Euphorbia tibetica Boiss.

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

Herbs, perennial, usually erect or ascending, 10-15(-30) cm tall. Rootstock vertical, cylindric, up to more than 10 cm, to 10 mm thick but often less, many branched at apex. Stems densely clustered, mostly sterile, 1-2(-5) mm thick, glabrous. Leaves alternate; stipules absent; basal scale-leaves few; petiole absent or nearly so; leaf blade obovate to oblong-lanceolate, 6-15 × 3-6 mm, base attenuate, margin entire, repand, or dentate, apex rounded; lateral veins inconspicuous. Inflorescence an ill-defined terminal pseudumbel or dichasial cyme; involucral leaves 2 or 3, ovate-triangular, sometimes oblique, margin denticulate, base attenuate, primary rays 2 or 3, 0.2-2.5 cm; cymes ca. 3 × forked; cyathophylls 2, similar to primary involucral leaves. Cyathium stipitate; involucre turbinate, 3.5-4.5 × 3-5 mm, lobes entire, bent inside; glands 5, dark brown, rounded to transversely oblong, entire. Male flowers many, slightly exserted from involucre. Female flower: ovary pedicellate and extended out of cup, smooth, glabrous; styles very short, free, persistent; style arms slightly 2-lobed. Capsule shortly terete, ca. 5 × 5 mm, smooth, glabrous. Seeds ovoid-globose, 3-4 × 1.7-3 mm, brown to black-brown, smooth without modification; caruncle trigonous, yellow. Fl. and fr. Jun-Sep.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

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 -

Distribution

Euphorbia tibetica world distribution map, present in China, India, Kyrgyzstan, Sri Lanka, and Pakistan

Identifiers

LSID urn:lsid:ipni.org:names:348511-1
WFO ID wfo-0000965111
COL ID 3CQZH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tithymalus issykkulensis Tithymalus tibeticus Galarhoeus tibeticus Tithymalus tranzschelii Galarhoeus issykkulensis Galarhoeus tranzschelii Euphorbia tibetica Euphorbia tatarica