Scabrethia scabra subsp. attenuata
Phytologia 85: 21. 1999.
Outer phyllaries: chartaceous bases ovate to oblong, 2–4(–6) mm, herbaceous tips ± spreading to erect, attenuate to linear or filiform, 15–30+ mm, margins ± hispid (ciliate), faces glabrous or minutely gland-dotted.
Phenology: Flowering late May–Aug.
Habitat: Desert sands, including dunes, washes, juniper woodlands
Elevation: 1500–1800 m
Ariz., N.Mex., Utah.