F. Muell., Fragm. Phyt. Aust. 3:46 (1862).
Synonymy: Cyclogyne canescens Benth. ex Lindley., Sketch Veg. Swan Riv. Col. xvi (1840).
, Swainsona canescens
Common name: None
Ascending or suberect perennial with stout rigid but herbaceous stems 20 or more cm long and more than 3 mm thick basally; indumentum on stems, leaves and peduncle of rather dense long fine basifixed white and/or cream-coloured spreading hairs; leaves 5-12 cm long, with 9-15 commonly 10-13 leaflets; leaflets obovate or broad-elliptic to oblong, 10-20 x 5-15 mm, sometimes with a shallow notch and apiculate, almost glabrous above or silky on both faces; stipules ovate-acute, 3-7 mm long, leafy.
Flowers 8-9 mm long on pubescent pedicels to 1 mm long in 20-35-flowered dense racemes on the distal half or two-thirds of the 10-20 cm long stout peduncles; bract narrow-triangular, to 5 mm long, acuminate, glabrous inside; bracteoles lanceolate, 1-3 mm long; calyx 4-6 mm long, white-woolly to silky-villous; teeth broad- to narrow-triangular and acuminate, equal to or longer than the tube; petals purple; standard widely ovate, slightly broader than long, minutely notched, gradually tapered into the wide triangular claw tapering to the base, ecallose or with a pair of thickened diverging ridges near the top of the claw, with green markings off the lamina centrally; wings oblong, shortest, obtuse, strongly auriculate above the short claw; keel semicircular, subacute, beaked, with a small expanded callous tip, without any pouches or folds, with a wide semicircular auricle, over c. 3 mm long, on a linear claw; ovary subsessile, cylindrical, densely silky with appressed or spreading hairs, continued onto the style; style stout, laterally compressed in the lower two-thirds of its length, bearded throughout, but hairs longer at the base and inside the inflexed to coiled tip;
Pod oblong, 10-15 x c. 4 mm, suture sometimes impressed, densely woolly-tomentose, to 10-seeded; seed reniform, to 2 mm long, olive-green to brown, smooth, shiny.
S.Aust.: NW, LE, NU, GT, FR, EP.
Flowering time: mainly May — Oct.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Shows similarities with S. burkittii in which the keel is subacute to obtuse without the expanded callous tip.
Key to Infraspecific taxa:
||1. Leaflets densely tomentose on both sides, the upper surface sometimes a little less densely; ovary with spreading hairs
||var. canescens 5a.
||1. Leaflets glabrous above, or rarely with a few hairs near the base; ovary with appressed hairs
||var. horniana 5b.
Not yet available