Malacothrix squalida

Malacothrix squalida is a rare species of flowering plant in the aster family known by the common name Santa Cruz desertdandelion. It is endemic to Santa Cruz and Anacapa Islands, two of the eight Channel Islands of California, where it grows on rocky seaside bluffs and cliffs. The plant is very limited in distribution and today exists only in degraded habitat on these two small islands. It was last collected from Santa Cruz Island in 1968, and two populations were noted on Anacapa Island in 1998; in drought years there may be no plants at all.[1][2] It became a federally listed endangered species in 1997. This is an annual herb growing a hairless, waxy stem 20 to 30 centimeters in maximum height. The leaves are sharply lobed. The inflorescence is an array of flower heads lined with oval-shaped phyllaries. The ray florets are 1 to 2 centimeters and light yellow in color.

Malacothrix squalida

Endangered (ESA)
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Cichorieae
Genus:
Malacothrix
Species:
M. squalida
Binomial name
Malacothrix squalida

References
  1. USFWS. (2000). Thirteen Plant Taxa from the Northern Channel Islands Recovery Plan.
  2. USFWS. (1997). Final Rule for 13 Plant Taxa from the Northern Channel Islands, California. Federal Register 62:147.


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