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Pennellia tricornuta
Also called Rincon Mountain rockcress
Pennellia tricornuta (formerly Arabis tricornuta) is a species of flowering plant in the mustard family known by the common names Rincon Mountain rockcress and Chiricahua rockcress. It is endemic to Arizona in the United States, where it occurs in Cochise, Pima, and Santa Cruz Counties.
This perennial herb grows 15 to 90 centimeters tall. It has lance-shaped, toothed basal leaves up to 9 centimeters long and linear leaves higher on the stem. It produces flowers with lavender petals and green or purple sepals. The fruit is a silique up to 6.5 centimeters long.
Text excerpted from the Wikipedia article Pennellia tricornuta 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.
