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Cunonia capensis L.

Red alder (en)

Species

Angiosperms > Oxalidales > Cunoniaceae > Cunonia

Characteristics

Tree or shrub, 2.5-30.0 m high. Leaves petiolate, imparipinnate; leaflets 2-or 3-jugate, lanceolate, obtuse or shortly acuminate, with serrate margins; stipules large, oblong, united into a spoon-shaped structure around leaf buds. Inflorescence a dense, spike-like raceme. Calyx 5-lobed, with short, open tube. Petals 5, oblong, imbricate. Stamens 10, inserted with petals; filaments filiform, much longer than petals. Ovary with many ovules, axile, pendulous in 2 rows; styles 2, terete. Flowering time all year. Fruit a 2-horned, 2-locular, coriaceous capsule, opening by 2 valves. Seeds ± ovoid, with narrow, membranous wing.
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A tree. It grows 30 m tall. The leaves are opposite and have leaflets along the stalk. The leaflets are narrowly oval with teeth along the edge. The flowers are in dense groups. They are whitish and have a scent.
Tree to 30 m. Leaves opposite, imparipinnate, glossy, leaflets elliptic, serrate, enclosed in bud by conspicuous paddle-shaped stipules. Flowers in dense, spike-like, axillary racemes, whitish, scented.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0 - 30.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Forests and moist areas, especially along watercourses, usually near the coast.
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It is a subtropical plant. It grows near stream banks and in forests.
Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses material medicinal wood
Edible flowers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Cunonia capensis unspecified picture

Distribution

Cunonia capensis world distribution map, present in South Africa

Conservation status

Cunonia capensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:790734-1
WFO ID wfo-0000629352
COL ID 6BRML
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cunonia capensis
WorldFloraDB 2024