Subshrub 0·7–1·35 m. tall, branched.. Branches woody below, angular, frequently zigzag, with long spreading yellowish hairs and shorter pubescence or densely ferruginous hirsute, later glabrescent.. Leaflets 3, elliptic, elliptic-oblong or ovate-oblong, 2·5–14 cm. long, 1·3–8 cm. wide, obtuse or rounded to an acuminate apex, cuneate or mostly rounded at the base, softly pubescent or velvety and glandular on both surfaces and with longer hairs on the raised nerves beneath; petiole (1·5–)3–4 cm. long; rhachis 0·3–1·5 cm. long; petiolules 2–5 mm. long, ferruginous bristly; stipules narrowly triangular, 0·6–1·2 cm. long, 3–5·5 mm. wide, hairy, closely veined.. Racemes terminal and axillary, often paniculate, dense or rather lax; rhachis 2·5–17 cm. long, ferruginous hairy, densely bracteate at the base (in the young unexpanded state these densely packed bracts form a conspicuous cone); true peduncle obsolete or up to 2 cm. long; pedicels ±1 mm. long; basal bracts persistent, triangular, 0·7–1·5 cm. long, 2·5–8 mm. wide, acuminate, hairy; floral bracts eventually falling, ovate, 6–10 mm. long, 2–6 mm. wide, acuminate.. Calyx with long and short hairs and glands, 3–5·5 mm. long; lobes unequal, deltoid, shorter than or ± equalling the tube.. Standard reddish-brown or bronze outside, oblong or obovate, 0·8–1·4 cm. long, 6–10 mm. wide, pubescent and glandular; wings and keel yellow.. Pods oval-oblong, 1–1·7 cm. long, 0·7–1·1 cm. wide, covered with long ferruginous hairs, shorter hairs and glands.. Seeds not seen.
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