Knema laurina (Blume) Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Shrub or tree 3-20(-30) m. Twigs 2-5 mm diameter, at first with dense, rough, rusty hairs 0.5-2 mm long, late glabrescent; bark smooth or striate, not tending to crack or flake. Leaves membranous or coriaceous, obovate-elliptic to oblong-lanceolate, 9-30 by 2.5-10.5 cm, base attenuate, rounded, obtuse, rarely subcordate, apex subobtuse to acute-acuminate; drying greenish to brown above, lower surface finely papillate, with persistent ± equally long-stalked dendroid hairs 1 mm long (var. laurina), or hairs of mixed sizes, sessile and stalked dendroid (var. heteropilis); dots absent; midrib ± raised above, late glabrescent; nerves 12-28 pairs, flat or sunken above; venation raised, clearly visible above; petiole late glabrescent, 10-20 by 1.5-3.5 mm. Inflorescences: sessile or pedunculate up to 0.5 mm, brachyblast simple or 2-fid, to 7 mm long, in male 5-20-flowered, female 3-8-flowered; flowers with dense rusty hairs 0.5-1.5(-2) mm long; perianth 3-lobed, pink or red inside. Male flowers: pedicel (0.5-)2-5 mm long, bracteole subpersistent or caduous, (nearly) apical; buds obovoid(-oblong), 3-5(-6) by 2-4 mm, cleft c. 1/2, lobes 0.5-1 mm thick; staminal disc circular, flat or slightly concave, 1-1.5 mm diameter; anthers 6-9, sessile, (sub)erect, 0.3-1 mm long, not or little touching; androphore somewhat tapering, 1.5-2.5 mm long, rarely minutely pubescent at the base. Female flowers: pedicel to 1 mm long, bracteole apical; buds ovoid(-oblong), 4-6 by 2.5-3.5 mm, cleft c. 1/2, lobes 0.5(-l) mm thick; ovary subglobose, (1.5-)2-2.5 mm diameter; style slender, including 2-lobed stigma (1-) 1.5-2 mm long, each lobe ± erect, 4-lobulate. Fruits 1-5 per infructescence, ovoid or ellipsoid(-oblong), apex obtuse to subacute, 1.5—2.5(—3) by 1-2 cm, with rusty hairs 1-3 mm long; dry pericarp 1.5-2 mm thick; fruiting pedicel l(-5) mm long.
More
A tree. It grows 5-20 m tall. The leaves are narrowly oval or sword shaped with rusty hairs underneath. The fruit are about 2.5 cm long. The seeds have an aril ror fleshy layer around them.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0 - 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Primary and degraded rain forest; mixed dipterocarp forest; growing on a variety of soils: sand, sandstone, sandy ridges, granitic sand, basalt-derived soils, black soil, yellow clayey soil, and shales; from sea level to 1,000 metres.
More
A tropical plant. It grows in forests on a range of soils. It grows up to 1,000 m above sea level.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

The ripe fruit are eaten raw or cooked.
Uses food material wood
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seeds,
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Knema laurina unspecified picture

Distribution

Knema laurina world distribution map, present in Brunei Darussalam, Indonesia, Myanmar, Malaysia, Nigeria, Singapore, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:585881-1
WFO ID wfo-0000356809
COL ID 6NLX3
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Palala cantleyi Palala laurina Myristica cantleyi Myristica laurina Knema laurina Knema cantleyi

Lower taxons

Knema laurina var. heteropilis