue-green to purplish-blackish when dry, shiny, a little wrinkled in dry specimens, 0.8-1 x 0.6-0.8 cm. Fruit-calyx suborbicular, shallowly lobed, thin-coriaceous, green in fresh, brownish in dry specimens, spreading or finally reflexed, 1.5(-2) cm diam. when expanded; peduncle slender, 1-2 cm long.
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Distribution
Amazonian Colombia, Venezuela, Peru, and Brazil; scattered in lowland rain forest on terra firme, on sandy or argillaceous soil.
Colombia South America| Amazonas Colombia South America| Vaupés Colombia South America| Venezuela South America| Amazonas Venezuela South America| Brazil South America| Acre Brazil South America| Amazonas Brazil South America| Mato Grosso Brazil South America| Pará Brazil South America| Rondônia Brazil South America|