Wrightia dubia Spreng.

Species

Angiosperms > Gentianales > Apocynaceae > Wrightia

Characteristics

Shrub or small tree to 3 m tall. Branchlets glabrous or sparsely puberulent, becoming glabrous and lenticellate. Leaves: petiole 2-11 mm long; blade papery to subcoriaceous, elliptic, oblong or obovate, 3.6-26.5 by 1.8-9.8 cm, 2.1-5.2 times as long as wide, apex acuminate to subcaudate, base cuneate to rounded, puberulent beneath, only on midrib and secondary veins or, rarely, glabrous and then both surfaces papillate, 6-14 pairs of secondary veins, ascending, tertiary venation reticulate. Inflorescence 2.5-4.5 cm long; sparsely puberulent or glabrous; pedicels 4-5.5 mm long, robust. Flowers inodorous. Sepals ovate, 1.3-3 by 1.3-2 mm, 1.1-1.3 times as long as wide, apex acute to obtuse; sparsely puberulent or glabrous, ciliate; colleters wide and large. Corolla orange, pink or reddish; infundibuliform; tube 6-15.5 mm long, 3.8-4.7 times as long as sepals, 0.5-0.6 times as long as lobes, glabrous or, rarely, pubescent-papillose at top of tube outside, glabrous inside; lobes 10-28 by 6-9 mm, 1.9-3.2 times as long as wide ovate, apex acuminate to obtuse, pubescent-papillose on lobes outside and slightly so inside; antipetalous corona lobes adnate to the corolla, 1.5-3.7 mm long, 1.7-2.5 times as long as alternipetalous lobes, glabrous; alternipetalous corona lobes 0.6-2.2 mm long; alternating corona lobes lacking. Stamens inserted at 0.3-0.4 of tube length from base, completely included in the tube; subsessile; anthers 4.9-5.6 by 1-1.2 mm, pubescent outside. Gynoecium of 2 free carpels united into a common style, ovaries 1.6-2.5 mm long, glabrous; style and style head 3-4.7 mm long. Fruit of paired follicles; 13-30 cm by 3.5-6 mm; glabrous; not lenticellate. Seeds linear; 12.5-25.4 by 1.2-2.5 mm; coma 2.6-5.5 cm long.
Life form perennial
Growth form shrub
Growth support free-standing
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

Bamboo forests, evergreen forests, savannahs; on sandy soil, limestone, by stream or along roadsides.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses dye medicinal
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°) -
Size -
Vigor -
Productivity -

Images

Wrightia dubia unspecified picture

Distribution

Wrightia dubia world distribution map, present in Cambodia, Lao People's Democratic Republic, Myanmar, Malaysia, Philippines, Singapore, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:82847-1
WFO ID wfo-0000334526
COL ID 5C3NM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Scleranthera cambodiensis Strophanthus jackianus Scleranthera dubia Wrightia cambodiensis Wrightia dubia Wrightia kontumensis Wrightia rubriflora Cameraria dubia Wrightia dubia var. membranifolia