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Thelypodium eucosmum
Also called Arrow Leaf Thelypody
Thelypodium eucosmum is a species of flowering plant in the mustard family known by the common names arrow-leaf thelypody and world thelypody. It is endemic to Oregon in the United States, where it is known from Grant and Wheeler Counties. There are also historical records of the plant from Baker County.
This species is a biennial or short-lived perennial herb. It produces an erect, branching stem which can reach a meter in height. The basal leaves are lance-shaped or sometimes oval in shape and are borne on a short petiole. The leaves higher on the stem are smaller and have no petiole. They may clasp the stem or may be arrowhead-shaped, with projections extending around the stem. The inflorescence is a raceme of many flowers with purple petals. The fruit is a silique up to 6.5 centimeters long.
Shortpod thelypody · Crisped thelypody · Nodding thelypody · Howell's thelypody · Entireleaved thelypody · Cutleaf thelypody · Droopflower thelypody · Manyflower thelypody · Slenderpetal thelypody · Thelypody
Text excerpted from the Wikipedia article Thelypodium eucosmum 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.
