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Sericocarpus rigidus
Also called Columbia White Top Aster, Columbia White Topped Aster, Rigid White Topped Aster, Whitetop Aster, White Top Aster
Sericocarpus rigidus is a species of flowering plant in the family Asteraceae known by the common name Columbian whitetop aster. It is native to the Pacific Northwest of North America, where it is known from southern Vancouver Island in British Columbia south along the coast to Washington and Oregon.
This rhizomatous perennial herb grows up to about 37 centimeters tall. Leaves along the stem are somewhat oval in shape and up to 6 centimeters long. The inflorescence has clusters of flower heads each up to about a centimeter long. Each contains white or off-white disc florets and usually a few white ray florets.
Narrowleaf whitetop aster · Dixie whitetop aster · Whitetop aster
Text excerpted from the Wikipedia article Sericocarpus rigidus by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
