Rounded, much-branched, and bushy shrubs reach 8–24 inches tall and wide (20–60 cm); branches green, stiff, broom-like. Note the thin, filament-like leaves and flower heads with yellow disk florets only.

FLOWERS: Blooms year around depending on rain. Single flower heads on branch tips with 40–80 tiny disk florets. Phyllaries 7–9, greenish-yellow, linear, with 2 rows of dark linear oil glands; tips pointed. Pappus hairs yellowish.

LEAVES: Alternate; blades filament-like, rounded, to 1 5/8 inches long (4 cm); spotted with small dark glands, tips pointed.

HABITAT: Arid, rocky washes, plains, slopes; desert grasslands and scrub, foothills.

ELEVATION: 4,400–6,000 feet (1341–1829 m).

RANGE: AZ, NM, TX; Mexico.

SIMILAR SPECIES: Slender Poreleaf, P. gracile, in sw NM, has heads with whitish to purplish florets and 5 phyllaries.

NM COUNTIES: Southern NM in low-elevation, desert habitats: Dona Ana, Eddy, Hidalgo, Luna, Otero, Sierra, Socorro.