Chamaechaenactis scaposa

Family: Asteraceae
Common Name: fullstem
Symbol: CHSC
Description: Plants densely cespitose, pulvinate; taproots deep; caudices thickly branched. Leaves strictly basal (old bases marcescent); longest petioles 3-40 mm, lengths mostly 1-2 times blades, proximally dilated and chartaceous; blades: largest 4-15(-18) 3-13(-15) mm, coriaceous. Peduncles (1-)5-30+, ascending to erect, (0-)1-5(-7) cm, strigose, usually villous (at least distally). Phyllaries: longest 9-17 mm; outer shorter than inner. Corollas 5-9 mm. Cypselae 5-8 mm; pappi: longest scales 4-7 mm. 2n = 32. Flowering late Apr-early Jul. Dry, open, relatively barren silty to clay soils from shale (sometimes petroleum-bearing), sandstone, marl, or limestone, often armored by rocky, sandy, or gravelly overburden, usually in pinyon-juniper woodlands; 1400-2600 m