Euphorbia guerichiana Pax ex Engl.

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

A shrub or tree. It grows 8 m high. It loses its leaves during the year. The bark is dark brown, smooth and waxy and peels off in light yellow papery sheets. The young branches are long, thin and flexible. The leaves are broadly sword shaped and very small. They are 3-15 mm long by 2-5 mm wide. They are simple and vary in shape. The flowers are yellow and in clusters near the ends of short side shoots. The flowers appear when the tree has lost its leaves. The fruit is a capsule with 3 lobes. They are smooth and 6 mm across.
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Monoecious, spineless, scarcely succulent, glabrous shrub, up to 2.5 m tall. Leaves deciduous, oblong to lanceolate 3-20 x 1.3-5 mm, slightly succulent. Cyathia solitary, terminal, on short shoots on younger branches, 4-5 mm diam., with 5 entire, yellow-green glands. Capsule exserted on ascending pedicel, 6-10 mm diam., glabrous.
Leaves with a petiole 1–3 mm long; stipules glandular, triangular, minute, dark brown; lamina 1.5–3.5 × 0.5–1.3 cm, obovate to lanceolate, rounded at the apex, cuneate at the base, entire, minutely pubescent especially beneath, rarely almost glabrous.
Woody shrub or small tree, up to 6 m high. Leaves 3.0-6.0 x 1.3-2.5, oblong, obovate or lanceolate, minutely puberulous on both sides. Cyathia solitary, produced on very suppressed flowering branchlets. Flowers lime-green.
Cyathia 2.5 × 3.5 mm with cup-shaped involucres, minutely pubescent, at least at the base; glands 5, 1 × 1.5 mm, transversely elliptic, spreading; lobes 0.5 mm long, rounded, margin denticulate, ciliate.
Seeds 4.5 × 3.5 mm, ovoid with obtusely pointed apex, slightly dorsi-ventrally compressed, smooth, grey, speckled; caruncle 2.3 mm in diameter, cap-like.
Female flower: ovary glabrous, subtended by an obvious 3-lobed perianth; styles 2.5 mm long, joined to halfway with spreading bifid apices.
Cymes reduced to solitary axillary subsessile cyathia on dwarf leafy branchlets; bracts scarious, 1 × 1 mm, rounded, margins ciliate.
Capsule c. 9 × 9 mm, deeply 3-lobed, minutely pubescent, exserted on a reflexed pedicel 6–9 mm long.
Woody shrub or small tree to 3 m high with a papery bark; branches reddish-brown.
Male flowers: bracteoles deeply laciniate, apices ciliate; stamens 3.5 mm long.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows in hot dry places with a marked dry season. The dry season can be 6-11 months. It grows on rocky and sandy soils and in deserts. It grows between 5-1,850 m above sea level. It can grow in arid places.
Light -
Soil humidity 1-3
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The fresh fruit are eaten. They can also be stored for later use.
Uses animal food food fuel gene source medicinal
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 10 - 15
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Euphorbia guerichiana world distribution map, present in Angola, Botswana, Namibia, South Africa, and Zimbabwe

Conservation status

Euphorbia guerichiana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:346703-1
WFO ID wfo-0000962404
COL ID 6GZ9J
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Euphorbia frutescens Euphorbia guerichiana Euphorbia commiphoroides