Douglas' silverpuffs
Microseris douglasii (DC.) Sch.Bip.
Microseris douglasii is a flowering plant in the Asteraceae family, native to western North America, including Oregon, California, and Baja California. It grows in grasslands, vernal pools, and on clay and serpentine soils. The species was published in 1866.
Description
Microseris douglasii is an annual plant, 5-40 cm tall, with a taproot. It has basal leaves with linear to oblanceolate blades, 3-25 cm long, and peduncles that are erect or curved-ascending. Involucres are globose to fusiform, 7-16 mm in size. Phyllaries are lanceolate or deltate, with inner ones often black-villous on margins. Florets are yellow or white, 5-200 in number. Cypselae are columnar or obconic, 3-10 mm long, with pappi of 0-5 aristate scales. Chromosome number is 2n = 18.
Other common names
Douglas' silverpuffs
Distribution
California · Mexico Northwest · Oregon
Synonyms
Microseris leiospermaMicroseris leucocarphaMicroseris proximaMicroseris oliganthaCalais eriocarphaMicroseris atrataMicroseris cyclocarpha var. cyclocarphaMicroseris parvulaMicroseris callicarphaMicroseris melanocarphaMicroseris pictaCalais douglasiiMicroseris conjugensMicroseris cyclocarphaMicroseris insignisMicroseris aliciaeCalais cyclocarphaMicroseris tenuisecta
