Euphorbia daviesii E.A.Bruce

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

Glabrous perennial herb with a woody rootstock ± 1 cm. thick, producing numerous usually simple annual stems, erect to 30 cm.. Leaves sessile, slightly fleshy, oblanceolate, to 2.5 × 1 cm., apex acute to ± obtuse, apiculate, margin entire.. Cymes occasionally axillary, usually in terminal 3–7-branched umbels, with primary rays to 3 cm. long, forking ± 4 times; bracts sessile, often tinged purplish, ± deltoid, to 1.5 × 1.5 cm., base subcordate, apex obtuse to rounded, apiculate.. Cyathia sessile, 3 × 3.5 mm., with cup-shaped involucres; glands 4, rarely 5 on cyathia developing all ♂ flowers, spreading, transversely oblong, 1.5 × 2–2.5 mm., outer margin entire to shallowly sinuate, with 2 minute horns, yellow-orange; involucral lobes rounded, 1 mm. long, apex shallowly 2-lobed, margin ciliate.. Male flowers many: bracteoles ligulate, apices ciliate; stamens 4 mm. long.. Female flower: styles 1.5 mm. long, joined at the base, spreading, bifid for 1/3.. Capsule exserted on a pedicel to 6 mm. long, 3-lobed, 4 × 4.5 mm.. Seeds ovoid, 3 × 2–4 mm., smooth, grey speckled with brown; caruncle cream, 0.5 mm. across.
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Cyathia sessile, 3 × 3.5 mm, with cup-shaped involucres; glands 4, rarely 5 on those primary cyathia which develop all-male flowers, spreading, 1.5 × 2–2.5 mm, transversely oblong, outer margin entire to shallowly sinuate with 2 minute horns, golden-yellow; lobes rounded, 1 mm long with 2 shallow teeth at the apex, ciliate at the margin.
Glabrous perennial herb; rootstock woody, c. 1 cm thick, producing numerous annual stems; stems usually unbranched, erect to 30 cm tall.
Leaves sessile, slightly fleshy; lamina to 2.5 × 1 cm, oblanceolate, acute to ± obtuse at the apex, apiculate, with entire margins.
Cymes occasionally axillary, usually in terminal 3–7-branched umbels, with primary rays to 3 cm long, each forking c. 4 times.
Bracts sessile, yellowish-green, to 1.5 × 1.5 cm, deltoid, obtuse to rounded at the apex, apiculate, subcordate at the base.
Seeds 3 × 2–4 mm, ovoid, smooth, grey, speckled with brown; caruncle 0.5 mm across, cream-coloured.
Female flower: styles 1.5 mm long, joined at the base, with spreading apices bifid for one-third.
Male flowers many: bracteoles ligulate, with ciliate apices; stamens 4 mm long.
Capsule exserted on a pedicel to 6 mm long, 4 × 4.5 mm, conspicuously 3-lobed.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
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 daviesii world distribution map, present in Tanzania, United Republic of

Identifiers

LSID urn:lsid:ipni.org:names:346223-1
WFO ID wfo-0000961653
COL ID 3CNJ8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Euphorbia daviesii Euphorbia imbricata