Dalea lutea var. gigantea (Rydb.) Barneby

Parosela gigantea Rose, sp. nov
A shrub, 2-5 m. high; branches long-villous and glandular-dotted, in age gray and striate; leaves 3-5 cm. long; stipules subulate-setaceous, 3-5 mm. long; leaflets 11-17, oval or obovate, 6-10 mm. long, long-pilose on both sides, dotted with black glands beneath; stipels glandlike; peduncles terminal, 2-4 cm. long; spikes 3-6 cm. long, dense, acute, fully 1 cm. thick; bracts broadly ovate, almost black, glabrous, and conspicuously glandular-dotted, abruptly acuminate into a subulate tip, longer than the calyx, deciduous; calyx-tube broadly turbinate, 3 mm. long, glabrous, 10-ribbed, with 3-4 black glands in each interval; lobes long-pilose, subulate-filiform from a triangular base, 2 mm. long; corolla yellow, turning blackish; blade of the banner suborbicular, 3 mm. long, equaling the claw; blades of the wings 4 mm. long, those of the keel-petals 6 mm. long; pod sparingly pilose and with a few glands.
Tvpe collected at Tarascon, Michoacan, October 11, 1904, Pringle 884S (U. S. Nat. Herb. no. 461346).
Distribution: Michoacan to Puebla.