Knema lamellaria W.j.de Wilde

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 10-20 m. Twigs 7-12 mm diameter, at first with coarse rusty hairs 1-2 mm long, glabrescent; bark pale-or grey-brown, glabrous, not or hardly striate, coarsely flaking. Leaves chartaceous or coriaceous, oblong(-lanceolate), 45-65 by 13-24 cm, apex bluntish to acute-acuminate, base broadly rounded or cordate, with the basal nerves ± crowded, when immature with dense hairs 2 mm long, early glabrescent, dull greenish to brown above; lower surface glabrous, faintly papillate or not; dots absent; midrib stout, raised above; nerves 21-30 pairs, raised; venation distinct; petiole at first with dense rusty hairs 1-2 mm long, late glabrescent, 15-20 by 8-10 mm. Inflorescences: sessile, brachy-blast simple or warted, 10-15 mm diameter, in male (5-) 10-25-flowered, female 2-6-flowered; flowers with dense ± woolly hairs 0.8-1 mm long, for the larger part early glabrescent or easily rubbed off; perianth 3-lobed, inside at base ridged or coarsely striate, reddish (?). Male flowers: pedicel 16-21 mm long, bracteole subpersistent, about median; buds ± depressed globose-obovoid, 7 by 8 mm, cleft 3/4-4/5, lobes 0.5-1 mm thick; staminal disc circular, flat, 3.5 mm diameter; anthers c. 20, subsessile or just stiped, nearly horizontal, 0.6 mm, not touching; the androphore tapering, 1.5 mm long, striate. Female flowers not seen. Fruits 1-3 per infructescence, obovoid or oblong, 4-4.5 by 2-2.6 cm, with dense coarsely woolly brown hairs 3-5 mm long, caducous or easily rubbed off; dry pericarp 3 mm thick; fruiting pedicel 18-25 mm long, with the scar of the bracteole at or somewhat above halfway.
Life form -
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0 - 20.0
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) 9-12

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 lamellaria world distribution map, present in Malaysia

Conservation status

Knema lamellaria threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:585877-1
WFO ID wfo-0000356803
COL ID 6NM96
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema lamellaria