Helianthus ciliaris

A low-growing bluish annual that often forms monotypic stands in clayey playas and ephemeral lakes.

Plant habit at Flat Lake, 3 Aug 2007.



A pseudanthium at Flat Lake, 3 Aug 2007.



View of a pseudanthium from below, showing phyllaries, at Flat Lake, 3 Aug 2007.



Achenes at Flat Lake, 3 Aug 2007.

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