Deinandra mohavensis

Deinandra mohavensis (syn. Hemizonia mohavensis) is a species of flowering plant in the aster family known by the common name Mojave tarplant, or Mojave tarweed.

Deinandra mohavensis

Imperiled  (NatureServe)
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Subfamily:
Asteroideae
Tribe:
Heliantheae
Genus:
Deinandra
Species:
D. mohavensis
Binomial name
Deinandra mohavensis
(D.D.Keck) B.G.Baldwin
Synonyms

Hemizonia mohavensis D.D.Keck

Distribution

The plant is endemic to California. It has a disjunct distribution, occurring in the southernmost Sierra Nevada, the Mojave Desert, the Peninsular Ranges, and possibly the San Bernardino Mountains.[1][2][3] It grows in moister areas in chaparral and riparian zone habitat.[4]

Description

Deinandra mohavensis is an annual herb growing 10-100 centimeters (4-40 inches) tall. The stems are hairy and glandular. The leaves are bristly and glandular and smooth-edged or serrated on the edges.[2]

The flower heads are borne in clusters or somewhat open arrangements. The heads are lined with very glandular phyllaries. Each contains five yellow ray florets, each about half a centimeter long, and six yellow disc florets.[1][2]

Conservation

This plant was considered extinct for over 50 years because its historical populations had disappeared. It was rediscovered in 1994 in the San Jacinto Mountains.[5]

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References
  1. Jepson eFlora: Deinandra mohavensis . accessed 4.15.2015
  2. Deinandra mohavensis. Flora of North America.
  3. Calflora taxon report, University of California, Deinandra mohavensis (Keck) B.G. Baldwin, Mojave tarplant
  4. Hemizonia mohavensis The Nature Conservancy.
  5. Hemizonia mohavensis. Center for Plant Conservation.
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