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Sidotheca
Sidotheca, commonly known as starry puncturebract, is a genus of flowering plants belonging to the family Polygonaceae. It comprises three species, all of which are annuals that grow in rocky, montane habitats in California and northwestern Mexico. These species were previously placed in the genus Oxytheca, but Sidotheca has been treated as a distinct genus since 2004.
Species in the genus Sidotheca are native to southern California and northwestern Mexico. The most widespread of the species is S. trilobata, which grows through the Transverse Ranges and southward into Baja California at elevations of 700–2100 m. The other two species grow are endemic to California: S. caryophylloides grows in the Transverse Ranges and the southern Sierra Nevada at elevations of 1300–2600 m, and S. emarginata is endemic to Riverside County, California, where it grows in the San Jacinto Mountains and Santa Rosa Mountains at elevations of 1200–2500 m.
Text excerpted from the Wikipedia article Sidotheca by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
