Tetradymia spinosa Hooker & Arnott var. longispina M. E. Jones, Proc. Calif. Acad. Sci., ser. 2, 5: 698. 1895; T. longispina (M. E. Jones) Rydberg

Peduncles and phyllaries tomentose to pannose, canescent. Cypselae: hairs 9–14 mm. 2n = 60, 62.

Flowering spring. Sandy soils, creosote bush scrub, Joshua tree woodlands, pinyon-juniper woodlands, sagebrush scrub; 600–1800 m; Calif., Nev., Utah.