Iva axillaris Pursh (Hook.) Bassett
poverty-weed (povertyweed)
Asteraceae (Aster family)
Introduction to Vascular Plants
poverty-weed (povertyweed)
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a creeping rhizome; stems erect, branched, sparsely hairy or nearly glabrous, 15-60 cm tall.
Leaves:
Basal leaves lacking, lower leaves opposite, upper leaves alternate, unstalked or more or less stalked, oblong to broadly linear, 1-5 cm long, entire.
Flowers:
Heads disciform on short, axillary stalks, nodding, greenish-white; involucres 2-4 mm tall; involucral bracts 4-6, fused at the base; female corollas tubular, 1 mm long.
Fruits:
Achenes with unstalked glands, compressed, 2-3 mm long; pappus lacking.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Dry disturbed areas in the steppe zone; rare in SC BC; E to MB and S to OK and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Iva axillaris subsp. robustior (Hook.) Bassett
Iva axillaris var. robustior Hook.