Lasthenia maritima

(A. Gray) M. C. Vasey
Madroño 32: 139. 1985.
Common names: Maritime or seaside goldfields
Basionym: Burrielia maritima A. Gray Proc. Amer. Acad. Arts. 7: 358. 1868
Synonyms: Baeria maritima (A. Gray) A. Gray Baeria minor subsp. maritima (A. Gray) Ferris Lasthenia minor subsp. maritima (A. Gray) Ornduff
Treatment appears in FNA Volume 21. Treatment on page 347. Mentioned on page 337, 346.

Annuals, to 25 cm (herbage not sweetly scented). Stems usually prostrate or decumbent, rarely erect, branched proximally, glabrous or hairy at nodes and distally. Leaves linear to oblanceolate, 10–90 × 2–12 mm, (fleshy) margins entire or lobed, faces glabrous. Involucres hemispheric, 4–7 mm. Phyllaries 6–14, lanceolate to ovate, hairy (especially at margins and midribs). Receptacles conic, muricate, glabrous. Ray florets 7–12; (corollas light to golden yellow) laminae oblong, 1–3 mm. Anther appendages ± oblong, obtuse (style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs). Cypselae 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. 2n = 8.

Phenology: Flowering May–Jul.
Habitat: Seabird roosting sites, coastal headlands, offshore rocks, islands
Elevation: 0–100 m



B.C., Calif., Oreg., Wash.


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.

Selected References


Lower Taxa


... more about "Lasthenia maritima"
Raymund Chan +  and Robert Ornduff† +
(A. Gray) M. C. Vasey +
Burrielia maritima +
Maritime or seaside goldfields +
B.C. +, Calif. +, Oreg. +  and Wash. +
0–100 m +
Seabird roosting sites, coastal headlands, offshore rocks, islands +
Flowering May–Jul. +
Baeria maritima +, Baeria minor subsp. maritima +  and Lasthenia minor subsp. maritima +
Lasthenia maritima +
Lasthenia sect. Ptilomeris +
species +