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Plants 40–70 cm. Stems usually glabrous, rarely tomentulose. Leaves: basal blades oblanceolate to elliptic, 100–250 × 12–25 mm, not thin or succulent, margins entire to denticulate, faces glabrous. Heads in racemiform arrays. Involucres hemispheric, 10–15 × 12–18 mm. Phyllaries: bases pale, green-tipped, margins hyaline, sometimes ciliate, apices erect, faces glabrous. Cypsela faces densely sericeous.
Phenology: Flowering Jun–Oct.
Habitat: Coastal valleys and marshes, neutral or saline soils
Elevation: 0–300 m
Discussion
Variety racemosa is recognized by its robust habit, large heads, racemiform arrays, and occurrence in non-alkaline soils.
Selected References
None.
Lower Taxa
None.