Shorea lunduensis P.S.Ashton

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Large tree. Twigs and buds shortly evenly fugaceous buff pubescent; leaves glabrous. Twig c. 3 by 2 mm ø apically, at first compressed, somewhat lustrous; stipule scars c. 3 mm long, pale, prominent, ascending. Bud to 5 by 3 mm, ovoid, acute. Stipules unknown. Leaves 14-24 by 6-15 cm, large, +-broadly ovate to elliptic; base broadly cuneate to subcordate; acumen to 1 cm long; nerves 11-15 pairs, obscure above, prominent beneath, at 40°-55° to the midrib; tertiary nerves sinuate, densely scalariform; midrib hardly elevated above, prominent beneath; petiole 2-3.5 cm long, stout. Panicle to 12 cm long, terminal or axillary, subterete, densely shortly tufted buff pubescent, singly or doubly branched, branchlets to 3 cm long; bracteoles to 4 by 2 mm, ovate, densely shortly pubescent, fugaceous. Flowers secund; bud to 10 by 3 mm, narrowly ovoid, with the calyx somewhat spreading. Calyx sericeous in parts exposed in bud; sepals narrowly ovate, subacute, the inner 2 smaller, relatively broader, than the outer 3. Petals cream, linear, densely pubescent on parts exposed in bud. Stamens 47-52; filaments compressed, tapering, glabrous; anthers oblong, tapering distally, glabrous; appendage to connective exceeding length of anther, densely setose. Ovary and stylopodium pyriform, densely pubescent, crowned by a glabrous columnar style. Mature fruit unknown; sparsely shortly pubescent at first. Calyx lobes unequal, 3 long and two short, spatulate, subacute. Nut crowned by a short, c. 1 mm long, apiculus.
Life form -
Growth form tree
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Local, lower slopes of granodiorite mountains to 650 m, and along porphyry dikes in sedimentary areas.
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

Shorea lunduensis world distribution map, present in Malaysia

Conservation status

Shorea lunduensis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:321339-1
WFO ID wfo-0000500596
COL ID 4X4YB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Shorea lunduensis