Knema pubiflora W.j.de Wilde

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 10-40 m. Twigs 1.5-3 mm diameter, at first with dense rusty scurfy hairs 0.1-0.2 mm long, glabrescent; bark coarsely striate, not tending to crack or flake. Leaves chartaceous or thinly coriaceous, (ovate-)oblong, 4-15 by 1.5-7 cm, base rounded to subattenuate, apex subacute to short acute-acuminate; drying dark brown above; lower surface grey-brown, finely papillate, at first with mixed sessile and dendroid hairs 0.2-0.5 mm long, persistent or late glabrescent; dots present; midrib slender, ± raised above; nerves 7-14 pairs, slightly raised above; venation distinct; petiole 5-10 by 0.7-2 mm, late glabrescent. Inflorescences: peduncle to 2 mm long, brachyblast simple, warted, or ± forked, to 4 mm diameter; in male 5-20-flowered, female 3-10-flowered; flowers with dark rusty hairs 0.1 mm long; perianth 3-(or 4-)lobed, inside densely stellate-hairy, colour not known. Male flowers: pedicel 10-15 mm long, bracteole persistent or more or less late caducous, about median; buds (depressed) globose, 2-2.5 by 2.5-3 mm, cleft 3/4-4/5, lobes 0.5(-0.7) mm thick; staminal disc convex, circular, 1.2-1.5 mm diameter; anthers 10-13, just sessile, horizontal, 0.2-0.4 mm long, not touching; androphore 0.3-0.6 mm long. Female flowers: pedicel 7-10 mm long, bracteole ± median; buds obovoid or pear-shaped, 3-4 by 3-4 mm, cleft 1/2-2/3, lobes 0.5-1 mm thick; ovary subglobose-ovoid, 1.5 mm diameter; stigma sessile, indistinctly 2-lobed and each lobe again deeply (3-or) 4-or 5-lobulate. Fruits 1-5 per infructescence, subglobose or short ellipsoid, often ± flattened and ridged at one side towards the base, 1.5-2.5 by 1.5-2.3 cm, with rusty hairs 0.1-0.2 mm long; dry pericarp 1.5 mm thick; fruiting pedicel 10-14 mm long.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0 - 40.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Knema pubiflora world distribution map, present in Indonesia and Malaysia

Conservation status

Knema pubiflora threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:585918-1
WFO ID wfo-0000356819
COL ID 6NLY6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema pubiflora