Lasthenia maritima
Lasthenia burkei
hairy goldfields, maritime goldfields, maritime or seaside goldfields, seaside goldfields
Burke's baeria, Burke's goldfields
usually prostrate or decumbent, rarely erect, branched proximally, glabrous or hairy at nodes and distally.
erect, branched distally, hairy.
linear to oblanceolate, 10–90 × 2–12 mm, (fleshy) margins entire or lobed, faces glabrous.
linear, 10–50 × 1–2+ mm (simple blades or single lobes), margins entire or pinnately lobed, faces glabrous or ± hairy.
hemispheric, 4–7 mm.
hemispheric or obconic, 4–6 mm.
conic, muricate, glabrous.
conic or dome-shaped, muriculate, glabrous or hairy.
7–12; (corollas light to golden yellow) laminae oblong, 1–3 mm.
8–13;
laminae oblong to oval, to 6 mm.
6–14, lanceolate to ovate, hairy (especially at margins and midribs).
7–16 (distinct), ovate, hairy.
gray, linear to narrowly clavate, (2–)2.5–3 mm, ± hairy;
pappi usually of 4–6(–12) brown, lanceolate or subulate, aristate scales plus 4–5+ shorter, laciniate scales, rarely 0.
black or gray, clavate, to 1.5 mm, hairy;
pappi usually of 1(–2) aristate scales plus 3–6+ shorter, ± subulate scales.
appendages ± oblong, obtuse (style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs).
appendages linear to ± ovate.
= 8.
= 12.
Lasthenia maritima
Lasthenia burkei
Lasthenia maritima is a self-pollinating, “guano endemic” of seabird nesting grounds. It is typically found on offshore islands and rocks from the Farallon Islands, California, to the northern tip of Vancouver Island, British Columbia and rarely occurs on the mainland.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Lasthenia burkei is known only from relatively few populations in the coast ranges north of San Francisco Bay. It is allopatric from other members of Lasthenia sect. Ornduffia. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria 
WildflowerSearch
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USDA Plants Database- LBJ Wildflower Center
- SEINet
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