Malacothrix clevelandii

A. Gray

in W. H. Brewer et al., Bot. California 1: 433. 1876.

Common names: Cleveland’s desertdandelion
Synonyms: Crepis geisseana Philippi Malacothrix senecioides Reiche
Treatment appears in FNA Volume 19. Treatment on page 313. Mentioned on page 311, 312, 314.

Annuals, 4–36 cm. Stems 1–5, erect or ascending, branched mostly distally, glabrous. Cauline leaves: proximal oblanceolate to lance-linear, sometimes pinnately lobed, not fleshy, ultimate margins usually dentate, faces glabrous; distal reduced (margins 2–4-dentate near bases or entire). Calyculi of 5–12, lance-deltate to lanceolate bractlets, hyaline margins 0.05–0.2 mm. Involucres narrowly campanulate, 4–8+ × 2–4+ mm. Phyllaries 8–15+ in 2+ series, lance-linear to linear, ± equal, hyaline margins 0.05–0.3 mm wide, abaxial faces glabrous. Receptacles not bristly. Florets (19–67); corollas pale yellow, 4–7.4 mm; outer ligules exserted 1–3 mm. Cypselae fusiform or prismatic, 1.2–1.8 mm, ribs extending to apices, 5 more prominent than others; persistent pappi of 15–24+, needlelike teeth plus 1 bristle. Pollen 70–100% 3-porate, mean 25 µm. 2n = 14.

Phenology: Flowering Mar–Jun.
Habitat: Cleared areas (burns, slides), usually chaparral, rarely margins of creosote bush shrub
Elevation: 20–1500 m



Introduced; Calif., Mexico (Baja California), South America (Argentina, Chile).


Malacothrix clevelandii grows in northwestern California, Sierra Nevada foothills, San Joaquin Valley, central western California, and northern Channel Islands (Santa Rosa Island).

Selected References


Lower Taxa

... more about "Malacothrix clevelandii"
W. S. Davis +
A. Gray +
Cleveland’s desertdandelion +
Calif. +, Mexico (Baja California) +, South America (Argentina +  and Chile). +
20–1500 m +
Cleared areas (burns, slides), usually chaparral, rarely margins of creosote bush shrub +
Flowering Mar–Jun. +
in W. H. Brewer et al., Bot. California +
Crepis geisseana +  and Malacothrix senecioides +
Malacothrix clevelandii +
Malacothrix +
species +