Plants up to 100 cm tall, glabrous. Stem erect. Leaves 7-10 cm; stipules 10-15 mm, mostly high connate behind stem; petiole 1-2 cm; leaflets in 5-8 pairs, remote, elliptic to obovate, 7-15 × 4-7 mm, apex widely rounded. Racemes at anthesis to 5 cm, loosely 10-to many flowered, later strongly elongated; peduncle (3-)5-7 cm; bracts whitish membranous, linear-acute, 2-3 mm. Calyx 8-10 mm; teeth 2-3.5 mm. Petals pale yellowish to yellow; standard rhombic-elliptic, ca. 14 × 5 mm, apex obtuse; wings ca. 13 mm; keel ca. 11 mm. Legumes (immature) stipitate, attenuate at both ends, at least 20 mm.
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