Stems usually ascending, 10–30 cm. Leaves 3–8.5 cm; leaflets 9–15, blades (6–)8–20(–25) mm, surfaces glabrous abaxially (sometimes with a few scattered hairs on margin and midrib), hairs to 0.4–0.6 mm. Peduncles (5–)7–16 cm. Racemes 8–21-flowered; axis (2.5–)4–13.5 cm in fruit. Flowers 9.7–11 mm; corolla pale purple. Legumes 14–21 × 3.5–5.5(–6) mm, beak cusplike, 1.5–3 mm, sparsely strigulose, hairs black; stipe 3.5–4.5(–5) mm. Seeds 9–11.

Phenology: Flowering May–Jul.
Habitat: Moist crevices, just above high water, under shrubs.
Elevation: 100–200 m.

Distribution

• Generated Map
• Legacy Map

Loading map...

N.H., Vt.

Discussion

D. Isely (1998) surmised the taxon to be extinct; it persists at three sites in a 25-kilometer stretch along the Connecticut River, with a total population of about 1000 plants.

Variety jesupii is in the Center for Plant Conser­vation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.