Shorea javanica Koord. & Valeton

White meranti (en)

Species

Angiosperms > Malvales > Dipterocarpaceae > Shorea

Characteristics

Large tree. Twig, leaf buds, stipule outside, panicles, calyx, parts of petals exposed in bud, ovary and nut persistently evenly tawny brown pubescent; becoming sparse, scabrous, on fruit calyx, stipule within, petiole and leaf nervation beneath. Twig 2-3 mm ø apically, terete, becoming smooth. Leaf bud to 7 by 4 mm, ovoid-falcate, acute. Leaves (6.5-)10-15 by (3.5-)4-8 cm, elliptic-oblong to ovate, occasionally obovate, +-thinly coriaceous; base obtuse to shallowly caudate; acumen to 7 mm long, short, ± abrupt; nerves 19-25 pairs, very slender but +-prominent beneath, applanate above, arched, at 65°-70°; tertiary nerves densely scalariform, very slender but evident and slightly elevated beneath; midrib slender but prominent beneath, obscure and depressed above; petiole 16-22 mm long, slender. Panicle to 14 cm long, slender, terminal or axillary, lax; singly branched, branchlets to 4 cm long, bearing to 3 secund flowers. Flower buds to 10 by 5 mm, ellipsoid; sepals narrowly ovoid, acuminate, somewhat unequal; petals white; stamens 15, shorter than style at anthesis; filaments very long and slender, with scabrous apices, 2.5-3 x length of anthers. Ovary small, ovoid, puberulent, tapering imperceptibly into a tapering puberulent stylopodium twice its length and long filiform glabrous style thrice its length. Fruit pedicel c. 2 mm long and Ø, base of fruit obtuse. 3 longer calyx lobes to 18 by 1.5 cm, spatulate, obtuse, c. 1 mm broad above the 11 by 10 mm elliptic saccate thickened base; 2 shorter lobes to 7 by 0.5 cm, lorate, subacute, similar at base. Nut to 14 by 10 mm, ovoid, prominently apiculate.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 35.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Primary and secondary forest on dry or periodically inundated places on flat land or on slopes at elevations up to 300 metres, occasionally to 500 metres.
More
Scattered in north, becoming gregarious in many areas in south Sumatra, in primary and secondary lowland forests.
Light 7-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-12

Usage

Uses. A once valuable producer of clear crystalline resin as well as timber; grown in plantations in S. Sumatra.
Uses coffee substitute medicinal timber wood
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 22 - 28
Size -
Vigor -
Productivity -

Distribution

Shorea javanica world distribution map, present in Indonesia

Conservation status

Shorea javanica threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:321313-1
WFO ID wfo-0000500566
COL ID 4X4XJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Shorea vandekoppeli Shorea javanica