Plagiobothrys stipitatus
Encyclopedia
Plagiobothrys stipitatus is a species of flowering plant in the borage family
Boraginaceae
Boraginaceae, the Borage or Forget-me-not family, include a variety of shrubs, trees, and herbs, totaling about 2,000 species in 146 genera found worldwide.A number of familiar plants belong to this family....

 known by the common name stalked popcornflower. It is native to Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 and most of California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it grows in vernal pool
Vernal pool
Vernal pools, also called vernal ponds or ephemeral pools, are temporary pools of water. They are usually devoid of fish, and thus allow the safe development of natal amphibian and insect species...

s and similar wet habitat types. It is an annual herb producing a narrow, hollow, erect stem up to half a meter tall. It is coated in rough hairs. The pointed, hairy leaves along the stem are up to 11 centimeters long. The inflorescence
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. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

is a series of five-lobed white flowers 2 millimeters to over one centimeter wide. The fruit is a narrow, ribbed nutlet.

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