JSTOR Global Plants Home
  • Home
  • Browse
  • About
  • Access
  • Account
    • Saved Items
    • Profile
  • Log in

Global Plants

Skip to Main Content
  • JSTOR Global Plants Home
  • Global Plants

    • Browse
    • About
    • Access
    • Account
      • Saved Items
      • Profile
Log in
  • Browse
  • About
  • Access
  • Account
    • Saved Items
    • Profile
Advanced Search

Compilation
Malacothrix glabrata

12 Images see all

Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Filed as Malacothrix glabrata (Gray ex D.C. Eat.) Gray [family ASTERACEAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Malacothrix glabrata A.Gray [family COMPOSITAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Malacothrix californica DC. [family COMPOSITAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Syntype of Malacothrix torreyi A. Gray [family ASTERACEAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray [family ASTERACEAE]
Previous
Next

Name

Identification
Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray [family ASTERACEAE ] (stored under name); Verified by A. Gray, Malacothrix torreyi A. Gray [family ASTERACEAE ] Verified by A. Gray, 1874 Malacothrix torreyi A. Gray [family ASTERACEAE ] Verified by A. Gray,
Related name
  • Malacothrix californica
  • Malacothrix glabrata
  • Malacothrix torreyi
Common name
  • Smooth desertdandelion, Flora of North America Vol. 19

Flora

Entry for Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 19,
Names
Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray [family COMPOSITAE], in A. Gray et al., Syn. Fl. N. Amer., 1(2): 422. 1884
Malacothrix californica de Candolle var. glabrata A. Gray ex D. C. Eaton [family COMPOSITAE], in S. Watson, Botany (Fortieth Parallel), 201. 1871
Treatment Author(s)
W. S. Davis
Information
Annuals, (5–)10–40+ cm. Stems (1–)3–5+, ascending to erect, usually branched proximally and distally, glabrous or sparsely arachno-puberulent near bases (sometimes glaucous). Cauline leaves: proximal usually pinnately lobed (lobes 3–6+ pairs, usually filiform, subequal to unequal, apices acute), ultimate margins entire, faces glabrous or ± hairy (then usually glabrescent); distal reduced (usually pinnately lobed). Calyculi of 12–20+, lanceolate to linear bractlets, hyaline margins 0.05–0.2 mm wide (abaxial faces often ± densely white-hairy). Involucres campanulate to hemispheric, 9–17 × 4–7 mm. Phyllaries 20–25+ in 2–3 series, lance-linear to linear, hyaline margins 0.05–0.3 mm wide, faces usually glabrous, abaxial sometimes ± white-hairy. Receptacles bristly. Florets 31–139; corollas usually pale yellow, sometimes white, 15–23+ mm; outer ligules exserted 9–15+ mm. Cypselae ± cylindro-fusiform (sometimes weakly 5-angled), 2–3.3 mm, ribs extending to apices, usually ± equal; persistent pappi of 0–12+, blunt to acute teeth plus 1–2(–5) bristles. Pollen 70–100% 3-porate. 2n = 14.
Phenology
mar-may (spring), jun-jul (summer)
Altitude range
0–1800 m;
Distribution
Mexico (Baja California).Mexico (Sonora).USA Ariz.USA Calif.USA IdahoUSA Nev.USA N.Mex.USA Oreg.USA Utah
Discussion
Malacothrix glabrata grows in the Mojave, Great Basin, and Sonoran deserts in California and the Intermountain region in Arizona, Nevada, Oregon, and Utah.

Related Materials

  • Terms and Conditions
  • Privacy Policy
  • Cookie Policy
  • Cookie Settings
  • Accessibility
  • Help
  • Contact Us
  • Facebook
  • Twitter
ITHAKA

JSTOR is part of ITHAKA, a not-for-profit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways.

©2000-2026 ITHAKA. All Rights Reserved. JSTOR®, the JSTOR logo, JPASS®, Aluka®, and ITHAKA® are registered trademarks of ITHAKA.

╳