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Montana Field Guide

Montana Field Guides

Purple Cudweed - Gnaphalium purpureum
Other Names:  Gamochaeta ustulata, Gnaphalium purpureum var. ustulata

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Status Under Review
Undetermined Origin

Global Rank: G5
State Rank: SU
C-value:


Agency Status
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General Description
Biennial or short-lived perennial. Stems erect, simple, 10–40 cm. Leaves 1–3 cm long; basal petiolate, oblanceolate; cauline linear, sessile. Glomerules terminal in a narrow, spike-like inflorescence, surpassing subtending leaves. Involucres 3–5 mm high; phyllaries white, with acute tips, sometimes tomentose at the base. Inner corollas 2–4 mm long. Achenes ca. 0.5 mm long; pappus deciduous in a ring (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC, MT, south to CA. Our plants are var. ustulata (Nutt.) Boivin. Collected once in Missoula County (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Purple Cudweed"
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Citation for data on this website:
Purple Cudweed — Gnaphalium purpureum.  Montana Field Guide.  .  Retrieved on , from