Zanthoxylum capense (Thunb.) Harv.

small knobwood

Afr

kleinperdepram

isiZulu

umnungamabele

IsiXhosa

umlungumabele

Description

Family:

Rutaceae

Order:

Sapindales

Description

Small, multi-branched tree (usually 5 m, up to 15 m), sparse crown, trunk and branches with cone-shaped knobs ending in straight, dark brown spines. Glossy, citrus-scented, unevenly compound leaves with gland dots. Greenish-white, sweet-smelling flowers in spring/summer. Round, glandular capsules (5 mm), red when ripe, split to reveal single black, oil-rich seed. Visually striking for knobbly trunk and glossy foliage. Excellent for attracting birds and butterflies; suitable for small gardens, containers, rockeries. 45

Plant Details

Height

4– m (usually), up to 15 m 45

Thorns

Straight, dark brown, on cone-shaped knobs, especially trunk/older branches 4

Soil

Loam, adaptable; tolerates a wide range

Moderate to fast 

Growth Rate

4– m (usually), up to 15 m 45

Size

Not available

Lifespan

Flower Colour

Flowering Season

, , ,

Horticultural Zones

Neutral 

pH

Loam, adaptable; tolerates a wide range

Soil

Sun, semi-shade 

Aspect

Hardy 

Frost Tolerance

Good 

Drought Resistance

Companion Plants

Suitable with other woodland/savanna trees (e.g., Combretum, Acacia) .

Caterpillars

Papilio demodocus, Papilio echerioides, Papilio ophidicephalus (host plant) 5.

Associations

Descriptions

Insects: Host for Papilio demodocus (Citrus swallowtail), Papilio echerioides (White-banded swallowtail), Papilio ophidicephalus (Emperor swallowtail) caterpillars 5. Wildlife: Fruits eaten by vervet monkeys, baboons; leaves browsed by kudu, klipspringer, grey duiker. Seeds eaten by birds. Not a nitrogen fixer. Ecosystem Services: Supports pollinators, frugivores, browsers; excellent for wildlife gardens 5.

Flowers and fruits

Scented, greenish-white flowers attract insects. Fruit eaten by primates, birds; seeds dispersed by birds and mammals 5.

Birds

Seeds eaten by birds; tree attracts insectivorous and frugivorous birds .

By Seeds:

Collect ripe seed, soak in acid then hot water, sow in sand/compost, transplant at 2-leaf stage; seedlings transplant well .

By Cuttings:

Not available

Traditional Uses

Bark, leaves, fruit used for colic, fever, snakebite, toothache, epilepsy, sores; mouthwash. Twigs used as toothbrushes; roots/leaves used for flu and wound dressing 

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

View

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