Euphorbia mercurialina Michx.

Mercury spurge (en)

Species

Angiosperms > Malpighiales > Euphorbiaceae > Euphorbia

Characteristics

Herbs, perennial, with thickened, spreading rootstock. Stems erect, unbranched or branched, solitary or few, previous year's dead stems not persistent, 20–33 cm, glabrous or villous to lanate. Leaves alternate; stipules 0.1–0.2 mm; petiole (1–)2.5–5(–6) mm, ciliate to lanate; blade elliptic to ovate-deltate, proximal greatly reduced, scalelike, 34–55 × 20–26 mm, base rounded or cuneate, margins entire, densely ciliate, apex rounded to acute, abaxial surface sparsely pilose to villous (to lanate on midrib), adaxial surface glabrous; venation obscure, only midvein conspicuous. Cyathia usually in terminal pleiochasia, rarely dichasia; peduncle 1.3–2.7 mm (to 40–70 mm for central cyathium), filiform, glabrous. Involucre campanulate or hemispheric, 1.5–2.5 × 2–3 mm, glabrous; glands 5, green, elliptic-reniform, 0.5 × 2 mm; appendages white, narrowly transversely-oblong to lunate, 0.6 × 2.5 mm, slightly erose. Staminate flowers 10–15. Pistillate flowers: ovary glabrous; styles 0.7–1.5 mm, 2-fid at apex. Capsules depressed-globose, 2.3–3.3 × 4.4–5 mm, glabrous; columella 2.7–3 mm. Seeds tan to dark brown, ovoid, 2.2 × 1.6 mm, with shallow and coarse depressions; caruncle absent.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

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 -

Images

Euphorbia mercurialina unspecified picture

Distribution

Euphorbia mercurialina world distribution map, present in Åland Islands, Georgia, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:101736-2
WFO ID wfo-0000963320
COL ID 3CPR8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Tithymalopsis mercurialina Euphorbia mercurialina Euphorbia mercurialis Agaloma ciliata Agaloma mercurialina