''Plagiobothrys acanthocarpus'' is a species of flowering plant in the

borage family Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees, and herbs in 146 to 154 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

known by the common name adobe popcornflower. It is native to

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

and northwestern sections of Mexico, where it can be found in moist areas on clay soil, such as

vernal pool Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the saf ...

s. It is an annual herb with a spreading or erect stem 10 to 40 centimeters in length. The leaves are linear or lance-shaped to oblong and several centimeters in length. The plant is coated in rough hairs. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

is a series of tiny flowers, each with a yellow-throated, five-lobed white corolla less than 3 millimeters wide. The nutlets are covered in long prickles with some bristles between.

External links

Calflora Database: ''Plagiobothrys acanthocarpus'' (Adobe allocarya, Adobe popcornflower)Jepson Manual eFlora (TJM2) treatment of ''Plagiobothrys acanthocarpus''UC Photos gallery of ''Plagiobothrys acanthocarpus''
acanthocarpus Flora of California Flora of Baja California Natural history of the California chaparral and woodlands Natural history of the Central Valley (California) Natural history of the Santa Monica Mountains Flora without expected TNC conservation status {{Boraginoideae-stub