''Plagiobothrys shastensis'' is an uncommon species of flowering plant in the borage family known by the common name Shasta popcornflower. It is native to southern

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

and northern

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, where it grows in grassland, woodland, and other types of habitat. It is an annual herb growing erect to about 30 centimeters in maximum height. It is coated in hairs. The leaves are located in a basal rosette with a few arranged alternately along the stem. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a straight branch holding paired flowers, rarely coiling at the tip as many other ''Plagiobothrys'' do. Each tiny white flower has a five-lobed corolla no more than 3 millimeters wide. The fruit is a cross-shaped nutlet 2 or 3 millimeters wide divided in half by a rough scar.

External links

Jepson Manual TreatmentPhoto gallery
shastensis Flora of California Flora of Oregon Flora without expected TNC conservation status {{Boraginoideae-stub