Acokanthera oppositifolia

Acokanthera oppositifolia (Lam.) Codd

Bushman's Poison

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IsiXhosa

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Description

Family:

Apocynaceae

Order:

Gentianales

Description

Hardy, evergreen, medium to large upright shrub or small tree (up to 6 m), with brown, deeply fissured bark, opposite, hard, dark green, leathery leaves.

Clusters of white to pink-tinged, sweetly scented flowers (June–Oct).

Large, plum-coloured, berry-like fruits relished by birds.

Milky, poisonous sap.

Makes an attractive hedge, tolerant of sun or shade.

Grows well in containers.

Plant Details

Height

2–6 m

Thorns

Absent

Soil

Sandy, clay, loam; adaptable; red clay, clay-loam, rocky soils, termite mounds

Moderately fast

Growth Rate

2–6 m

Size

Several decades

Lifespan

Flower Colour

Flowering Season

, , , ,

Horticultural Zones

Neutral

pH

Sandy, clay, loam; adaptable; red clay, clay-loam, rocky soils, termite mounds

Soil

Full sun, semi-shade, shade

Aspect

Moderate

Frost Tolerance

Good

Drought Resistance

Companion Plants

Caterpillars

Caterpillars of the moth Digama spilosoma feed on the leaves.

Associations

Descriptions

Insects: Flowers attract insects, which serve as the main pollinators.

Wildlife: Fruits are eaten by birds and animals. The fruit pulp of ripe fruits is edible and sweetish-bitter, but unripe fruits and most other parts of the plant are highly toxic.

 

Flowers and fruits

Sweetly scented, white-pink flowers attract pollinators.

Large, plum fruits are eaten by birds and mammals. Unripe fruit and seeds highly poisonous.

Seeds are mainly dispersed by mammals.

 

Birds

Fruits relished by birds.

By Seeds:

Collect fruits when ripe, and remove pulp from the seeds.

Sow fresh seeds, as seeds do not store well. No pretreatment of the seeds is needed.

 

By Cuttings:

Semi-hardwood cuttings root reasonably well in spring (Sep–Oct).

Traditional Uses

Hunting: The milky sap was used as poison on arrow tips; all plant parts are highly poisonous except ripe fruit.

Medicinal: Used for snake, spider bites, worms, aches, colds, headache, abdominal pain, colds, measles, blood poisoning, syphilis, menstruation issues. (Using the plant for these indications will not reduce its toxicity – do not try use any parts of the plant now that it is known to be toxic).

The fruit pulp was used for jam.

Farming: Mammals seldom eat the plant so poisoning of livestock rare.

Plant Details

Height

Description

Thorns

Description

Leaves

Description

Size

Growth Form

Size

Size

Size

Lifespan

Size

Flower Colour

Size

Flowering Season

Size

Horticultural Zones

Size

pH

Size

Soil

Size

Aspect

Size

Frost Tolerance

Size

Drought Resistance

Description

DESCRIPTION

Height

DESCRIPTION

Leaves

DESCRIPTION

Thorns

DESCRIPTION

BSS

Ecoscore

Host plant Nectar Grazing

Link to PlantzAfrica.co.za

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Distribution

Companion Plants

Description

Caterpillars

Associations

Leaves

Leaves

Flowers and fruits

Leaves

Birds

Leaves

Mammals

Leaves

By Seeds:

Leaves

By Cuttings:

Leaves

Traditional Uses

traditional uses