Semina plura, subrotunda.
Empalement. Cup one-leaf, tubular, upright, half five-cleft sharp; the upper teeth the shortest, approaching; all the teeth of equal breadth.
Blossom butterfly-shaped.
Standard oval, with a broad oblong claw, notched at the top, with a point in the middle, sides reflexed, compressed and raised in a line running lengthways.
Wings two, oblong, erect, half-heart shaped, with an oblong claw, shorter than the standard.
Keel, with an oblong two-parted claw, the hollow part compressed like a half circle shorter than the wings.
Chives. Threads in two sets, (one alone, the other nine-cleft.) Tips upright, roundish four-furrowed.
Honey-cup, gland arising from the receptacle between the united threads and the seed-bud; short and tapered.
Pointal. Seed-bud linear, compressed and long. Shaft thread-shaped, shorter, turned upwards from an angle. Summit blunt, bearded transversely on the upper part at the end.
Seed-vessel. Pod long, tough, one-celled, two-valved terminated by a point.