General: Annual or biennial herb from a strong taproot; stems simple or branched, loosely white-woolly, 20-90 cm tall.
Leaves: Basal and lower stem leaves oblong or lanceolate, clasping with ear-like lobes at the base, grey woolly-hairy, entire, 1.5-9.5 cm long, 1-10 mm wide; middle and upper stem leaves similar, alternate, becoming lanceolate, less clasping and reduced.
Flowers: Heads disciform, terminal, grouped into one or more dense clusters; involucres 4-6 mm tall; involucral bracts egg-shaped, straw-coloured or yellow, dry, papery, shiny, 1-3 mm long.
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.
