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Roundleaf oxytheca

Oxytheca perfoliata

Also called Round Leaf Puncturebract, Desert Saucers, Perfoliate Oxytheca

Roundleaf oxytheca
Photo: Stan Shebs, CC BY-SA 3.0
Family
Polygonaceae (Buckwheat family)
Grows as
Annual
Native range
SW. U.S.A.
Climate
desert or dry shrubland

About

Oxytheca perfoliata is a species of flowering plant in the buckwheat family known by the common names round-leaf puncturebract and roundleaf oxytheca. It is native to the southwestern United States, where it is a common plant of the deserts and some woodland and valley areas. It is an annual herb producing a leafless stem up to about 20 centimeters in maximum height in the spring; during the winter the plant is a small rosette of oblong or spoon-shaped leaves a few centimeters wide. The plant is red-veined green, or often brown to maroon or magenta in color. The inflorescence atop the stem is punctuated by nodes at which the bracts are fused to form a cup or band up to about 2.5 centimeters wide. At the end of each branching of the stem is a similar cup of bracts partially fused around a cluster of flowers. The bracts are tipped in spinelike awns.

Other Oxytheca plants

Oxytheca

Text excerpted from the Wikipedia article Oxytheca perfoliata 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.

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