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Hesperidanthus barnebyi
Also called Barneby Reed Mustard, Syes Butte Plainsmustard
Hesperidanthus barnebyi, syn. Schoenocrambe barnebyi, is a species of flowering plant in the mustard family, known by the common names Barneby reed-mustard, Syes Butte plainsmustard, and Barneby thelypody. It is endemic to Utah in the United States, where it is known only from Emery and Wayne Counties. It is threatened by habitat degradation and destruction. It is federally listed as an endangered species of the United States.
This is a perennial herb with multiple erect stems growing 10 to 38 centimeters tall from a caudex. The leaves are oblong or oval in shape with smooth or slightly toothed edges, the blades measuring up to 5 centimeters in length. The inflorescence is a raceme of mustardlike flowers. Each flower has green or purple sepals and four white or pale purple petals with purple veining, each petal measuring about a centimeter long.
Clay Reed Mustard · Jaeger's Caulostramina · Slim Leaf Plains Mustard · Shrubby Reed Mustard · Waxfruit Mustard
Text excerpted from the Wikipedia article Hesperidanthus barnebyi 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.
