Euphorbia keithii R.A.Dyer

Swazi euphorbia (en)

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

Branches 1–2 m long, (3)5(6)-angled, constricted into segments up to 25 × 3–4 cm; angles ± winged, with wings 7–15 mm deep and shallowly sinuate, the tubercles 1–1.75 cm apart along the margins.
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Cymes 1–3 in a horizontal line 5 mm above the spines, simple, with lateral cyathia vertically arranged; peduncles and cyme branches 1–2 mm long; bracts subquadrate, scale-like.
Cyathia c. 3 × 4–5 mm with cup-shaped involucres; glands transversely oblong, 2–2.5 mm wide, greenish-yellow; lobes 1.25 × 1.25 mm, subquadrate, fimbriate.
Succulent spiny shrub or small tree to 2–6 m tall, with a crown of spreading-ascending branches.
Spine shields joined in a grey, horny margin c. 2–3 mm wide; spines 5–8 mm long, fairly stout.
Capsule 4 × 6–7 mm, obtusely lobed, exserted on a recurved pedicel c. 6 mm long.
Female flower: styles 1.5 mm long, joined to halfway, apices bifid.
Male flowers: bracteoles 3 mm long, laciniate; stamens 5 mm long.
Seeds subglobose, c. 2.25 × 2 mm, brown, smooth.
Leaves 5 mm long, ovate, deciduous.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 6.0
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 medicinal
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 -

Images

Euphorbia keithii unspecified picture

Distribution

Euphorbia keithii world distribution map, present in Mozambique and eSwatini

Identifiers

LSID urn:lsid:ipni.org:names:346993-1
WFO ID wfo-0000962850
COL ID 3CPD2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Euphorbia keithii