Euphorbia brachycera Engelm.

Horned spurge (en)

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

Herbs, perennial, with thick rootstock. Stems erect or ascending, branched, 10–60 cm, usually glabrous, sometimes puberulent. Leaves: petiole 0–0.5 mm; blade oblong-elliptic, lanceolate, or oblanceolate to broadly ovate, 5–25 × 2–7 mm, base truncate, rounded, acute, or attenuate, margins entire, apex acute or obtuse, sometimes mucronate, surfaces usually glabrous, sometimes puberulent; venation inconspicuous, only midvein prominent. Cyathial arrangement: terminal pleiochasial branches 3–5(–8), 1–4+ times 2-branched; pleiochasial bracts lanceolate or ovate to broadly ovate, wider than distal leaves; dichasial bracts distinct, broadly ovate or rhombic to triangular-ovate, base obtuse, margins entire or slightly crenate, apex obtuse, mucronate; axillary cymose branches 0–8. Cyathia: peduncle 0.4–1 mm. Involucre turbinate, campanulate or cupulate, 1.5–2.6 × 1.4–1.7 mm, usually glabrous, sometimes puberulent; glands 4, crescent-shaped to triangular-ovate, 0.5–0.8 × 0.7–1.7 mm, margins usually entire, occasionally slightly crenate to dentate; horns divergent, 0.2–0.4 mm, longer than teeth on gland margin. Staminate flowers 10–15. Pistillate flower: ovary, usually glabrous, sometimes puberulent; styles 0.5–0.9 mm, 2-fid. Capsules depressed-ovoid, 2.8–4 × 3.5–4.5 mm, 3-lobed; cocci rounded, smooth, usually glabrous, sometimes sparsely puberulent; columella 2.4–3.3 mm. Seeds light gray, cylindric ovoid-oblong, 2–2.8(–3) × 1.4–2.2 mm, irregularly shallowly pitted; caruncle sessile to shortly stipitate, conic, 0.4–0.5 × 0.8–1.1 mm. 2n = 28.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses medicinal
Edible -
Therapeutic use Gynecological Aid (root), Cathartic (unspecified), Dermatological Aid (unspecified), Gynecological Aid (unspecified), Analgesic (unspecified), Witchcraft Medicine (unspecified)
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 brachycera unspecified picture

Distribution

Euphorbia brachycera world distribution map, present in Colombia and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:101345-2
WFO ID wfo-0000961062
COL ID 3CN53
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Tithymalus philorus f. dichotomus Tithymalus brachycerus Galarhoeus robustus Tithymalus fendleri Tithymalus philorus Euphorbia robusta Euphorbia odontadenia Euphorbia philora Euphorbia brachycera f. dichotoma Euphorbia brachycera Euphorbia montana Euphorbia brachycera var. robusta Euphorbia montana var. robusta Euphorbia robusta var. interioris Tithymalus robustus Euphorbia montana var. trifaris