Perityle lineariloba Rydb.

Perityle lineariloba Rydberg, sp. nov
A suffruticose perennial; stems decumbent, about 3 dm. long; branches grayish-puberulent; leaves mostly opposite; petioles slender, 1-2 cm long; blades 2-3 cm. long, very thin, triangular in outline, pinnately 3-5-divided, finely puberulent and slightly glandular-granulif erous ; divisions entire, linear or nearly so, or cleft into linear divisions; peduncles slender, 5-10 cm. long; involucre hemispheric or slightly turbinate, 4 mm-, high, 5-7 mm. broad; bracts puberulent, lanceolate, acute; ray-flowers 10-15; ligules white, oblong, 4 mm. long; disk-corollas 2 mm. long; tube slightly shorter than the cylindro-campanulate throat; style-appendages short-subulate; achenes oblong-obovate, 1.5 mm. long, pubescent on the faces and the callous margins; pappus of a crown of lanceolate squamellae and one minute awn not more than twice as long as the hairs.
Type collected at San Ramon, Durango, April 21-May 18, 1906, Edward Palmer 89 (herb. N. Y. Bot. Card.).

Perityle lineariloba là một loài thực vật có hoa trong họ Cúc. Loài này được Rydb. mô tả khoa học đầu tiên năm 1914.