Stephanomeria pauciflora
Stephanomeria pauciflora (Torr.) A.Nelson

Stephanomeria pauciflora 是菊科(Asteraceae)的一種多年生草本植物,又名 brownplume wirelettuce,原產於美國西南部與墨西哥北部。其特徵為具堅硬、多分枝的莖,葉多數為基生,開花時枯萎。花頭單生於枝端,每頭含 3 至 6 個花,果實為具絨毛狀冠毛的瘦果,冠毛通常為棕色,偶為白色。染色體數為 2n = 16。
Description
Stephanomeria pauciflora 是菊科(Asteraceae)的一種多年生草本植物,又名 brownplume wirelettuce,原產於美國西南部與墨西哥北部。其特徵為具堅硬、多分枝的莖,葉多數為基生,開花時枯萎。花頭單生於枝端,每頭含 3 至 6 個花,果實為具絨毛狀冠毛的瘦果,冠毛通常為棕色,偶為白色。染色體數為 2n = 16。
Distribution
Wyoming · New Mexico · Colorado · Oklahoma · Sonora · Baja California · Kansas · Utah · Arizona · Texas · Chihuahua · California · Nevada · Mexico Northeast · Mexico Northwest · Oregon
Synonyms
Stephanomeria pauciflora var. paucifloraLygodesmia paucifloraJamesia paucifloraPtiloria lygodesmoidesPtiloria cinereaStephanomeria lygodesmoidesPtiloria paucifloraPtiloria divaricataPrenanthes paucifloraStephanomeria cinereaStephanomeria haleyiStephanomeria pauciflora var. parishiiStephanomeria lygodesmoides

