Practical ecological knowledge for the temperate reader.

Gnaphalium Sp. - Cudweed

Family: Asteraceae (Aster) [E-flora]

"Annual, tap- or fibrous-rooted. Stem: generally 1, erect, branched from base; ± woolly-tomentose, not glandular. Leaf: most cauline, alternate, oblanceolate to spoon-shaped [linear], entire, base ± wedge-shaped, faces gray-tomentose. Inflorescence: heads disciform, generally in head-like axillary groups, sometimes in spike-like clusters; involucre ± bell-shaped; phyllaries in 3–5 series, generally white to brown, opaque or not, often shiny; phyllary base generally glandular distally, ± equal to unequal, stiff-papery toward tips, inner phyllaries protruding distal to outer. Pistillate flower: 40–130; corolla ± white to ± purple. Disk flower: 4–7, corolla ± white to ± purple. Fruit: oblong, generally glabrous, sometimes minutely papillate; pappus bristles in 1 series, free, deciduous.
± 38 species: America, Asia, Africa, Australia. (Greek: downy plant, ancient name for these or similar plants) [Nesom 2006 FNANM 19:428–430] Other species in TJM (1993) moved to Euchiton, Gamochaeta, and Pseudognaphalium. [Jepson]

Local Species;

  1. Gnaphalium palustre- lowland cudweed [E-flora]
  2. Gnaphalium uliginosum - marsh cudweed [E-flora]


Gnaphalium palustre- lowland cudweed

"General: Annual herb from a fibrous root; stems much branched, with irregular tufts of woolly hairs, 3-15 (30) cm tall." [IFBC-E-flora]

"Habitat / Range Moist vernal meadows and alkaline flats in the lowland, steppe and montane zones; frequent in S BC, rare in WC BC (Bulkley River valley); E to AB and S to NM and CA." [IFBC-E-flora]

Status: Native [E-flora]



Gnaphalium uliginosum - marsh cudweed

"General: Annual or biennial herb from a fibrous root; stems usually much branched from near the base, glandular-hairy, 3-25 cm tall." [IFBC-E-flora]

"Habitat / Range Moist to mesic streambanks, lakeshores and waste places in the lowland, steppe and montane zones; common in S BC; introduced from Europe." [IFBC-E-flora]

Status: Exotic [E-flora]

Other Uses

Medicinal Uses

"Marsh cudweed is little used in modern herbalism, though it is occasionally taken for its astringent, antiseptic and anticatarrhal properties[254]." [PFAF]



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