Plants coarse, 40–90 cm, sparsely strigulose. Stems ascend­ing or sprawling, sparsely strig­ulose. Leaves (6–)8–20 cm; stip­ules connate-sheathing at proximal nodes, connate or dis­tinct at distal nodes, 10–20 mm, thinly herbaceous or foliaceous becoming papery; leaflet blades ovate to oblong or broadly elliptic, 10–45(–60) mm, apex obtuse and apiculate, surfaces strigulose abaxially, glabrous adaxially. Peduncles 1.5–8 cm. Racemes 10–20-flowered; axis (1–)1.5–3.5 cm in fruit; bracts 2–6 mm; bracteoles 0. Pedicels 0.5–3 mm. Flowers 11.5–13.5 mm; calyx 5.2–6.5 mm, glabrate to sparsely strig­ulose, tube 3.5–4.2 mm, lobes subulate, 1.2–2.9 mm; corolla keel 9.5–11 mm. Legumes brownish stramineous, (27–)30–37(–40) × 4–5 mm, fleshy becoming leathery, minutely strigulose; stipe 2–3.5 mm. 2n = 16.

Phenology: Flowering May–Aug.
Habitat: Deciduous woodlands, hedge­rows, thickets, fallow fields.
Elevation: 0–300 m.

Distribution

• Generated Map
• Legacy Map

Loading map...

Introduced; Ont., Conn., Ind., Mass., N.J., N.Y., Eurasia.

Discussion

Astragalus glycyphyllos, native from Europe to the Caucasus and Altai in Asia, has been sparsely introduced in northeastern North America. The species has no close relative in North America. R. C. Barneby (1964) and D. Isely (1998) reviewed its distribution in more detail.

Selected References

None.

Lower Taxa

None.