Shorea virescens Parijs

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Twig, panicle, bud, stipule, petiole, midrib (both surfaces) and nervation beneath shortly densely persistently grey-buff tomentose. Twig 2.5-4 by 1.5-3 mm, compressed, becoming finely cracked, stipule scars c. 2.5 mm long, glabrous, horizontal. Bud 2-3 by 4 mm, globose to stoutly ovoid, obtuse. Stipule to 25 by 3-4 mm, linear, acute. Leaves alternate, 8-15 by 4-8 cm, obovate; base subcordate; acumen to 7.5 mm long, nerves 20-26 pairs, at 90° at base, c. 40°-55° along the midrib; tertiary nerves very slender, scalariform, dense at 90° to the nerves; petiole 1.5-2 cm long. Panicle to 10 cm long, terminal or axillary +-compressed, slender, straight; unbranched or singly branched; bracteoles to 8 mm long, narrowly lanceolate, densely pubescent outside, puberulent within, caducous. Flower bud to 6 by 3 mm, elllipsoid, obtuse. Calyx densely puberulent outside, glabrescent within; 3 outer lobes ovate, subacute; 2 inner lobes shorter, smaller, thinner, ovate-acuminate. Petals narrowly lanceolate, densely pubescent on parts exposed in bud. Stamens 15, of 2 lengths; filaments broad at base, tapering and filiform distally; anthers narrowly oblong; appendage to connective about twice length of anther, exceeding style apex. Ovary ovoid, minutely puberulent; style filiform, as long as ovary, distinctly trifid. Fruit calyx shortly puberulent or glabrous when mature; 3 longer lobes to 8 by 1.3 cm, spatulate, ± obtuse, to 6 mm broad above the to 8 by 7 mm elliptic somewhat thickened saccate base; 2 shorter lobes to 5.5 by 0.5 cm, linear, similar at base. Nut to 1.3 by 1 cm, glabrescent; style remnant to 3 mm long, tapering.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
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Photosynthetic pathway c3

Environment

Widespread but very local, flat and undulating land and low hills, to 500 m.
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Hardiness (USDA) 9-12

Usage

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Edible -
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Cultivation

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Distribution

Shorea virescens world distribution map, present in Brunei Darussalam, Philippines, and Russian Federation

Identifiers

LSID urn:lsid:ipni.org:names:321482-1
WFO ID wfo-0000499289
COL ID 6YLLX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea virescens