Coptosperma nigrescens Hook.F.

Species

Angiosperms > Gentianales > Rubiaceae > Coptosperma

Characteristics

Leaf blades blackish when dry, 3.2–10.8 × 1–3.7 cm, narrowly elliptic to elliptic or lanceolate to narrowly ovate, acute to acuminate at apex, cuneate or acute at base, coriaceous, very shiny above; tertiary nerves ± raised on both surfaces; domatia absent; petiole 0.5–1 cm long; stipules 1.5–2.5 mm long, inconspicuous, deltoid, obtuse, bearded within, readily caducous.
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Calyx glabrous or minutely puberulous; tube 1.5–2 mm long; limb-tube 1.25–2 mm long, truncate to repand or sometimes with short teeth (not in Flora Zambesiaca area), ciliate, within densely pubescent and with interspersed colleters.
Inflorescences terminal, sessile or with a peduncle up to 1.9 cm long, often supported by rudimentary leaves; primary branches 0.6–1.4 cm long; pedicels 0.3–1.9 cm long; bracteoles scale-like, always 2 in middle of pedicel.
Corolla whitish or yellow; tube ± cylindrical, (1.5)3–5 mm long, 1.5–2 mm wide at top, glabrous outside, pubescent at throat; lobes 5–6 × 1.75–2 mm, oblong, obtuse, sometimes auriculate at base.
Shrub, small tree or climber, (0.75) 2.5–6 m tall, glabrous; young branches terete, covered with pale to dark reddish-brown shiny bark, sometimes becoming greyish with age, always flaking.
Seed blackish-brown, spherical, 5 mm in diameter, finely rugose; hilar cavity inconspicuous; endosperm deeply ruminate.
Fruit ripening to red, globose, 5–8 mm in diameter, 1-seeded; calyx limb persistent.
Placenta ovate with usually 3 ovules impressed on the upper part.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.75 - 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

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

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Coptosperma nigrescens world distribution map, present in Comoros, Kenya, Madagascar, Mozambique, Somalia, eSwatini, and Tanzania, United Republic of

Conservation status

Coptosperma nigrescens threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:747557-1
WFO ID wfo-0000923800
COL ID Y8G8
BDTFX ID -
INPN ID 809341
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ixora linearifolia Ixora pruinosa Pavetta saligna Coptosperma nigrescens Enterospermum pruinosum Chomelia coriacea Chomelia nigrescens Coptosperma madagascariense Tarenna nigrescens