Kopsia sumatrana D.J.Middleton

Species

Angiosperms > Gentianales > Apocynaceae > Kopsia

Characteristics

Tree reported to 2 m tall, 2 cm dbh. Branchlets densely puberulent becoming glabrescent with age, not lenticellate, weakly angled. Leaves: petiole 4-7.5 mm long, densely pubescent; blade papery, elliptic, oblong or ovate, 11.5-26 by 2.7-5.5 cm, 3.5-5.4 times as long as wide, apex acuminate with blunt tip, base obtuse to cuneate, puberulent on midrib only or sparsely puberulent on midrib and major veins above, puberulent on midrib and major veins beneath, secondary veins 16-19 pairs with 3-13 mm spacing, c. 60° from midrib. Inflorescence cincinnate, 5-7.2 cm long with axes 3.4-5.5 cm long and branches 1.4-1.7 mm wide, densely puberulent; peduncle 0-5 cm by 2.6 mm, puberulent; pedicels 1-2 mm long, densely puberulent, subtending bracts persistent, bracts present on pedicel. Sepals ovate, c. 1.4 by 1.4 mm, c. 1 times as long as wide, apex rounded, ciliate, densely puberulent outside, glabrous inside. Corolla yellowish; tube c. 19.5 mm long in dried flowers, c. 1 mm wide, c. 1.4 times as long as lobes, c. 13.9 times as long as calyx, pubescent in upper part of tube above, around and slightly below the stamens inside, throat glabrous, sparsely puberulent at top of tube outside; lobes c. 14 by 1.7 mm, c. 8.2 times as long as wide, linear, obtuse, not ciliate, glabrous outside and inside. Stamens inserted c. 19.5 mm from corolla base which is c. 0.8 of corolla tube length in rehydrated flowers; anthers c. 2.5 by 0.5 mm, c. 5 times as long as wide, apex c. 1.9 mm from corolla throat; filaments c. 0.7 mm long, pubescent. Disk 0.9 mm long, c. 0.7 times as long as ovaries, glabrous, awl-shaped or narrowly deltoid, apex acute to obtuse. Ovaries c. 1.3 mm high, glabrous or sparsely pubescent on top; style c. 18 mm long; style head c. 0.8 mm long.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0
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

Kopsia sumatrana world distribution map, present in Indonesia

Conservation status

Kopsia sumatrana threat status: Critically Endangered

Identifiers

LSID urn:lsid:ipni.org:names:60436663-2
WFO ID wfo-0000453572
COL ID 3RD3H
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Kopsia sumatrana