Flora of North America species comparison

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Lasthenia glaberrima

rayless goldfields, smooth goldfields, smooth lasthenia
Habit Annuals, to 35 cm.
Stems

erect or sprawling, branched distally, glabrous.
Leaves

linear, 30–100 × 2–4(-6+) mm, (bases often connate and sheathing, apices blunt) margins entire, faces glabrous.
Involucres

hemispheric or campanulate, 5–7 mm.
Receptacles

conic, papillate, glabrous.
Ray florets

6–13; (corollas pale yellow) laminae ovate-elliptic, (0–)0.5–2 mm.
Phyllaries

5–10, ± lanceolate, hairy.
Cypselae

grayish, somewhat flattened, ± linear, to 4 mm, hairy;

pappi of 5–10 subulate to lanceolate, often fimbriate, laciniate, or aristate scales.
Anther

appendages oblong or obovate.
2n

= 10.

Lasthenia glaberrima
Phenology Flowering Mar–Jul.
Habitat Vernal pools, wet meadows
Elevation 0–1400 m (0–4600 ft)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 344.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Baeriinae > Lasthenia > sect. Lasthenia
Sibling taxa
L. burkei, L. californica, L. chrysantha, L. conjugens, L. coronaria, L. debilis, L. ferrisiae, L. fremontii, L. glabrata, L. gracilis, L. leptalea, L. maritima, L. microglossa, L. minor, L. ornduffii, L. platycarpha
Name authority de Candolle: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 664. (1836)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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