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Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Hirschfeldia
H. incana
Binomial name
Hirschfeldia incana
  • Brassica geniculata
  • Brassica incana
  • Hirschfeldia adpressa
  • Sinapis incana

Hirschfeldia incana (formerly Brassica geniculata) is a species of flowering plant in the mustard family known by many common names, including shortpod mustard, buchanweed, hoary mustard[1] and Mediterranean mustard.[2] It is the only species in the monotypic genus Hirschfeldia, which is closely related to Brassica.[3] The species is native to the Mediterranean Basin but it can be found in many parts of the world as an introduced species and often a very abundant noxious weed.[4] This mustard is very similar in appearance to black mustard, but is generally shorter.[5] It forms a wide basal rosette of lobed leaves which lie flat on the ground, and it keeps its leaves while flowering.[6] Its stem and foliage have soft white hairs. Unlike black mustard, H. incana is a perennial plant.[5]

Its leaves are edible and traditionally were used in some areas as a leaf vegetable.[7]


  1. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. ^ "Hirschfeldia". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 12 January 2018.
  3. ^ Warwick, S., et al. Guide to Wild Germplasm of Brassica and Allied Crops (tribe Brassiceae, Brassicaceae). 2nd Edition. Agriculture & Agri-Food Canada.
  4. ^ PIER Weeds of the Pacific.
  5. ^ a b Identification: B. nigra v. H. incana
  6. ^ Hirschfeldia incana. Jepson Manual Treatment.
  7. ^ PFAF Hirschfeldia incana