Difference between revisions of "Lasthenia ornduffii"
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Revision as of 16:16, 17 December 2019
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
Discussion
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.
Selected References
None.