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 Flowerheads and leaves Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) |  Plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)biodiversity.org | | | | |
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Origin:
Native
Life Cycle:
Annual
General Desc:
Low, tidy, diffused, much branched annual, stems slender, leafy; leaves fleshy, narrow, usually lemon-scented or spicy-scented, oil glands dot the narrow leaves; flower heads yellow, 1/2 inch wide, ray and disc flowers, flower heads in rounded clusters.
Identification notes: Scented (lemon or spicy) annual emerges after monsoon rains, highly branched; leaves narrow, dotted with glands, 2 to 5 pairs of bristles on margins; bracts 5 to 10; disc flowers 7 to 20, ray 8; achenes topped with scales, sometimes 1 or more bristles.
Height:
1/2 inch to 8 inches
Habitat Description: Dry sandy, gravelly soils, roadsides, disturbed areas; shortgrass prairies, desert grasslands and scrub, pinyon-juniper woodlands and sometime ponderosa pine.
Plant Communities:
Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Disturbed Areas
Elevation: 3500 - 7000 feet
Color:
Yellow
Shape:
Daisy or dandelion-like in round clusters
Tubular:
N
Flowering Period:
Jul - Sep
Description:
Dense flat-topped, rounded clusters; flowers open from center outward; flower heads on 3/8 to 3/4-inch long stems, 8 pointed, petal-like yellow ray flowers, 7 to 20 yellow disc flowers; bracts narrow, gland-dotted, in 1 series of 8 to 10 bracts.
Leaf Color:
Green above, purplish below
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Smooth
Leaf Attachment:
Opposite
Leaves Clasp:
N
Hairs:
No
Spines:
N
Leaf Description:
Leaves opposite, crowded at stem tips, not stalked, gland dotted; blades narrow, 3/8 to 1-3/4 inches long, slightly fleshy with a crease down the middle; margins with 2 to 5 pairs of bristles.
Fruit Type: Achene
Fruit Notes: Achene (1-seeded dried fruit that does not spit open) <1/8 inch long, sparsely hairy; topped with a crown of tiny scales that are sometimes awn-tipped. Each achene is partly wrapped by its adjacent bract (phyllary).
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