Flora of North America species comparison

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Baileya pleniradiata

woolly desert marigold, wooly marigold
Habit Plants mostly 15–45 cm.
Leaves

basal rosettes not persistent;

basal leaves mostly 2–7 × 0.5–2.5 cm;

petioles 1–3 cm;

blades oblanceolate, often pinnately lobed;

cauline leaves gradually reduced distally.
Peduncles

3–12 cm.
Involucres

hemispheric, mostly 5–8 × 7–12 mm Phyllaries mostly 21–34, floccose-tomentose.
Disc florets

mostly 40–50;

corollas 3 mm, tubes 0.3 mm, lobes 0.25 mm;

style-branch apices acute.
Heads

borne singly.
Cypselae

3 mm.
Rays

mostly 20–40;

laminae elliptic to obovate, mostly 7–10 × 4-7 mm, apices shallowly 3-toothed.
2n

= 32.

Baileya pleniradiata
Phenology Flowering Mar–Nov (depending on rains).
Habitat Sandy plains and mesas
Elevation 100–2000 m (300–6600 ft)
Distribution
from FNA
AZ; CA; NV; UT; Mexico (Baja California, Sonora)
[WildflowerSearch map]
[BONAP county map]
Discussion

Baileya pleniradiata is superficially similar to B. multiradiata and autumnal forms of the latter have often been misidentified as the former (see discussion under B. multiradiata). The two species occasionally occur together or in proximity; hybrids have not been noted. Style appendages readily allow distinction between the two taxa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 446.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Baileya
Sibling taxa
B. multiradiata, B. pauciradiata
Synonyms B. multiradiata var. perennis, B. multiradiata var. pleniradiata, B. nervosa, B. perennis, B. pleniradiata var. perennis
Name authority Harvey & A. Gray: Mem. Amer. Acad. Arts, n. s. 4: 105. (1849)
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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