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 Leaves and plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) |  Plant Arizona State University Vascular Plant Herbarium, Usage Rights: CC BY-NC (Attribution-Non-Commercial) |  Fruit Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) | | | |
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Origin:
Native
Life Cycle:
Annual, biennial or perennial
General Desc:
Annual to short-lived perennial; stems solitary to few, erect; herbage not hairy; tap-rooted; basal and stem leaves pinnatifid (divided into (comb-like), margins); flowers yellow, small, 4-petaled; flower stems dense in flower elongating in fruit.
Identification notes: Plants rarely hairy; upper leaves stemmed, leaves pinnately lobed; sepals <1/2 and petals <1/2 inch long; petals rounded to spatula-like, longer than the sepals; fruits greater than 3x longer than wide (siliques), often curved.
Height:
11 to 22 inches
Habitat Description: Wet pastures, moist fields, ponds, ditches, meadows.
Plant Communities:
Riparian, Disturbed Areas
Elevation: 5600 - 7600 feet
Color:
Yellow
Shape:
Regular in elongated clusters
Tubular:
N
Flowering Period:
Jun - Aug
Description:
Flower stems elongate in fruit; flower stems s-curved, horizontally spreading to infrequently slightly bending downward; sepals lance-like; petals somewhat rounded; nectar glands confluent, often subtending bases of stamens.
Leaf Color:
Bright green
Leaf Type:
Simple
Leaf Shape:
Pinnatifid
Leaf Margin:
Dissected
Leaf Attachment:
Basal and alternate
Leaves Clasp:
N
Hairs:
No
Spines:
N
Leaf Description:
Leaves basal and on stems, narrower at attachment, 2 to 5 inches long, up to 1 inch wide, pinnately divided to comb-like margins, lobes often toothed, the terminal lobe narrow, the tip rounded; blades stalked, not clasping.
Fruit Type: Pod
Fruit Notes: Fruit more than 3x longer than wide and splits open longitudinally when mature (silique), elongated, rounded in cross-section, <3/4 inch long, straight to slightly curved inward.
Seed Notes: Seeds 20 to 80 per pod.
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