Trifolium retusum L.

Teasel clover (en), Trèfle à feuilles obtuses (fr), Trèfle tronqué (fr)

Species

Angiosperms > Fabales > Fabaceae > Trifolium

Characteristics

Annual; stems glabrous, procumbent or ascending, not rooting at nodes. Lvs glabrous; petioles c. 10-40 mm long; leaflets obovate, mostly acute and mucronate, cuneate at base, finely serrate, c. 5-15 mm long; lateral veins somewhat recurved and thickened toward leaflet margin; petiolules < 1 mm long, ± equal; stipules ovate, acuminate. Infls axillary, racemose, globose, pedunculate, usually < subtending lf, sometimes ± = lf, the upper often subsessile; peduncles 0.75-1 mm diam.; fls numerous, somewhat recurved at fruiting; pedicel up to 1 mm long but fls usually subsessile; bracts subtending fls free. Calyx ± glabrous or with a few scattered hairs, 10-veined, not inflated at fruiting; throat open, glabrous; calyx teeth unequal, narrowly triangular, recurved at fruiting but not flowering; upper 2 teeth longer, ± = corolla, = or > tube; sinuses acute. Corolla white or pink, persistent, 4-5 mm long. Pod glabrous, straight, < calyx, 2-3 mm long, 2-seeded; seeds c. 1 mm diam.
Life form annual
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread epizoochory
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses gene source
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Trifolium retusum unspecified picture

Distribution

Trifolium retusum world distribution map, present in Armenia, Austria, Azerbaijan, Bulgaria, Czech Republic, Germany, Algeria, France, Georgia, Greece, Hungary, Iraq, Italy, Morocco, Moldova (Republic of), New Zealand, Portugal, Romania, Russian Federation, Slovakia, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:60454687-2
WFO ID wfo-0000213064
COL ID 58Q52
BDTFX ID 69373
INPN ID 127458
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trifolium retusum Amoria parviflora Amoria retusa Trifolium parviflorum