Premna angolensis Gürke

Species

Angiosperms > Lamiales > Lamiaceae > Premna

Characteristics

Tree 4.5–21 (–27) m. tall with spreading crown, less often shrubby; bole often crooked, usually hollow, sometimes fluted; bark pale grey or reddish and grey, finely furrowed; slash soft pale brown to white, yellowish towards wood with scattered orange-brown flecks; branches ± horizontal; branchlets sparsely pubescent and glandular then glabrous, less often ± densely pubescent.. Leaves mostly in whorls of 4, less often paired; blades ovate, oblong or elliptic, 4.5–20.5 cm. long, 3–13(–17) cm. wide, acuminate at the apex, rounded, cuneate or subcordate at the base, glabrous above and pubescent beneath on main nerves, later glabrescent or rarely densely pubescent all over (see note), glandular-punctate; midrib impressed above and the ± parallel venation mostly finely prominent; all main venation prominent beneath; petiole 3–10 cm. long.. Flowers small in large thyrsoid panicles 12–30 cm. long, the main branches in whorls of 2–5, 3–9 cm. long; bracts linear to lanceolate, 0.2–1 cm. long; pedicels obsolete or under 1 mm. long.. Calyx 1.5–2 mm. long, truncate or obscurely 2-lipped, glabrescent to pubescent.. Corolla white, sometimes tinged green or ? mauve, glabrous outside; tube 2–2.5(–3) mm. long; lobes 1 mm. long, ± semicircular, tomentose-pubescent inside.. Anthers brown, just exserted.. Fruits green turning purple, globose, 4–5 mm. diameter; calycine cup shallow, 3.5 mm. diameter.
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A small tree or climbing shrub. It can be 21 m tall. The flowers are white. The fruit are green and turn purple.
A small tree up to 40 ft. high or (?) climbing shrub
Flowers white, very small in copious panicles.
Life form perennial
Growth form tree
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 15.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Forests, mainly in margins and clearings; bushland and grassland, at elevations up to 2,100 metres.
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It is a tropical plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses environmental use food fuel material medicinal oil social use wood
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

Premna angolensis world distribution map, present in Angola, Benin, Burkina Faso, Central African Republic, Congo, Cabo Verde, Ethiopia, Gabon, Ghana, Guinea, Kenya, Nigeria, Rwanda, Sudan, Senegal, Sierra Leone, Chad, Togo, Tanzania, United Republic of, and Uganda

Conservation status

Premna angolensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:864177-1
WFO ID wfo-0000282533
COL ID 6VWTC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Premna angolensis Premna claessensii Premna zenkeri Premna angolensis var. cuneata Premna quadrifolia var. subglabra Premna elskensii