Clustered Tarweed

Clustered Tarweed Plant Information


Clustered Tarweed grows in the following 2 states:

California, Massachusetts

Deinandra fasciculata (syn: Hemizonia fasciculata), known by the common names clustered tarweed and fascicled spikeweed, is a species of flowering plant in the daisy family native to western North America.

Deinandra fasciculata is native to Baja California and California (primarily from San Diego County to Monterey County, including several of the Channel Islands; Calflora reports a few collections from the San Francisco Bay area, but these are from urban areas and probably represent cultivated specimens). It is a common member of coastal grassland habitats in the California chaparral and woodlands ecoregion and other habitats.
Deinandra fasciculata is a thin-stemmed branched annual herb growing erect up to 100 cm (40 inches) in height. The upper leaves are narrow, about 1 centimeter long nested against the stem (more like short needles than leaves). The lower leaves are much bigger, up to 15 centimeters (6 inches) long.
Each flower head has a center of six yellowish disc florets with black stamens surrounded by five yellow ray florets. The ray florets generally have three teeth, the central tooth being the smallest.
In this genus the disk flowers are actually big enough to be seen as tiny flowers to the naked eye.

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