Heisteria insculpta Sleumer

  • Authority

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

  • Family

    Olacaceae

  • Scientific Name

    Heisteria insculpta Sleumer

  • Type

    Type. Brazil. Amazonas: Rio  Curicuiary (=Curicuriari), upland, fr, C. Lakó l(=Huebner 141) (holotype, B, photo B 143L/27). Matched by Alencar 539 and Nascimento 713 from base of Serra Curicuriari.

  • Synonyms

    Heisteria sleumeri Standl., Heisteria cauliflora Sm.

  • Description

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    Species Description - Glabrous shrub, treelet, or tree, 2-7 m tall; trunk to 20 cm diam. Branchlets stout, subterete or slightly angular, finely rugulose. Leaves elliptic-oblong, apex acuminate, not rarely subcaudately so for 2.5-3.5 cm, base cuneate, (sub)coriaceous, firm, green-olivaceous and a little shiny above, more yellowish and dull beneath in the dry state, edge slightly revolute, densely wrinkled and tuberculate on both surfaces, 20-27(-35) x 5-9(-10) cm, midrib impressed above, much prominent beneath, lateral nerves 12-15 pairs rather straight in a wide angle from the midrib and subparallel to each other, markedly inarching and forming there a distinct intramarginal nerve, more or less deeply impressed above, raised beneath, a few intercalary lateral nerves shorter and less obvious, the transverse or oblique veins slightly impressed above, hardly or not raised beneath; petiole stout, rugulose and wrinkled all length, (10-) 12—20 x 2-3 mm. Rowers subsessile from a globular cushion formed by numerous bracts, only known in bud stage. Drupe ellipsoid-oblongoid, whitish or grayish, smooth, ca. 1.7 x 0.9 cm. Fruit-calyx fleshy, purple-red, 5-lobed to almost the base, when expanded (4-)4.5-6(-7) cm diam., lobes narrowly ovate, obtuse to subacute, erect, including the drupe.

  • Distribution

    Amazonian Colombia (Vaupés), Venezuela (Terr. Fed. Amazonas), Peru (Loreto), and Brazil (W part of Amazonas); in lowland forest on terra firme, and white sand, scattered, to ca. 200 m alt.

    Colombia South America| Vaupés Colombia South America| Venezuela South America| Amazonas Venezuela South America| Peru South America| Loreto Peru South America| Brazil South America| Amazonas Brazil South America|