Knema furfuracea Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 8-25 m. Twigs sometimes faintly angular, 4-8(-10) mm in diameter, at first with dense furfuraceous hairs 1-1.5 mm long, soon rubbed off, glabrescent; bark striate or not, lower down brown to blackish, conspicuously longitudinally cracking and flaking. Leaves coriaceous, oblong or (ob)lanceolate, (10-)25-50 by (3—)5—21 cm, apex acute (-acuminate), sometimes rather blunt, base narrowly to broadly cordate; drying (greenish) brown, glossy or dull above, lower surface early glabrescent, finely papillate; dots absent; midrib stout, raised above; nerves 20-40(-50) pairs, raised above; venation raised or sunken above; petiole 5-25 by 4-8 mm, late glabrescent. Inflorescences: sessile, brachyblast simple or coarsely warted or furcate, up to 15 mm in diameter, in male 3-30-flowered, in female up to 20-flowered; flowers with dense furfuraceous hairs 0.5-1 mm long, subpersistent or glabrescent, perianth 3-or 4-lobed, red inside. Male flowers: pedicel 3-15 mm long, bracteole subpersistent or caducous, about median, sometimes towards the apex; buds depressed obovoid or depressed globose, somewhat triangular, 4-5 by (4-)4.5-5 mm, cleft 3/4-4/5, lobes 1-1.5 mm thick; staminal disc circular or faintly triangular, flat or slightly concave, 2-2.5 mm in diameter; anthers 10-14, just sessile, oblique or nearly horizontal, 0.5-0.7 mm, not touching, androphore 1-2 mm long, striate. Female flowers: pedicel 1.5-2 mm long, bracteole median to apical; buds ellipsoid or obovoid, 6-8 by 5-7 mm, cleft c. 2/3, lobes 1.5 mm thick; ovary ovoid or subglobose, 2.5-4 mm long; stigma subsessile, ± flat, 2-lobed, each lobe with 5-9 lobe-lets or serrations. Fruits 1-4 per infructescence, ovoid, subglobose, or obovoid, 2.5-3.5 by 2-2.8 cm, with rusty hairs 1-2 mm long; dry pericarp 3-5 mm thick; fruiting pedicel 2-5 mm long.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
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Mature height (meter) 8.0 - 25.0
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Photosynthetic pathway c3

Environment

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Hardiness (USDA) 9-12

Usage

Uses material medicinal
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Cultivation

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Distribution

Knema furfuracea world distribution map, present in Brunei Darussalam, China, Indonesia, Iceland, Cambodia, Myanmar, Malaysia, Singapore, Thailand, and Viet Nam

Conservation status

Knema furfuracea threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:585857-1
WFO ID wfo-0001085240
COL ID 6NM8W
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Palala furfuracea Myristica furfuracea Knema furfuracea Myristica knema Myristica furfuracea var. major