This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Silky-pubescent with appressed or slightly spreading hairs, acaulescent or nearly so, tufted. Stipules imbricated, membranous, pubescent, lanceolate, acute or acuminate, 4"-7" long; leaves 4'-9" long; leaflets 9-19, linear, oblong or sometimes lanceolate, acute or obtusish at the apex, mainly rounded at the base, 8"-12" long, 1 1/2-3" wide; peduncles longer than the leaves, 6'-12' long; flowers purple, yellow, or purplish, 8"-15" long, in dense heads or spikes; pod incompletely 2-celled, coriaceous, sessile, erect, ovoid-cylindric, densely pubescent, long-acuminate, 6"-12" long, exceeding the calyx.
Prairies, Minnesota to North Dakota, Saskatchewan and British Columbia, south to Texas and New Mexico. Consists of several races, differing in amount of pubescence, shape and size of leaflets, color of flowers, and size of pods. April-Aug.
Densely silvery and silky-villous, acaulescent, tufted. Stipules imbricated, membranous, villous-pubescent, lanceolate, acute, 4"-6" long; leaves 4'-9 /2' long, erect; leaflets very numerous, in verticils of 3-6, oblong or oblong-lanceolate, acute or acutish at the apex, rounded at the base, 6"-10" long, 2"-4" wide; peduncles exceeding the leaves, sometimes 12' long; flowers deep purple, about 6" long, in dense spikes; pods ovoid, erect, 2-celled or nearly so, long-acuminate with a spreading or oblique tip, villous-pubescent, little exceeding the calyx, 6"-9" long.
Prairies and plains, Minnesota and North Dakota to Saskatchewan, Colorado and New Mexico. June-Aug.
Spiesia Belli Britton; J. M. Macoun, Can. Rec. Sci.
1894: 148. 1894. Aragallus Belli Greene, Pittonia 3: 212. 1897. 0. Belli Palibine, Bull. Soc. Bot. Geneve 2: 19. 1910.
Acaulescent, tufted, loosely villous with white hairs. Stipules membranous, ovate or oblong, acute or acuminate, imbricated, villous or glabrate, 5"-7" long; leaves 3'-6' long; leaflets oblong or oblong-lanceolate, subacute at the apex, rounded at the base, 3"-4" long, 1"-2" wide, in verticils of 3 or 4; peduncles about equalling the leaves; inflorescence capitate; pod oblong, erect-spreading, densely pubescent with black hairs or some longer whitish ones intermixed, about 9" long and 3" thick, 2-3 times as long as the black-pubescent calyx, very nearly or quite 2-celled by the intrusion of the ventral suture, the tip erect; corolla not seen.
Hudson Bay. Summer.