Deinandra mohavensis

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

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.

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]

References

  1. 1 2 Jepson eFlora: Deinandra mohavensis . accessed 4.15.2015
  2. 1 2 3 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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