Flora of North America species comparison

1–6 cm, rachis about equaling longest leaflet;

leaflets 7 or 9(–13), congested on rachis, blade surfaces shaggy-pilose.

1.5–10 cm, rachis longer than longest leaflet;

leaflets 11–17, well distributed on rachis, blade surfaces long-pilose.

5–9-flowered.

(3–)5–15-flowered.

villous hairs spreading, horizontal, fine.

usually villous, sometimes appressed-pilose.

15–19 mm.

15–19 mm.

somewhat accrescent and inflated, ruptured in fruit or not, entirely or partially enclosing pod.

slightly swollen or not accrescent in fruit, ruptured by (but closely investing) base of exserted pod.

usually not disarticulated from calyx, ovoid-oblong, 8–13 × 5 mm.

usually persisting on plant within calyx until after dehiscence, swollen to inflated, oblong or ovoid, 8–15 × 4.5–6.5 mm.