Knema latericia Elmer, Leafl. Philipp. Bot. 5 (1913)
Latin for 'brick red'.
Knema conferta var. borneensis Warb.
Knema latericia var. albifolia J.Sinclair
Knema latericia var. latericia J.Sinclair
Knema meridionalis J.Sinclair
Myristica conferta var. borneensis (Warb.) Boerl.
Myristica ridleyi Gand.
Sub-canopy tree up to 23 m tall and 29 cm dbh. Slender tree, pyramidal in outline;
trunk without buttresses; bark (reddish) brown or chocolate, scaly or flaking in fairly
large elongate portions, not furrowed; inner bark pink or reddish, sapwood white, pale yellow,
or pale brown, sometimes with streaks. Leaves dark green with whitish green midrib above,
glaucous beneath. Flowers outside yellow brown or rusty, red inside; disc pink. Fruits yellow
brown or dark rusty.
Erect shrub or tree 2-23 m. Twigs (1-)2-4 mm diameter, sometimes +/- angular, at first
with rough, rusty, grey-brown, or yellowish brown hairs 0.5-2 mm long, glabrescent;
bark striate or fissured, cracking, later on coarsely or finely flaking, or not. Leaves membranous
or thinly coriaceous, oblong to (ob)lanceolate, 8-30 by 1.5-9 cm, apex acute(-acuminate), base
attenuate to rounded, drying brown or greenish above; lower surface glabrous, grey(-brown) or
whitish, not obviously papillate; dots absent; midrib raised above, nerves 9-25(-30) pairs,
raised; venation faint or distinct; petiole (5-)10-18 by 1.5-3.5 mm. Inflorescences: sessile,
brachyblast simple, warted or furcate, up to 10 mm long, in male 3-20-flowered, female 2-10-flowered;
flowers with pale brown to rusty hairs 0.2-0.7 mm long; perianth 3- (or 4-)lobed, red
inside. Male flowers: pedicel 2-6 mm long, bracteole caducous, median to subapical;
buds depressed obovoid or depressed globose, 3-3.5 by (3-)4-4.5 mm, cleft 2/3-4/5, lobes 0.5(-1) mm
thick; staminal disc circular, flat, +/- convex, or low-mammillate, 2 mm diameter; anthers 9-12,
shortly stiped, 0.5 mm long, horizontal, not touching; androphore 1 mm long. Femaleflowers: pedicel
to 1.5 mm long, bracteole subapical; buds much larger than in male, obovoid, 5-8 by 4-5 mm,
cleft 1/3-2/3, lobes 0.5-1 mm thick; ovary subglobose to ovoid, 2.5-3 mm long; the stigma
subsessile, +/- 2-lobed and each lobe again deeply (3-)4-6-serrate. Fruits 1-4 per infructescence,
broadly ellipsoid to obovoid, sometimes subglobose, apex rounded, (1-)1.5-3 by 1-2.5
cm, with rough hairs 1-2 mm long; dry pericarp (1-)2-3 mm thick, the fruiting pedicel
2-5 mm long. [from Flora Malesiana]
In undisturbed mixed dipterocarp, keranga, and sub-montane forests up to
1500 m altitude. Usually on hillsides and ridges, but also along rivers and
streams and swampy sites. On sandy to clay soils.
Thailand, Peninsular Malaysia, Sumatra, Borneo, Philippines (Palawan).
Borneo: Dara'ah, Kumpang, Mendarahan.