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 Leaves and flowers Sue Carnahan @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial) |  Plant Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) | | | | |
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Origin:
Native
Life Cycle:
Annual
General Desc:
Leaves form as a basal rosette; flower stalks also emerge at ground level. Leaves and flower stalks have a dense covering of short hairs. Some of the hairs have reddish bases; sepals may have glands.
Identification notes: Annual, often develops stout leafy stems; leaves narrow and long, mostly pinnatifid into toothed or rounded lobes; flowers have 4 yellow notched petals that age red, mostly open late afternoon, stigmas have 4 narrow lobes; fruits round in cross-section.
Height:
4 to 8 inches
Habitat Description: Flat desert habitats, including creosote bush scrub, Joshua tree woodland, and Pinyon-juniper woodland.
Plant Communities:
Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: Below 4500 feet
Color:
Yellow, ages red
Shape:
Regular not in clusters
Tubular:
N
Flowering Period:
Mar - May
Description:
Each flower has heart-shaped petals up to 2 inches in length which fade to red with age; opens at dusk and closes the following morning.
Leaf Color:
Green, grayish-green
Leaf Type:
Simple
Leaf Shape:
Pinnatifid
Leaf Margin:
Toothed
Leaf Attachment:
Basal
Leaves Clasp:
N
Hairs:
Leaves and stems
Spines:
N
Leaf Description:
Nearly stemless above ground; blades vary between large and small; 2 inches to 11 inches long; larger blades are 1 to 2-3/4 inches wide; lance-like leaves divided into toothed or rounded lobes, typically narrow.
Fruit Color: Brown
Fruit Type: Capsule
Fruit Notes: Ovary and capsule densely hairy with spreading white hairs; capsules 1 to 1-3/4 inches long; 1/4 inch wide at base; thick and woody; upright and straight; 4-angled; tapering to narrow tip.
Seed Notes: Brown, 1/8 inch.
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