General:
Perennial herb from a taprooted woody stem-base; stems erect, 20-70 cm tall.

Leaves:
Basal leaves 8-30 cm long (including long stalks), much shorter than stems, twice 3-parted, the first set of 3 stalks 13-67 mm long (the leaflets not crowded), smooth or long soft-hairy, each leaflet 14-42 mm long, 2- to 3-times shallowly to deeply lobed, thin, usually hairy and with a bloom beneath, not glandular; stem leaves few, shorter-stalked.

Flowers:
Inflorescence of several nodding flowers in a terminal cyme, the flowers 2.5-5 cm wide; bracts leaf-like but greatly reduced, unstalked; petals 5, distinct, cream-coloured with yellow spurs, the spurs knobbed, 10-18 mm long, stout, evenly tapered from base or abruptly narrowed near middle, tips curved inward, the blades oblong, 7-10 mm long, 4-8 mm wide; sepals 5, yellow or tinged with pink, widely spreading, elliptic lance-shaped to oblong, 12-22 mm long, 4-10 mm wide, tips blunt to pointed; stamens 12-17 mm long.

Fruits:
Follicles, usually 5, erect, egg-shaped, 18-27 mm long, hairy or glandular-hairy; beaks 8-10 mm long; seeds black, egg-shaped, wrinkled and pebbled.

Notes:
This species hybridizes frequently with A. formosa. The hybrids have been called A. flavescens var. miniana Macbr. & Pays.

Source:  The Illustrated Flora of British Columbia

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