Baileya pleniradiata

Harvey & A. Gray

Mem. Amer. Acad. Arts, n. s. 4: 105. 1849.

Synonyms: Baileya multiradiata var. perennis (A. Nelson) Kittell Baileya multiradiata var. pleniradiata (Harvey & A. Gray) Coville Baileya nervosa (A. Nelson) Rydberg Baileya perennis Baileya pleniradiata var. perennis A. Nelson
Treatment appears in FNA Volume 21. Treatment on page 446. Mentioned on page 445, 447.

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. Heads borne singly. Peduncles 3–12 cm. Involucres hemispheric, mostly 5–8 × 7–12 mm Phyllaries mostly 21–34, floccose-tomentose. Rays mostly 20–40; laminae elliptic to obovate, mostly 7–10 × 4-7 mm, apices shallowly 3-toothed. Disc florets mostly 40–50; corollas 3 mm, tubes 0.3 mm, lobes 0.25 mm; style-branch apices acute. Cypselae 3 mm. 2n = 32.

Phenology: Flowering Mar–Nov (depending on rains).
Habitat: Sandy plains and mesas
Elevation: 100–2000 m



Ariz., Calif., Nev., Utah, Mexico (Baja California, Sonora).


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.

Selected References


Lower Taxa

... more about "Baileya pleniradiata"
M. W. Turner +
Harvey & A. Gray +
Ariz. +, Calif. +, Nev. +, Utah +, Mexico (Baja California +  and Sonora). +
100–2000 m +
Sandy plains and mesas +
Flowering Mar–Nov (depending on rains). +
Mem. Amer. Acad. Arts, n. s. +
Baileya multiradiata var. perennis +, Baileya multiradiata var. pleniradiata +, Baileya nervosa +, Baileya perennis +  and Baileya pleniradiata var. perennis +
Baileya pleniradiata +
species +