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Lepidium barnebyanum
Also called Barneby Ridge Cress, Peppercress
Lepidium barnebyanum is a rare species of flowering plant in the family Brassicaceae known by the common names Barneby's pepperweed, Barneby's pepper-grass, and Barneby's ridge-cress. It is endemic to Utah, where there is a single population in Duchesne County. It is a federally listed endangered species of the United States.
This is a clumpy perennial herb with a woody caudex at the base layered with new leaves and the remains of previous seasons' leaves. The stems grow less than 20 centimeters tall. The leaves are linear in shape and one half centimeter to eight centimeters in length. Most are at the caudex and there are a few smaller ones higher on the stems. The inflorescence is a raceme of many white, cream, or yellowish flowers. Blooming occurs in April and May through June.
African pepperwort · Waitakere Scurvy Grass · Waianae Range pepperwort · Lepidium aschersonii · Southern pepperwort · Coastal peppercress · Field pepperweed · Creeping Watercress · Common pepperweed · Alkali pepperweed · Wartcress · Hoary cress
Text excerpted from the Wikipedia article Lepidium barnebyanum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
