Slender rather sparingly branched ± sprawling shrub up to 1 m. long; branchlets 1-2 mm. diam., subterete, grooved, ± pilose when young. Lvs 1-3-foliolate; lflts small, narrow, ± pilose. Infl. of 8-10-fld congested racemes on pilose peduncles up to 10 mm. long (us. much shorter). Fls ± 4 × 3 mm. on pilose pedicels ± 1 mm. long. Calyx pilose, ± 1 × 1 mm.; teeth minute, ciliolate. "Corolla rather large, creamy-yellow striped with purple; the standard longer than the wings, broad, very obtuse" (fide Petrie, loc. cit.). "Standard 3 mm. broad, purple in 2 bands from base to tip, elsewhere white striped with purple" (fide Simpson loc. cit. 281). Keel greenish, purple at apex, auricles bluntly pointed; wings white, purple at apex, auricles bluntly pointed. Ovary pilose. Pods glab. or nearly so when mature, 3-4-(5) × 2-3 mm., light brown, ± turgid, breadth > depth; beak rather stout ± 1 mm. long, ± curved (the slender stylar portion long-persistent). Seeds (1)-2-(3), pale to yellowish green, black-mottled, ± 1 mm. diam.
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