Flora of North America species comparison

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Lasthenia glabrata

yellow ray goldfields
Habit Annuals, to 60 cm.
Stems

erect, branched distally, glabrous or slightly hairy.
Leaves

linear or subulate, 40–150 × 2–3+ mm, margins entire, faces glabrous.
Involucres

hemispheric, 5–10 mm.
Receptacles

± conic, papillate, glabrous or sparsely hairy.
Ray florets

7–15; (corollas yellow) laminae oblong, 4–14 mm.
Phyllaries

10–14, ± lanceolate (distinct tips ± deltate), glabrous but for apices.
Cypselae

gray, clavate or obovoid, 2–3.5 mm, margins not ciliate, faces glabrous, or hairy and papillate (papillae rusty or yellowish, wartlike);

pappi 0.
Anther

appendages deltate or broadly ovate.

Lasthenia glabrata
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

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.)
Key
1. Cypselae glabrous, not papillate
subsp. glabrata
1. Cypselae ± hairy and papillate
subsp. coulteri
Source FNA vol. 21, p. 343.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Baeriinae > Lasthenia > sect. Hologymne
Sibling taxa
L. burkei, L. californica, L. chrysantha, L. conjugens, L. coronaria, L. debilis, L. ferrisiae, L. fremontii, L. glaberrima, L. gracilis, L. leptalea, L. maritima, L. microglossa, L. minor, L. ornduffii, L. platycarpha
Subordinate taxa
L. glabrata subsp. coulteri, L. glabrata subsp. glabrata
Name authority Lindley: Edwards’s Bot. Reg. 21: plate 1780. (1835)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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