Rauvolfia amsoniifolia A.Dc.

Species

Angiosperms > Gentianales > Apocynaceae > Rauvolfia

Characteristics

Shrub or tree 1.5-7(-20) m high. Branches sparsely lenticellate; branchlets glabrous. Leaves in whorls of 3 or 4; petiole 0.5-1.5 cm long, glabrous; blade subcoriaceous, elliptic, 5.5-12.5(-21.5) by 1-3.6 cm, 3-9.7 times as long as wide, apex acute, rarely acuminate, base cuneate to slightly decurrent, glabrous above and beneath; secondary veins (14-)21-27(-31) pairs, 0.1-0.3(-0.6) mm spaced, more or less straight, 45-65° from midrib. Inflorescence 3-9.5 cm long, in whorls of 2-4(-6), congested, 32-more than 35-flowered; peduncle 2.3-5 cm long, glabrous; pedicels 1-2.5(-5) mm long, glabrous. Sepals broadly ovate, 1.1-1.3 by 0.9-1.4 mm, 0.9-1.3 times as long as wide, apex obtuse to rounded. Corolla glabrous outside, villose from just around the mouth downwards for 1-1.2 mm, 3 mm long in the mature bud, and forming a subglobose head of 1 by 1.5 mm, usually indistinct from the tube; tube cylindrical, 2-2.4 mm long, 1.6-1.9 times as long as calyx, 1.4-1.8 times as long as lobes; lobes broadly and obliquely ovate, 1.1-1.5 by 1.2-1.5 mm, 0.9-1.1 times as long as wide, apex rounded, sometimes slightly retuse. Stamens inserted at 1.9-2.1 mm from base, c. 0.9 of the length of the corolla tube; filaments 0.5 mm long; anthers 1-1.1 by 0.2-0.3 mm, 3.3-5 times as long as wide. Disk cup-shaped, 0.7-1 mm high, 0.7-0.8 times as long as ovary, serrate. Gynoecium mostly glabrous; ovary syncarpous, c. 1 mm long; style 1-1.3 mm long; style head 0.6-0.8 mm long, puberulous. Fruit bluish black when mature, syncarpous or partly so, broadly ovoid, subglobose or trapezoid, often cleft at the apex, 7-9.2 by 7-10.2 mm, 0.8-1.1 times as long as wide, connate for 0.6-0.9 of fruit length when cleft, distance between apices 2-7.5 mm, apices acute, base thickened, sometimes only 1 carpel developing, glabrous. Seeds 3-5.5 by 2-2.7 mm.
Life form perennial
Growth form tree
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.75 - 7.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Lowland rain forest and in secondary thickets. Open areas, scrub, thickets, secondary forests, sometimes also along the edge of coconut plantations, at elevations up to 500 metres, occasionally to 750 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

UsesIt is used for the treatment of stomach problems, as a laxative and febrifuge and in childbirth.
Uses 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 -

Distribution

Rauvolfia amsoniifolia world distribution map, present in Indonesia and Philippines

Conservation status

Rauvolfia amsoniifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:81507-1
WFO ID wfo-0000294992
COL ID 78T8P
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cyrtosiphonia amsoniifolia Rauvolfia amsoniifolia