Hopea auriculata Foxw.

Species

Angiosperms > Malvales > Dipterocarpaceae > Hopea

Characteristics

Small tree. Young twigs and petioles caducous pale grey-tawny puberulent. Twig c. 2 mm ø apically, slender, horizontal; stipule scars minute. Leaf bud minute; stipule acicular, fugaceous. Leaf 5-10 by 2-5 cm, ovate-lanceolate, thinly coriaceous; base cuneate; acumen to 1.5 cm long, caudate; nervation subdryobalanoid; nerves c. 9 pairs, arched, slender but distinctly elevated beneath, obscure above, with ± prominently buff pubescent axillary domatia and short slender secondary nerves; tertiary nerves densely subscalariform, ± obscure; midrib slender but prominent beneath, obscurely depressed above; petiole 5-11 mm long, slender. Panicle to 4 cm long, slender, hardly branched; flowers unknown. Fruit pedicel to 2 mm long; 2 longer calyx lobes to 7 by 1.5 cm, spatulate, obtuse, to 5 mm broad above the to 15 by 10 mm auriculate saccate thickened base; 3 shorter lobes to 2 cm long, ovate-auriculate, similarly thickened centrally; nut to 10 by 7 mm, ovoid, apiculate, completely enclosed in calyx.
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Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
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Photosynthetic pathway c3

Environment

Rare, between 250-700 m on ridges.
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Hopea auriculata world distribution map, present in India and Malaysia

Conservation status

Hopea auriculata threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:320846-1
WFO ID wfo-0000724486
COL ID 3MJCK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Hopea auriculata