Thelypodium laciniatum

Thelypodium laciniatum is a species of flowering plant in the mustard family known by the common name cutleaf thelypody.[1] It is native to western North America, particularly the Great Basin and surrounding plateau and foothill habitat, where it grows on dry rocky cliffs and hillsides in sagebrush and scrub, usually below 2,400 metres (8,000 ft) elevation.[2][3]

Thelypodium laciniatum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Thelypodium
Species:
T. laciniatum
Binomial name
Thelypodium laciniatum

Description

Thelypodium laciniatum is a biennial herb which grows from a taproot resembling a radish.[4] It produces many erect stems, sometimes exceeding one meter in height. The stems are hairless, solid, and often waxy in texture. The thick green basal leaves have blades divided into several lance-shaped lobes or segments;[4] leaves higher on the plant are smaller and less divided.

The large inflorescence is a dense, spikelike raceme of mustardlike flowers with four sepals and four petals, which are both whitish or pale lavender; they bloom in early summer.[4] The fruit is a narrow, cylindrical silique up to 10 to 14 centimeters long. In fruit the raceme is covered in the siliques, which curve or stick straight out like whiskers.[5][6][7]

References
  1. USDA, NRCS (n.d.). "Thelypodium laciniatum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  2. Sullivan, Steven. K. (2020). "Thelypodium laciniatum". Wildflower Search. Retrieved 2020-05-31.
  3. USDA, NRCS. (2020). "Thelypodium laciniatum". The PLANTS Database. National Plant Data Team, Greensboro, NC 27401-4901 USA. Retrieved 2020-05-31.
  4. Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 88. ISBN 0-87842-280-3. OCLC 25708726.
  5. Klinkenberg, Brian, ed. (2020). "Thelypodium laciniatum". E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. Retrieved 2020-05-31.
  6. Giblin, David, ed. (2020). "Thelypodium laciniatum". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2020-05-31.
  7. "Thelypodium laciniatum". in Jepson Flora Project (eds.) Jepson eFlora. Jepson Herbarium; University of California, Berkeley. 2020. Retrieved 2020-05-31.
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