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Origin:
Introduced
Life Cycle:
Annual
General Desc:
Stems trail and then ascend. Stems have stiff hairs; leaves have soft short hairs on the underside. Flower head is a round cluster of flowers.
Identification notes: Annual, stems trailing and then ascending, up to about 8 inches long; leaves alternate, 3 leaflets, margins can be serrated; flowers yellow or white in mostly dense head-like clusters; fruit pods small persist on stems.
Height:
To 8 inches
Habitat Description: Prairies and disturbed areas.
Plant Communities:
Desert Scrub, Interior Chaparral, Semidesert Grasslands, Disturbed Areas
Elevation: Not determined
Color:
Yellow, white
Shape:
Irregular in round clusters
Tubular:
Y
Flowering Period:
Mar - May
Description:
Flower head cluster of 8 to 14 flowers; flower with whorl of 5 sepals, lobed, 1/4 inch long; tube 1/16 inch, hairless, lobes unequal; petals to 1/4 inch long; banner not clawed; 2 wings to 1/4 inch long, clawed, clinging to wings; stamens 1/8 inch long.
Leaf Color:
Green
Leaf Type:
Compound
Leaf Shape:
Round or oval
Leaf Margin:
Other
Leaf Attachment:
Alternate
Leaves Clasp:
N
Hairs:
Leaves and stems
Spines:
N
Leaf Description:
Stems < 1/16 inch, stiff hairs; leaves fan outward from end of stem, blades broadly oval or initially folded upward from midrib, 1/4 inch long 1/4 to 1/2 inch wide, base tapered, upper surface hairless, lower surface short hairs, margins can be serrated.
Fruit Type: Pod
Fruit Notes: Oval, opening spontaneously along upper edge to release seeds (dehiscent).
Seed Notes: Smooth, brown or black, 2 to 6 seeds.
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