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 Flower stalk Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) |  Plant Desert Botanical Gardens Herbarium Collection, Usage rights: Attribution-Non-Commercial(CC BY-NC) |  Bracts Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) | | | |
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Origin:
Native
Life Cycle:
Biennial or annual Similar Species: A. arenosus
General Desc:
Usually simple stems, sometimes branched above the middle; may have long rhizomes; ray flowers pinkish-purple or blue, disc flowers yellow; herbage slightly hairy to no hairs.
Identification notes: Annuals or biennials, stems spreading, at least above the middle; ray flowers pinkish-purple or blue, 16 to 30 sometimes 54, narrow; phyllaries (bracts at base of flower head) unequal, 25 to 45 in 3 to 5 series, often purple tinged.
Height:
6 to 20 inches or more
Habitat Description: Marshy habitats, roadsides, lawns, waste places.
Plant Communities:
Riparian, Disturbed Areas
Elevation: 3000 - 4000 feet
Color:
Pinkish purple, blue
Shape:
Daisy or dandelion-like in elongated clusters
Tubular:
N
Flowering Period:
Jul - Sep
Description:
Heads of ray and disc flowers in clusters of 1 to many; ray flowers pinkish-purple or blue; disc flowers yellow, numbering 30 to 50; bracts (phyllaries) 25 to 45 in 3 to 5 series and commonly with thin transparent margins.
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Toothed
Leaf Attachment:
Alternate
Leaves Clasp:
N
Hairs:
Stems
Spines:
N
Leaf Description:
Narrow basal leaves, sparsely hairy, leaves to 4 inches long and 1/2 inch wide, margins smooth or somewhat toothed; leaves slightly stemmed or sessile; leaf stems if present are winged.
Fruit Color: Light brown to purple
Fruit Type: Achene
Fruit Notes: Narrowly oval to spindle shaped, slightly compressed, up to 1/8 inch long, with a single seed. 5-ridged (nerved) with sparsely stiff hairs on faces. Topped with sub-equal fine bristles.
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