Flora of North America species comparison

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Psathyrotes annua

annual psathyrotes, mealy rosettes, turtleback
Habit Annuals (rarely persisting), 4–15 cm; glandular-pubescent, weakly tomentose, furfuraceous.
Stems

erect and spreading, much branched.
Leaf

blades rounded-deltate to reniform, 4–18 × 6–26 mm, margins of some or all toothed.
Peduncles

1–28 mm.
Involucres

turbinate, 6–9 mm.
Florets

10–21;

corollas yellow, often purplish at tips, 4–5 mm.
Phyllaries

13–19, outer falling or persistent, 5–6, lanceolate to lance-linear, tips erect, inner falling, 8–13, lance-linear, tips erect.
Cypselae

2–3 mm;

pappi of 35–50, subequal bristles in 1 series, 1–4 mm.
2n

= 34.

Psathyrotes annua
Phenology Flowering spring–fall.
Habitat Alkaline soils of washes and playas
Elevation 800–2000 m (2600–6600 ft)
Distribution
from FNA
AZ; CA; ID; NV; UT
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 417.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Psathyrotes
Sibling taxa
P. pilifera, P. ramosissima
Synonyms Bulbostylis annua
Name authority (Nuttall) A. Gray: Smithsonian Contr. Knowl. 5(6): 100. (1853)
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 Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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