Vicia tetrasperma (L.) Moench

Species

Angiosperms > Fabales > Fabaceae > Vicia

Characteristics

Herbs annual, 20-60 cm tall. Stem climbing, much branched, slender, puberulent. Leaves paripinnate, 2-4 cm; stip­ules sagittate or semitriangular, 2-3 mm; leaflets 2-6-paired, oblong or linear, 6-7 × ca. 3 mm; tendril present. Raceme ca. 3 cm, 1-or 2-flowered. Calyx obliquely campanulate. Corolla pale blue, pale violet, pale rose, or white, 4-8 mm; standard ob­long-obovate; wings subequaling keel. Ovary stalked, oblong, 3-4 mm; ovules 4. Legume oblong, 8-12 × 2-4 mm, glabrous. Seeds 4, oblate-spheroid. Fl. Feb-Aug, fr. Mar-Aug. 2n = 14.
More
Slender annual, climbing or decumbent, 3–6 dm; lfls mostly 2–5 pairs, seldom more, linear-oblong to oblanceolate or narrowly elliptic, 1–2 cm; peduncles 1–3 cm, with 1 or 2(–4) light purple to white fls 3–7 mm; lowest cal-lobe linear, about equaling the tube, the upper much shorter and triangular; style minutely hairy all around near the tip; fr flat, glabrous, with (3)4(–6) seeds; 2n=14. Native of Eurasia, intr. in fields and waste places from Que. to Wis., s. to Fla. and Tex. May–Aug.
Life form annual
Growth form herb
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer
Photosynthetic pathway c3

Environment

Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) -

Usage

Uses forage
Edible leaves seeds shoots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 21 - 40
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Vicia tetrasperma world distribution map, present in China and France

Identifiers

LSID urn:lsid:ipni.org:names:501864-1
WFO ID wfo-0000180171
COL ID -
BDTFX ID 25326
INPN ID 97089
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lathyrus monanthos Vicia pusilla Vicia agrestis Ervilia tetrasperma Ervum glabrum Vicia tetrasperma