Lasthenia californica
Lasthenia ornduffii
California goldfields, goldfields, slender goldfields
large-flower goldfields, Ornduff's goldfields, Ornduff's lasthenia
erect or decumbent, branched proximally or distally, ± hairy.
decumbent, branched proximally, ± hairy throughout, more so distally.
linear to oblanceolate or oblong, 8–210 × 1–5.5(–15) mm, (± fleshy in coastal forms) margins entire or with 3–5+ teeth, faces glabrous or ± hairy.
linear to oblong, 6–40 × 1.8–5(–18) mm, (± fleshy) margins entire or with 3–5+ teeth, faces glabrous or ± hairy.
campanulate to depressed-hemispheric or hemispheric, 5–14 mm.
campanulate to depressed-hemispheric, 5–14 mm.
conic, muricate, glabrous.
conic, muricate, glabrous.
6–16;
laminae linear to oblong, 5–18 mm.
8–15;
laminae elliptic to oblong, 5–9(–13.4) mm.
(persistent or falling with cypselae) 4–16 (in 1–2 series), elliptic to ovate or lanceolate to oblong, hairy.
(± persistent) 8–14 (in 2 series), elliptic to ovate, ± hairy.
black to gray or silver-gray, linear to narrowly clavate, to 4 mm, glabrous or hairy;
pappi 0, or of 1–7 translucent (rarely opaque), brown (rarely white), linear to subulate, aristate scales.
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).
appendages deltate to sublanceolate.
appendages deltate to sublanceolate.
= 32.
Lasthenia californica
Lasthenia ornduffii
Subspecies 3 (3 in the flora).
Plants of Lasthenia californica, especially those in coastal populations, have the largest, showiest heads in the genus. Report of L. californica from Massachusetts was not confirmed for this study
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Annuals; coastal or inland; n California, s Oregon | subsp. californica |
1. Perennials (sometimes flowering first year); coastal; California | → 2 |
2. Roots fleshy, clustered; stems erect, branched distally; leaf blades 1–2+ mm wide | subsp. bakeri |
2. Roots usually not fleshy or clustered; stems decumbent, branched proximally; leaf blades 1.5–5.5(–15) mm wide | subsp. macrantha |
CA
OR
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
