Eriogonum twisselmannii

Twisselmann's buckwheat

Family: Polygonaceae · Type: perennial · Native

Conservation status: CNPS 1B.2

Twisselmann's buckwheat is a rare (CNPS 1B.2) California native perennial found in southern Sierra Nevada Mountains near The Needles, Slate Mountain, and Tulare County on rocky terrain at elevations of 2,300 to 2,600 meters. Flowering from June to September, this plant produces pale yellow flowers in compact head-like clusters 0.7 to 1.5 centimeters wide. Growing as a low-spreading mat 3 to 4 meters in diameter with tomentose stems 5 to 12 centimeters tall, it forms a dense ground-hugging formation. Its basal leaves are small and woolly, with blades 5 to 10 millimeters long and 2 to 6 millimeters wide, covered in soft tomentose hair on both surfaces. The fruit is 5 to 5.5 millimeters long, with a sparsely hairy tip.

Habitat: Rocks

Bloom period: Jun-Sep

Elevation: 2300-2600 m

Bioregions: s SNH (The Needles, Slate Mtn, Tulare Co.).

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.