Kopsia singapurensis Ridl.

White kopsia (en)

Species

Angiosperms > Gentianales > Apocynaceae > Kopsia

Characteristics

Tree to 12 m tall, to 24 cm dbh. Branchlets glabrous, sparsely lenticellate or not, weakly angled. Leaves: petiole 5-12 mm long, glabrous; blade subcoriaceous to coriaceous, elliptic, 6.1-19.5 by 2.7-11.4 cm, 1.4-2.8 times as long as wide, apex short acuminate with blunt or sharp tip, base acute or cuneate, glabrous above and beneath, secondary veins 7-15 pairs with 4-16 mm spacing, 45-80° from midrib. Inflorescence dichasial, mostly many-flowered, 3.5-12.5 cm long with axes (0.5-)1.2-11.5 cm long and branches 1.2-1.8 mm wide, glabrous or puberulent in upper parts; peduncle (0.2-) 1-7.5 cm by 1.4-1.8 mm, glabrous or puberulent; pedicels 1-5.3 mm long, glabrous to densely puberulent, subtending bracts persistent, bracts present or absent on pedicel. Sepals ovate or oblong, 2-4 by 1.4-3.4 mm, 1-1.8 times as long as wide, apex rounded or obtuse, ciliate, glabrous to densely puberulent outside, glabrous inside. Corolla white with red ‘eye’; tube 32-36 by 1.8-2.9 mm, 1.4-2.1 times as long as lobes, 8.75-16.5 times as long as calyx, pubescent inside above, around and slightly below the stamens, throat pubescent, glabrous or rarely sparsely puberulent at top of tube outside; lobes 15-24 by 6.5-12 mm, 2-3.1 times as long as wide, elliptic or oblong, apex rounded to obtuse, ciliate, glabrous or, rarely, sparsely pubescent in upper quarter outside, glabrous or puberulent at base inside. Stamens inserted 23.5-34 mm from corolla base which is 0.8-0.9 of corolla tube length in rehydrated flowers; anthers 1.7-2.1 by 0.7-0.8 mm, 2.4-3 times as long as wide, apex 1.2-2.2 mm from corolla throat; filaments 0.2-1 mm long, pubescent. Disk 1.1-1.8 mm long, 0.6-1.1 times as long as ovaries, glabrous, oblong or awl-shaped, apex acute to acuminate. Ovaries 1.6-1.9 mm high, sparsely to densely pubescent on top; style 27-30 mm long; style head 1.1-1.2 mm long. Fruit oblique ellipsoid with either a simple angle or a spur on one side, 26-33 by 6-7 by 11.5-14 mm, angle/spur 2.5-3 mm long, glabrous.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses environmental use material medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Kopsia singapurensis unspecified picture

Distribution

Kopsia singapurensis world distribution map, present in Malaysia and Singapore

Conservation status

Kopsia singapurensis threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:79524-1
WFO ID wfo-0000221392
COL ID 6NMT5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Kopsia singapurensis