Deinandra bacigalupii

Deinandra bacigalupii (sometimes misspelled bacigalupi) is a rare species of flowering plant in the aster family, Asteraceae, known by the common names Livermore tarplant and Livermore moonshine. It is endemic to Alameda County, California, where there are only about five known occurrences around Livermore.[1][2] It grows in open areas with alkali soils, such as alkali sinks and meadows.[3] This plant was previously included within Deinandra increscens ssp. increscens, but it was separated and elevated to species level in 1999.[4]

Deinandra bacigalupii

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

This is an annual herb producing a solid stem 10 to 40 centimetres (4 to 16 in) tall. The hairy, glandular leaves have narrow linear or lance-shaped blades with smooth or lobed edges. The inflorescence is a cluster of flower heads each surrounded by the upper bracts on the stem branches. The head contains 6 to 9 lobed yellow ray florets, each a few millimeters long, and several yellow disc florets with yellow or brown anthers.[3]

References
  1. California Native Plant Society Rare Plant Profile
  2. Calflora taxon report, University of California, Deinandra bacigalupii B.G. Baldwin, Livermore moonshine, Livermore tarplant
  3. Flora of North America
  4. Baldwin B. G. (1999). Deinandra bacigalupii (Compositae-Madiinae), a new tarweed from eastern Alameda county, California. Madroño 46:1 55-57.


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