Opera Bot. 104: 147. 1991.
Annuals or perennials, 20–50 cm; taprooted. Stems loosely and densely woolly-tomentose (hairs usually with reddish or purplish cross-walls), not glandular. Leaf-blades linear-oblanceolate to linear-lanceolate, 2–6 cm × 2–7 mm, bases not clasping, decurrent 3–15 (–20) mm, margins weakly and narrowly revolute, faces concolor to weakly bicolor, tomentose (hairs commonly with reddish or purplish cross-walls), not glandular. Heads borne singly or in terminal glomerules or corymbiform arrays. Involucres turbinate-campanulate, 5–6 mm. Phyllaries in 4–5 series, usually brownish to tawny, rarely slightly rosy (opaque, shiny), ovatelanceolate to lanceolate, glabrous. Pistillate florets (25–) 30–49. Bisexual florets (1–) 3–6. Cypselae ridged, papillate-roughened.
Phenology: Flowering Aug–Sep.
Habitat: Open woodlands and chaparral [wide ranging habitats in Mexico, agricultural land to oak and pine woodlands]
Elevation: 1600–2300 m
Ariz., Tex., w Mexico
Pseudognaphalium arizonicum is superficially similar to P. stramineum in its narrow, concolor leaves; P. stramineum has non-decurrent leaves, light yellowish phyllaries, and more pistillate and bisexual florets.