Madroño 48: 209. 2002.
Perennials, 4–28 cm. Stems decumbent, branched proximally, ± hairy throughout, more so distally. Leaves linear to oblong, 6–40 × 1.8–5 (–18) mm, (± fleshy) margins entire or with 3–5+ teeth, faces glabrous or ± hairy. Involucres campanulate to depressed-hemispheric, 5–14 mm. Phyllaries (± persistent) 8–14 (in 2 series), elliptic to ovate, ± hairy. Receptacles conic, muricate, glabrous. Ray-florets 8–15; laminae elliptic to oblong, 5–9 (–13.4) mm. Anther appendages deltate to sublanceolate. Cypselae silver-gray, linear to narrowly clavate, to 4 mm, glabrous; pappi 0, or of 1–4 translucent, brown, subulate, aristate scales (often variable within heads). 2n = 32.
Phenology: Flowering year round (mostly May–Aug).
Habitat: Coastal bluffs
Elevation: 0–500 m
Of conservation concern.
Lasthenia ornduffii is known only from six or so populations in grasslands along the immediate coast in Curry County. The plants are usually scapiform.