Almutaster pauciflorus

(Nuttall) Á. Löve & D. Löve

Taxon 31: 356. 1982

Common names: Marsh alkali aster
Basionyms: Aster pauciflorus Nuttall
Treatment appears in FNA Volume 20. Treatment on page 461.
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Plants laxly colonial. Stems sometimes reddish at base. Leaves: blades 10–100 mm, margins sometimes ciliate or (distal) stipitate-glandular, apices mucronulate; basal sometimes marcescent, petiole bases widened, clasping, apices obtuse or acute; cauline reduced distally, subclasping, apices acute. Heads (1–)3–10(–30+), each terminating long, ascending branch. Peduncle bracts 2–9, glandular. Phyllaries ± green, margins erose-hyaline, inner more widely so, apices mucronulate. Ray floret laminae 5–8 mm. Cypselae golden brown, ribs stramineous. 2n = 18.

Phenology: Flowering spring–fall.
Habitat: Damp alkaline places, alluvial soils, with halophytic vegetation, inland salt marshes, along streams in ravines, ditches, in desert and dry prairie areas
Elevation: 200–2400 m

Distribution

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Alta., Man., N.W.T., Sask., Ariz., Calif., Colo., Nev., N.Mex., N.Dak., S.Dak., Tex., Utah, Wyo., Mexico.

Discussion

References

None.

Lower Taxa

No lower taxa listed.