Lepidium
| Lepidium | |
|---|---|
 
 | |
| Lepidium flavum | |
| Scientific classification  | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Rosids | 
| Order: | Brassicales | 
| Family: | Brassicaceae | 
| Genus: | L. (1753)  | 
| Species[1] | |
| 
 265, see text  | |
| Synonyms[1] | |
| 
 Synonymy 
  | |
Lepidium is a genus of plants in the mustard/cabbage family, Brassicaceae. The genus is widely distributed in the Americas, Africa, Asia, Europe, and Australia.[2] It includes familiar species such as garden cress, maca, and dittander. General common names include peppercress, peppergrass, pepperweed, and pepperwort. Some species form tumbleweeds.[3] The genus name Lepidium is from Greek meaning 'small scale', which is thought to be derived from a folk medicine usage of the plant to treat leprosy, which cause small scales on the skin. Another meaning is related to the small scale-like fruit.[4]
Species



Plants of the World Online accepts 265 species in the genus.[1] 10 species are found in California.[4]
Species include:
- Lepidium africanum
 - Lepidium amelum
 - Lepidium amissum de Lange & Heenan - Waitakere scurvy grass (New Zealand); extinct
 - Lepidium aretioides (Hedge) Al-Shehbaz
 - Lepidium armoracia Fisch. & C.A. Mey. 1843
 - Lepidium apetalum Willd. – du xing cai (Pinyin, China)[5]
 - Lepidium arbuscula
 - Lepidium aschersonii Thell. – spiny peppercress
 - Lepidium austrinum Small – Southern Pepperweed
 - Lepidium banksii
 - Lepidium barnebyanum
 - Lepidium biplicatum
 - Lepidium bonariense – peppercress
 - Lepidium campestre – field pepperwort, field cress
 - Lepidium catapycnon
 - Lepidium coronopus – swine cress
 - Lepidium davisii – Davis' peppergrass[6]
 - Lepidium densiflorum – common pepperweed
 - Lepidium desvauxii – bushy peppercress
 - Lepidium dictyotum
 - Lepidium didymum
 - Lepidium draba – hoary cress
 - Lepidium drummondii
 - Lepidium echinatum
 - Lepidium ecuadoriense
 - Lepidium englerianum
 - Lepidium fasciculatum – bundled peppercress
 - Lepidium flavum
 - Lepidium flexicaule
 - Lepidium foliosum – leafy peppercress
 - Lepidium fremontii – desert pepperweed
 - Lepidium genistoides
 - Lepidium ginninderrense
 - Lepidium graminifolium
 - Lepidium howei-insulae – mustard & cress
 - Lepidium hypenantion
 - Lepidium hyssopifolium
 - Lepidium heterophyllum – Smith's pepperwort, Smith's cress
 - Lepidium jaredii – Jared's pepperweed
 - Lepidium lasiocarpum
 - Lepidium latifolium – pepperweed, dittander
 - Lepidium latipes
 - Lepidium lyratogynum
 - Lepidium merrallii
 - Lepidium medocinense (Hauman) Al-Shehbaz
 - Lepidium meyenii (syn. L. peruvianum) – maca
 - Lepidium monoplocoides – winged peppercress
 - Lepidium montanum – western pepperweed, mountain pepperweed
 - Lepidium nanum – dwarf pepperweed
 - Lepidium nesophilum
 - Lepidium nitidum – shining pepperweed
 - Lepidium oblongum
 - Lepidium oleraceum – Cook's scurvy grass (near extinct)
 - Lepidium oxycarpum – forked pepperweed
 - Lepidium oxytrichum
 - Lepidium papilliferum – slickspot peppergrass
 - Lepidium papillosum – warty peppercress
 - Lepidium pedicellosum
 - Lepidium peregrinum
 - Lepidium perfoliatum
 - Lepidium peruvianum
 - Lepidium phlebopetalum
 - Lepidium pholidogynum
 - Lepidium pinnatifidum
 - Lepidium platypetalum – slender peppercress
 - Lepidium pseudohyssopifolium
 - Lepidium pseudoruderale
 - Lepidium pseudotasmanicum
 - Lepidium puberulum
 - Lepidium quitense
 - Lepidium rotundum – veined peppercress
 - Lepidium ruderale – narrow-leaved pepperwort
 - Lepidium sagittulatum
 - Lepidium sativum – garden cress
 - Lepidium scandens
 - Lepidium squamatum
 - Lepidium strictum
 - Lepidium thurberi – Thurber's peppergrass, Thurber's pepperweed
 - Lepidium virginicum – Virginia peppercress
 - Lepidium xylodes
 
See also
- Everitt, J.H.; Lonard, R.L.; Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2
 - "Lepidium". Australian Plant Name Index (APNI). Centre for Plant Biodiversity Research, Australian Government. Retrieved 15 March 2023.
 
References
- ^ a b c Lepidium L. Plants of the World Online. Retrieved 3 April 2024.
 - ^ Lepidium. Flora of North America.
 - ^ Faulkner, H. W. (1917). The Mysteries of the Flowers. Frederick A. Stokes company. p. 238. page 210
 - ^ a b Sia Morhardt and Emil Morhardt California Desert Flowers: An Introduction to Families, Genera, and Species , p. 101, at Google Books
 - ^ Tropicos.org. Missouri Botanical Garden. 20 Dec 2011
 - ^ Hagwood, Sheri. "Sensitive Plants of the JRA" (PDF). Idaho BLM. Archived from the original (PDF) on 3 May 2014. Retrieved 2 May 2014.
 
External links
- "Inland Lepidium recovery plan 2000-2010" (PDF). Department of Conservation, Wellington, New Zealand. 2000. Retrieved 2007-10-04.
 - D.A. Norton; P.J. de Lange (1999). "Coastal Cresses (Nau) Recovery Plan" (PDF). Department of Conservation, Wellington, New Zealand. Retrieved 2007-04-19.
 - Species Profile: Hairy Whitetop (Lepidium appelianum). National Invasive Species Information Center, United States National Agricultural Library.
 
