Ryparosa calotricha Mildbr.

Species

Angiosperms > Malpighiales > Achariaceae > Ryparosa

Characteristics

Tree 8-20 m; young branchlets fulvous-hirsute or-tomentose, the old ones entirely glabrous, terete, covered with a thin, greyish peeling bark; lenticels sparse, orbicular-elliptic; bark grey or brownish-grey. Leaves elliptic-oblong, shortly obtusely or subacutely acuminate, cuneate at the base, rigidly chartaceous, upper surface olivaceous when dry, glabrous, rather dull, lower surface densely covered with a rufous, soft tomentum of ± spreading hairs specially on midrib, nerves, and veins, 13-20(-25) by (5-)6-9(-10) cm; midrib flat or somewhat immersed and tomentose in the lower half above, very prominent beneath, nerves (6-)7-9(-10) pairs, curved-ascending and ex-current along the margin, little or not prominent above, manifestly prominent beneath, veins ± transverse and prominent beneath, reticulations slightly prominent on both sides; petiole rufous-tomentose, 1½-3(-4) cm, rather stout, 1.5-2 mm diam. ♂ Racemes many-flowered, up to 11 cm, fulvous-hirsute; pedicels 3-4 mm; Female racemes similar, but mostly shorter, their rhachis stouter and the flowers less densely arranged; pedicels 4-5 mm. ♂ Flowers only known in bud; staminal column glabrous. ♀ Inflorescences not yet known. Very young fruits broadly obovoid, fulvous-tomentose, with short filiform staminodes (without anthers).
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Growth form tree
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Sexuality dioecy
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Mature height (meter) 8.0 - 20.0
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Environment

In primary forests, at very low altitude.
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Ryparosa calotricha world distribution map, present in Malaysia and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:365871-1
WFO ID wfo-0000899602
COL ID 78YWW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ryparosa calotricha