Diospyros hoyleana F.White

Species

Angiosperms > Ericales > Ebenaceae > Diospyros

Characteristics

Leaves subcoriaceous, drying blackish–brown above, paler brown beneath; lamina up to 7 x 2·2 cm, very variable in shape; lower surface glabrous except for a few setulose hairs towards the base of the midrib; midrib prominent above, often impressed beneath; nerves almost or quite invisible.
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Stamens c. 9, included, c. 0·45 cm. long; filaments 0·05 cm. long, inserted on the receptacle, densely setulose; anthers 0·4 cm. long, linear–lanceolate, markedly apiculate; connective setulose towards base on both surfaces, otherwise glabrous.
Ovary narrowly ovoid–conoidal, together with the style 0·3 x 0·15 cm., glabrous, encircled at the base by a fringe of hairs; locules 4, uniovulate; stigmata 2, fleshy, sessile, irregularly lobed, 0·1 cm. long.
A shrub or tree. It grows 15 m high. The leaves are small. They are 7 cm long by 2 cm wide. The fruit are 2 cm long and usually oval. There are 2 subspecies.
Calyx 0·125–0·15 cm. long, sparsely setulose outside, margin ciliolate, glabrous inside; lobes 3, up to 0·06 cm. long, hemi–orbicular.
Male flowers subsessile, axillary or ramuligerous, solitary or in fascicles of 2–7; pedicels 0·05 cm. long, densely setulose.
Seeds 1–4, reddish–brown, 1 x 0·8 x 0·6 cm.; endosperm usually deeply ruminate, occasionally shallowly ruminate or smooth.
Corolla c. 0·9–1 x 0·275 cm.; tube 0·8 cm. long; lobes 0·15 cm. long, ascending, scarcely longer than broad.
Fruit up to 2 x 1·8 cm., red then black, globose, conoidal or ellipsoid–conoidal, verruculose, glabrous.
Staminodes 4–8, lanceolate, 0·25 cm. long, with a tuft of strigulose hairs at base of antherode.
Slash black and brittle outside, reddish inside like that of D. alboflavescens, crumbling
Small tree usually 8–15 m. high, but sometimes flowering as a shrub c. 3 m. high.
Flowers pale yellow or white, borne down the leafless twigs but not on the trunk
Leaves dark green and glossy above, margins coarsely undulate
Female flowers as in male but corolla only 0·6 cm. long.
Sapwood pinkish-white with black longitudinal lines
Fruiting calyx scarcely accrescent, 0·2 cm. long.
Forest shrub or small tree up to 45 ft. high
Pistillode represented by a tuft of hairs.
Bark dark brown or black, smooth
Fruit red, turning black.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.86 - 14.36
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in the understorey in dense evergreen forests.
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An understorey plant in dense evergreen rain-forest.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses material medicinal
Edible fruits
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

Diospyros hoyleana world distribution map, present in Angola, Congo, Cabo Verde, Gabon, Nigeria, and Zambia

Conservation status

Diospyros hoyleana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:322510-1
WFO ID wfo-0000649089
COL ID 6D8ZL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Maba kamerunensis Diospyros hoyleana

Lower taxons

Diospyros hoyleana subsp. hoyleana Diospyros hoyleana subsp. angustifolia