Cavacoa aurea (Cavaco) J.Léonard

Species

Angiosperms > Malpighiales > Euphorbiaceae > Cavacoa

Characteristics

A shrub or small tree up to 10 m.. Twigs greenish at first, soon becoming grey, sparingly lenticellate.. Young shoots and petioles glabrous or subglabrous.. Petioles 1.5–2.5(–3) cm. long.. Leaf-blades elliptic to elliptic-oblanceolate, 4–11 cm. long, 1.7–5.5 cm. wide, shortly obtusely acuminate, cuneate or somewhat rounded at the base, thinly coriaceous, lateral nerves 9–10 pairs, brochidodromous, slightly prominent beneath, scarcely so above, tertiary nerves reticulate, very sparingly pubescent or subglabrous beneath at first, soon glabrescent, glabrous above.. Stipules oblong, 3 mm. long, 1 mm. wide, subacute, glabrous.. Inflorescences 5 cm. long, few-flowered; bracts triangular-ovate, 6 mm. long, 3 mm. wide, acute, glabrous; axis glabrous.. Male flowers: pedicels 7–10 mm. long, glabrous; buds spherical; calyx-lobes lanceolate to broadly ovate, 3.5–4 mm. long, 1–3.5 mm. wide, acute or subacute, glabrous; petals elliptic-ovate, 7 mm. long, 4 mm. wide, obtuse, glabrous, bright yellow, fragrant; disc-glands transversely ovate to reniform, 1 mm. across; filaments 3 mm. long, anthers 0.5 mm. long.. Female flowers: pedicels up to 2.5 cm. long; buds conical; sepals ovate, subequal, 6–8 mm. long, 3 mm. wide, subacute; petals elliptic-oblong, 10 mm. long, 3–4 mm. wide; disc 4 mm. diameter, shallowly lobed; ovary 3–5-lobed, 2–3 mm. long, 3–4 mm. diameter, glabrous; styles 4 mm. long.. Fruit 1.5 cm. long, 3 cm. diameter, glabrous.. Seeds ovoid-subglobose, with 2 ventral facets, 1 cm. long, 8–9 mm. wide, smooth, light brown, streaked and mottled with darker brown.. Fig. 33.
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A shrub or small tree up to 13 m tall, glabrous or subglabrous with a dense crown and regular branching. Trunk irregularly fluted below. Bark thin, scaly, brown. Branches long. Twigs greenish at first, later becoming greyish. Petioles 1-5 cm long. Leaf blades 3.5-18 x 1.5-8 cm, elliptic to elliptic-obovate or elliptic-oblanceolate, obtuse to acutely acuminate at the apex, cuneate or rounded-cuneate at the base, thinly coriaceous; lateral nerves in 9-12 pairs, slightly prominent, tertiary nerves reticulate. Stipules 5 mm long, oblong, subacute. Male inflorescences up to 10 cm long, and up to c. 10-flowered; bracts 4-6 x 2-4 mm; bracteoles 1.5 mm long. Male flowers fragrant; pedicels 1-2.5 cm long; buds subglobose; calyx lobes 3.5-6 x 1-4 mm, lanceolate to broadly ovate, acute or subacute; petals 7-9 x 4-5 mm, elliptic-ovate, obtuse, cream-coloured, bright lemon-yellow or greenish-yellow; disk glands 1 mm across, transversely ovate to reniform; receptacle 4 mm high; stamens 5-6 mm long, anthers 0.5 mm long. Female inflorescences up to 5 cm long, and up to 6-flowered; bracts and bracteoles ± as in the male inflorescence. Female flowers aromatic; pedicels 1-1.7 cm long, extending slightly in fruit; buds conical; sepals 6-8 x 3-4 mm, oblong-lanceolate, subacute; petals 10 x 3-4 mm, elliptic-oblong, otherwise as in the male flowers; disk 4 mm in diameter; ovary 2-3 x 3-4 mm, 3-5-lobed; styles 3-5 mm long. Fruit 1.2-1.5 x 2.3-3 cm. Columella 1.3 cm long. Seeds 10 x 8-9 mm, ovoid-subglobose, smooth, light brown, streaked and mottled darker brown.
Male flowers fragrant; pedicels 1–2.5 cm long; buds subglobose; calyx lobes 3.5–6 × 1–4 mm, lanceolate to broadly ovate, acute or subacute; petals 7–9 × 4–5 mm, elliptic-ovate, obtuse, cream-coloured, bright lemon-yellow or greenish-yellow; disk glands 1 mm across, transversely ovate to reniform; receptacle 4 mm high; stamens 5–6 mm long, anthers 0.5 mm long.
Female flowers aromatic; pedicels 1–1.7 cm long, extending slightly in fruit; buds conical; sepals 6–8 × 3–4 mm, oblong-lanceolate, subacute; petals 10 × 3–4 mm, elliptic-oblong, otherwise as in the male flowers; disk 4 mm in diameter; ovary 2–3 × 3–4 mm, 3–5-lobed; styles 3–5 mm long.
Leaf blades 3.5–18 × 1.5–8 cm, elliptic to elliptic-obovate or elliptic-oblanceolate, obtuse to acutely acuminate at the apex, cuneate or rounded-cuneate at the base, thinly coriaceous; lateral nerves in 9–12 pairs, slightly prominent, tertiary nerves reticulate.
Female inflorescences up to 5 cm long, and up to 6-flowered; bracts and bracteoles ± as in the male inflorescence.
Male inflorescences up to 10 cm long, and up to c. 10-flowered; bracts 4–6 × 2–4 mm; bracteoles 1.5 mm long.
A shrub or small tree up to 13 m tall, glabrous or subglabrous with a dense crown and regular branching.
Seeds 10 × 8–9 mm, ovoid-subglobose, smooth, light brown, streaked and mottled darker brown.
Fruit 1.2–1.5 × 2.3–3 cm. Columella 1.3 cm long.
Twigs greenish at first, later becoming greyish.
Stipules 5 mm long, oblong, subacute.
Trunk irregularly fluted below.
Bark thin, scaly, brown.
Petioles 1–5 cm long.
Branches long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Found at low elevations in mixed evergreen forest and coastal forest, often near streams, usually on sandy soil.
Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible -
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

Cavacoa aurea world distribution map, present in Kenya, Mozambique, and South Africa

Conservation status

Cavacoa aurea threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:340454-1
WFO ID wfo-0000824730
COL ID RXQN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cavacoa aurea Grossera aurea