Olea exasperata Jacq.

Species

Angiosperms > Lamiales > Oleaceae > Olea

Characteristics

Bushy and straggling shrubs or small umbrella shaped trees, from about 0.75 to 7 m high, rarely taller; branchlets rough with numerous raised lenticels. Leaves with a tendency for the sides to curl downwards as on O. africana, linear-oblong, 4-8.5 cm long, 6-10 mm broad, rarely 1.5 cm broad; broadest in the upper two thirds, narrowing gradually to the base, minutely pitted on both surfaces, especially on lower, midrib raised on lower surface, sometimes also on upper, a few lateral veins sometimes obvious and raised above but disappearing about halfway to the margin, anastomosing seldom seen, but if so loops curved; margin rim reflexed; petiole 4 mm long, rarely 5 mm. Panicles terminal, short, broad, many flowered; buds subglobose; bracts very small, pointed, subpersistent. Calyx short, cupular, glandular, shortly 4-toothed. Corolla with a short tube under 1 mm long; lobes up to 2.75 mm long, margins narrowly infolded. Stamens with filaments almost 1 mm long; anthers large, brownish, about 2 mm long and 2 mm broad, dorsifixed. Ovary narrowing into a short style; stigma 2-lobed forming a conico-globose head; ovules pendulous. Fruit ' black purple ' when ripe, up to 1 cm long and 8 or 9 mm broad, subglobose to oblong-globose.
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Small, umbrella-shaped tree or shrub, 2-7 m high. Leaves opposite, coriaceous, apex acuminate to obtuse, tapering to base, margins entire. Inflorescences trichotomous panicles, many-flowered. Flowers small, creamy white; pedicels short. Sepals 4-lobed, fused basally. Corolla 4-lobed, partially fused into small tube. Stamens 2 arising on corolla tube; anthers dorsifixed with extrorse dehiscence. Ovary subglobose; stigma bilobed. Flowering time Sept.-Mar. Fruit a drupe, with thin, fleshy mesocarp, up to 10 mm long, black when mature.
Shrub or small tree to 7 m with warty branchlets. Leaves linear-oblong. Flowers in terminal panicles, white.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 7.0
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 3-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses gene source medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 120
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Olea exasperata unspecified picture

Distribution

Olea exasperata world distribution map, present in South Africa

Conservation status

Olea exasperata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:610677-1
WFO ID wfo-0000817272
COL ID 6SJ6Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Olea humilis Olea glabella Olea exasperata