Trifolium hirtum All.

Rose clover (en), Trèfle hérissé (fr)

Species

Angiosperms > Fabales > Fabaceae > Trifolium

Characteristics

Annual; stems densely hairy, erect, not rooting at nodes. Lvs moderately to densely hairy; petioles 5-15-(100) mm long; leaflets obovate, cuneate at base, obtuse and shortly mucronate, finely serrate, 8-25-(30) mm long; lateral veins thin and straight to leaflet margin; petiolules c. 1 mm long, ± equal; stipules ovate, acuminate. Infls terminal, spicate, globose to shortly cylindric, sessile, ± = or > subtending lvs; fls numerous, sessile; bracts 0. Calyx densely sericeous, with 20 veins obscured by hairs, not inflated at fruiting; throat somewhat constricted by dense hairs; calyx teeth subequal (the lower slightly longer), < corolla, shortly triangular with linear apex, much > tube, ± erect at fruiting; sinuses obtuse. Corolla pale or deep pink to purplish, deciduous, 12-17 mm long. Pod glabrous, straight, < calyx, 2.5-3 mm long, 1-seeded; seeds c. 2 mm long.
More
Annual, 1–4 dm, the stem softly pubescent with somewhat deflexed hairs; stipules tapering to an elongate linear tip; lfls obovate, heads closely sessile, subglobose; fls 12–15 mm; cal densely hirsute with ascending hairs, the lobes setaceous, 4–6 mm, exceeding the tube; cor purple, the standard straight, very narrow, acute, much exceeding the wings; 2n=10. Native of s. Europe, intr. as a weed in Va. Summer.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread epizoochory
Mature width (meter) -
Mature height (meter) 0.25 - 0.3
Root system -
Rooting depth (meter) 0.4
Root diameter (meter) 0.3
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Light 5-6
Soil humidity 4-5
Soil texture -
Soil acidity 5-6
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses animal food environmental use fodder forage gene source pasture soil improve
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°) 15 - 24
Size -
Vigor -
Productivity -

Images

Habit

Trifolium hirtum habit picture by Manuel Barón (cc-by-sa)
Trifolium hirtum habit picture by Hanneke de Haan (cc-by-sa)

Leaf

Trifolium hirtum leaf picture by García Rull Elena Cristina (cc-by-sa)
Trifolium hirtum leaf picture by Manuel Barón (cc-by-sa)
Trifolium hirtum leaf picture by Jorge Iglesias (cc-by-sa)

Flower

Trifolium hirtum flower picture by cio leon (cc-by-sa)
Trifolium hirtum flower picture by irene zm (cc-by-sa)
Trifolium hirtum flower picture by Julián Díaz (cc-by-sa)

Fruit

Trifolium hirtum fruit picture by Manuel Barón (cc-by-sa)
Trifolium hirtum fruit picture by Fernando Ruiz (cc-by-sa)
Trifolium hirtum fruit picture by Fernando Ruiz (cc-by-sa)

Distribution

Trifolium hirtum world distribution map, present in Albania, Armenia, Australia, Azerbaijan, Bulgaria, Belarus, Cyprus, Algeria, Spain, France, Greece, Iran (Islamic Republic of), Iraq, Italy, Jordan, Lebanon, Morocco, New Zealand, Portugal, Russian Federation, Syrian Arab Republic, Tunisia, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:523218-1
WFO ID wfo-0000213008
COL ID 58PVF
BDTFX ID 69130
INPN ID 127333
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Trifolium pictum Trifolium lasiocephalum Trifolium hirsutum Trifolium hispidum Trifolium laguroides Trifolium hirtum var. pictum Trifolium hirtum var. pygmaeum Trifolium hirtum