Alstonia rupestris Kerr

Species

Angiosperms > Gentianales > Apocynaceae > Alstonia

Characteristics

Shrubs erect, to 4 m tall, glabrous. Bark gray-brown; branches lenticellate. Leaves in whorls of 3-5, sessile; blade very narrowly elliptic or sublinear, 4.5-10 X 0.5-1.5 cm, thick papery, glabrous, apex acuminate; lateral veins 45-80 pairs, nearly at a right angle to midvein. Cymes crowded. Pedicel ca. 3 mm. Corolla white, tube 7-8 mm; lobes oblong, 2.5-3 mm, overlapping to left. Disc lobes as long as ovary. Ovaries distinct. Follicles red-brown, linear, 7-10 cm. Seeds with brown cilia. Fl. May-Oct.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

On limestone in open forests at elevations from 500-1,800 metres.
Light -
Soil humidity -
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses medicinal 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°) -
Size -
Vigor -
Productivity -

Distribution

Alstonia rupestris world distribution map, present in China, Lao People's Democratic Republic, and Thailand

Conservation status

Alstonia rupestris threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:76585-1
WFO ID wfo-0000952921
COL ID C8VB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Alstonia rupestris Blaberopus rupester