Heisteria media S.F.Blake

  • Authority

    Sleumer, Hermann O. 1984. Olacaceae. Fl. Neotrop. Monogr. 38: 1-159. (Published by NYBG Press)

  • Family

    Olacaceae

  • Scientific Name

    Heisteria media S.F.Blake

  • Type

    Type. Honduras. Copán: Los Ranchos, fr immat, Pittier 8448 (holotype, US; isotypes, GH, MICH).

  • Synonyms

    Heisteria chippiana Standl., Heisteria macrophylla Oerst.

  • Description

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    Species Description - Tree, (6-)12-20(-25) m tall; trunk 10-30(-75) cm diam.; bark brown mottled with gray or white. Branchlets reddish-brownish, rugulose, striate lengthwise. Leaves elliptic- to lanceolate-oblong, rarely subovately so, or even elliptic, apex short-acuminate, tip acutish by the prominent midrib, base more or less broadly cuneate to attenuate, subinequilateral, firmly subcoriaceous, flexible, greenish-olivaceous and slightly shiny above, densely tuberculate on both surfaces, but not properly wrinkled in dry specimens, laticifers inconspicuous, edge somewhat revolute, variable in size, (7-)10-15(-18) x (3-)4.5-7(-9) cm, midrib plane or shallowly impressed above, prominent beneath, lateral nerves 6-8 pairs rather straight curved-ascending, not properly looping, very slightly immersed or inconspicuous above, a little raised beneath, reticulation of veins and veinlets hardly visible beneath; petiole rugulose, 8-15 x 1.5-2 mm. Flowers numerous from multi-bracteolate globose axillary cushions (2-3 mm diam.); pedicels stoutish, (2-)3(-4) mm long. Calyx cup-shaped, 5-dentate halfway, ca. 1 mm long, lobes gland-apiculate. Petals lanceolate, acutish, white, hairy in the upper ½ inside, 2.5 mm long. Drupe subovoid-globose, apiculate, creamy white, 1.3-1.5 cm diam. Fruit-calyx thick-membranaceous to subcoriaceous, lobed about halfway, expanded (3-)3.5(-4) cm diam., red to purplish, suberect or spreading, more or less enveloping the drupe in its lower 2/3, lobes obtusely ovate-deltoid; peduncle slender, ca. 1 cm long.

  • Distribution

    Mexico (Chiapas), Guatemala, Belize, Honduras (Atlántida, Copán), Costa Rica (Heredia), and probably in Nicaragua; in wet forest, from lowland to ca. 800 m alt. Wood cream to dark brown, hard.

    Mexico North America| Guatemala Central America| Alta Verapaz Guatemala Central America| Izabal Guatemala Central America| Petén Guatemala Central America| Belize Central America| Cayo Belize Central America| Stann Creek Belize Central America| Toledo Belize Central America| Honduras Central America| Atlántida Honduras Central America| Costa Rica South America| Heredia Costa Rica Central America|