Lasthenia glabrata
Lasthenia fremontii
yellow ray goldfields
Fremont's goldfields, vernal pool goldfields
erect, branched distally, glabrous or slightly hairy.
erect, branched proximally, glabrous proximally, ± hairy distally.
linear or subulate, 40–150 × 2–3+ mm, margins entire, faces glabrous.
linear, 10–60 × 1–2+ mm (simple blades or single lobes), margins entire or with 1–3 pairs of linear lobes, faces glabrous or sparsely hairy.
hemispheric, 5–10 mm.
hemispheric or obconic, 4–7.5 mm.
± conic, papillate, glabrous or sparsely hairy.
dome-shaped, muricate, hairy.
7–15; (corollas yellow) laminae oblong, 4–14 mm.
6–13;
laminae oblong to oval, 5–7 mm.
10–14, ± lanceolate (distinct tips ± deltate), glabrous but for apices.
8–16 (distinct), ovate, hairy.
gray, clavate or obovoid, 2–3.5 mm, margins not ciliate, faces glabrous, or hairy and papillate (papillae rusty or yellowish, wartlike);
pappi 0.
black or gray, clavate, to 1.5 mm, usually scabrous, rarely glabrous;
pappi usually of (3–)4(–5) subulate, aristate scales plus 3–5+ shorter, ± subulate scales or teeth, rarely of aristate scales only, or 0.
appendages deltate or broadly ovate.
appendages linear to narrowly ovate.
= 12.
Lasthenia glabrata
Lasthenia fremontii
Subspecies 2 (2 in the flora).
Historically, aboriginal Californians used fruits and leaves of Lasthenia glabrata for food. The subspecies are allopatric and almost identical except for their cypselae.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Pappose and epappose plants of Lasthenia fremontii sometimes occur together. The ranges of L. fremontii and L. conjugens overlap slightly; the two species sometimes occur together.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Cypselae glabrous, not papillate | subsp. glabrata |
1. Cypselae ± hairy and papillate | subsp. coulteri |
CA
WildflowerSearch
iNaturalist
USDA Plants Database
