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Tropidocarpum gracile
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Tropidocarpum

2-4, See text.

  • Agallis Phil.
  • Twisselmannia Al-Shehbaz

Tropidocarpum is a genus of flowering plants in the mustard family. There are two to four species, one of which is extremely rare. Tropidocarpum capparideum, the caper-fruited tropidocarpum, is a plant endemic to California generally considered to be extinct since the 1950s, but has been reported since. Specimens were collected at Fort Hunter Liggett, California, in 2000 and 2001. Its status is currently in debate. The other member of the genus, the dobie pod, T. gracile, is a common mustardlike plant in California and Baja California. It is proposed that two other plants in separate monotypic genera, Twisselmannia and Agallis, be moved to Tropidocarpum.


Accepted species as of March 2014:[1]


  • Al-Shehbaz, I. A. (2003). A synopsis of Tropidocarpum (Brassicaceae). Novon 13:4 392-5

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