Knema kinabaluensis J.Sinclair

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 5-25 m. Twigs sometimes ± blunt-triangular, 1.5-2.5 mm in diameter, drying blackish brown, at first with yellowish rusty hairs 0.1 mm long, glabrescent; bark striate or not, not cracking or flaking. Leaves (rigidly) coriaceous, (oblong-)lanceolate, 9-21 by 2.5-5 cm, base (rounded or) attenuate, apex acute-acuminate; dark brown above; lower surface grey-glaucous, at first with fairly dense mixed stellate and scale-like hairs 0.1 mm long or less, early glabrescent, leaving hair scars; dots absent; the midrib raised above; nerves 12-25 pairs, raised above; venation ± coarse (aréoles 0.5 mm in diameter), very distinct above; petiole 10-20 by 2-3 mm. Inflorescences: sessile, brachyblast simple or bifid, up to 15 mm long; in male 4-10-flowered, in female 1-4-flowered; flowers with mealy, rusty hairs 0.1-0.2 mm long; perianth 3-lobed, pink or reddish inside. Male flowers: pedicel 3-6 mm long, bracteole caducous, about median; buds sub-globose, 2.5-3.5 mm in diameter, cleft (3/4-)4/5, lobes 0.5-1 mm thick; staminal disc flat or slightly convex, circular, pink, 1.5(-2) mm in diameter; anthers 7 or 8(-10?), just sessile, almost horizontal to oblique, 0.7 mm long, with broad connective, the thecae opening downwards, spaced; androphore 1 mm long. Female flowers: pedicel 3-4 mm long, bracteole caducous, about median; buds obovoid-oblong, 5 mm long, cleft about halfway; ovary ovoid, 2 mm long; stigma ± sessile, 2-lobed, lobes not clearly lobulate, 1 mm long. Fruits 1 or 2 per infructescence, ovoid or oblong, base rounded, apex acute or short-apiculate, ± ridged along the line of suture, 2-4.5 by 1.5-3 cm, with yellowish brown to rusty hairs 0.1-0.2 mm long; dry pericarp 2-4 mm thick; fruiting pedicel 3-10 mm long.
Life form -
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0 - 25.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

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 kinabaluensis world distribution map, present in Malaysia

Conservation status

Knema kinabaluensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:585873-1
WFO ID wfo-0000356967
COL ID 6NLWV
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema kinabaluensis