Knema rufa Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 5-20 m. Twigs slightly angular, 2-3 mm diameter, at first with rusty hairs 0.3 mm long, glabrescent; bark faintly striate, not or very faintly tending to crack or flake. Leaves thinly coriaceous, oblong to lanceolate, 15-30 by 1.5-4(-5.5) cm, base attenuate, apex acute or long acute-acuminate; drying olivaceous to blackish brown above, lower surface dull grey-brown; at both surfaces at first with dense rusty hairs 0.5 mm long, early glabrescent; dots absent; midrib raised above; nerves 15-25(-30) pairs, with lesser side nerves in between, raised above; venation distinct; petiole 10-20 by 2-3 mm. Inflorescences: peduncle up to 2 mm long, brachyblast simple, to 10 mm long; in male 2-10-flowered, female 1-3-flowered; flowers with rusty hairs 0.3 mm long; perianth 3-(or 4-)lobed, red inside (always?). Male flowers: pedicel 10-15 mm, bracteole caducous, above the middle; buds depressed obovoid, when dry ± furrowed, 6-7 by 5-6 mm, cleft c. 2/3, lobes inside with finely warty ridges, 0.5 mm thick; staminal disc circular, concave, 2-2.5 mm diameter; anthers 9-15, largely sessile, suberect, not or but little touching, the connectives extended slightly beyond the thecae; androphore tapering, 1 mm long. Female flowers not seen. Fruits l(-3) per infructescence, ellipsoid, 2.5 by 1.5 cm, with rusty ± glossy hairs 3 mm long; dry pericarp 2(-3) mm thick; fruiting pedicel 10-20 mm long.
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Growth form tree
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Foliage retention evergreen
Sexuality dioecy
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Mature height (meter) 5.0 - 20.0
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Environment

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Hardiness (USDA) 10-12

Usage

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Edible -
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Cultivation

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Distribution

Knema rufa world distribution map, present in Brunei Darussalam and Malaysia

Conservation status

Knema rufa threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:585924-1
WFO ID wfo-0000356759
COL ID 6NLXV
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema rufa Myristica rufa