Rauvolfia mannii Stapf

Species

Angiosperms > Gentianales > Apocynaceae > Rauvolfia

Characteristics

Shrub or small tree, 0.3–8 m high; trunk 0.5–2.5 cm in diameter or more; bark scaly, peeling, greenish to greyish brown, lenticellate; branches brown, lenticellate.. Leaves in whorls of 3–6, opposite on some nodes; petiolate; blade elliptic or slightly obovate, 2.5–28 cm long, 0.7–10.5 cm wide, acuminate or cuspidate at the apex, acumen 2–35 mm long, cuneate at the base, glabrous; with 6–19 pairs of secondary veins; petiole 1–27 mm long, glabrous.. Inflorescence terminal or pseudoaxillary, 3–50-flowered, glabrous in all parts; peduncle 0.2–6 cm long; pedicels 1–8 mm long.. Flowers white, lobes pale pink, finely speckled dark red along mid vein; sepals ovate–elliptic, 0.6–2.8 mm long, glabrous; corolla hypocrateriform; tube 2.5–10.5 mm long, glabrous outside; lobes ovate to broadly ovate, dolabriform, often curved to the left, 0.8–3.6 mm long, 0.6–2.4 mm wide, obtuse to rounded at the apex; stamens inserted 2–8 mm from the corolla base; disk cupular, 0.4–0.8 mm high; pistil 1.8–6.5 mm long; ovary globose to ellipsoid; style 0.8–6 mm long; pistil head 0.3–1.2 mm long.. Fruits red or purple-black, often laterally compressed, when apocarpous usually one carpel developing, ovoid to almost ellipsoid, 5–12 mm long, 4–7 mm in diameter; when syncapous obcordate, 5–11 mm long, 4–14 mm wide; seeds 4–11 mm long.
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Leaves verticillate, 3–6 together, on some nodes opposite; petiole 1–27 mm. long, glabrous; lamina 2·5–28 x 0·7–10·5 cm., narrowly ovate to narrowly obovate, acuminate at the apex (acumen 2–35 mm. long), cuneate at the base, papery to subcoriaceous, glossy, glabrous, with 6–19 secondary veins on each side of the midrib.
Corolla hypocrateriform; tube white, yellowish-or greenish-white, often with longitudinal pink or red stripes, 2·5–10·5 mm. long, inside pubescent from 1·5–7·5 mm. from the base to (or almost) to the apex; lobes white to pink, 0·8–3·6 mm. long, ovate to obovate, glabrous.
Pistil 1·8–6·5 mm. long; carpels 0·8–2 mm. long, glabrous; disk ring-shaped, 0·4–0·8 mm. high, glabrous; style 0·8–6 mm. long, glabrous; clavuncula 0·3–1 mm. long, often pubescent; stigma 0·1–0·6 mm. long, glabrous.
Fruits red, often laterally compressed; when apocarpous one or both carpels developing; carpels ovoid to obovoid and 5–12 x 4–7 x 3–6 mm.; when syncarpous obcordate and 5–11 x 4–15 x 3–7 mm.
Stamens inserted 2–8 mm. above the base of the corolla-tube; filaments 0·2–0·6 mm. long; anthers 0·8–1·5 mm. long.
Inflorescences few-to many-flowered; peduncle 0·2–6 cm. long, glabrous.
Bark scaly, peeling off, greenish-to grey-brown, lenticellate.
Understorey shrub or small tree, 0·30–8 m. high.
Sepals 0·6–2·8 mm. long, triangular, glabrous.
Branches brown; branchlets medium green.
Trunk 0·5–1 cm. in diam. or more.
Small shrub or tree 2-30 ft. high
Pedicels 1–8 mm. long, glabrous.
Greenish-white and pink flowers
Seeds 4–11 x 3–6 x 2–5 mm.
Red berries.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.61 - 6.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

An understorey plant growing in wet places in rainforest, riverine forest and old secondary forest, at elevations from sea-level up to 2,500 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible -
Therapeutic use Poison(Arrow) (unspecified)
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

Rauvolfia mannii unspecified picture

Distribution

Rauvolfia mannii world distribution map, present in Angola, Burundi, Central African Republic, Côte d'Ivoire, Cameroon, Congo, Gabon, Ghana, Kenya, Liberia, Malawi, Nigeria, Rwanda, Tanzania, United Republic of, and Uganda

Conservation status

Rauvolfia mannii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:81579-1
WFO ID wfo-0000295086
COL ID 4RMD6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Rauvolfia ivorensis Rauvolfia liberiensis Rauvolfia longeacuminata Rauvolfia obscura Rauvolfia rosea Rauvolfia cardiocarpa Rauvolfia preussii Rauvolfia cumminsii Rauvolfia mannii