Knema cinerea Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 4-15 m. Twigs 1-3.5 mm in diameter, at first with hairs 0.1 mm long or less, glabrescent; bark striate, not tending to crack or flake. Leaves membranous or chartaceous, elliptic to oblong-lanceolate, 8-25 by 2.5-9 cm., apex acute-acuminate, base rounded to attenuate; upper surface olivaceous, lower surface greyish, with persistent dense or sparse greyish scale-like hairs 0.1 mm long or less (lens!); dots absent; midrib flat to faintly raised above; nerves 10-25 pairs, raised above; venation distinct above; petiole 8-20 by 1-2.5 mm. Inflorescences: peduncle up to 3(-5) mm, brachyblast simple or ± warted, to 5 mm long; in male 5-10-flowered, in female 1-5-flowered; flowers with persistent greyish to rusty hairs 0.1 mm long or less; perianth 3-lobed, pink inside. Male flowers: pedicel 6-11 mm long, bracteole caducous, at or somewhat above halfway; buds globose, 3.5-4.5 mm in diameter, cleft nearly to the base, lobes 0.7-1.2 mm thick; staminal disc flat or nearly so, circular, 1.8-2.5 mm in diameter; anthers 9-14, just to distinctly stiped, horizontal, 0.3-0.5 mm, spaced; androphore 0.5-1.5 mm long. Female flowers: pedicel 3-13 mm long, bracteole caducous, submedian; buds ovoid-ellipsoid to oblong, 4-6 mm long, cleft just over halfway; ovary ovoid, 2 by 1.5-2 mm; style 0.5 mm long, stigma suberect, 2-lobed and each lobe again (1-or) 2-or 3-lobulate. Fruits 1 or 2 per infructescence, subglobose to ± obovoid, apex obtuse, faintly pointed by style-remnant, 1.2-1.8 by 1-1.6 cm, with persistent hairs 0.1-0.2(-0.3) mm long; dry pericarp 1 mm thick; fruiting pedicel 3-13 mm long.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.0 - 15.0
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Flower color
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
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Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use Intestinal diseases (bark), Dysentery (fruit), Astringents (plant exudate), Dysentery (plant exudate), Antineoplastic agents (whole plant excluding root)
Human toxicity -
Animal toxicity -

Cultivation

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Distribution

Knema cinerea world distribution map, present in Brunei Darussalam, Indonesia, Philippines, Singapore, and Uruguay

Identifiers

LSID urn:lsid:ipni.org:names:585847-1
WFO ID wfo-0001085251
COL ID 6NM7D
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Myristica uviformis Palala cinerea Palala peltata Myristica cinerea Knema cinerea Knema peltata Myristica peltata