Hedysarum boreale
boreal sweetvetch, northern hedysarum, northern sweet-vetch, plains sweetbroom, Utah sweetvetch
decumbent to erect, usually much branched, 1.5–7 dm.
3–12(–14) cm;
stipules pale brown, sometimes streaked, 2–10 mm;
leaflets 5–15, blades usually oblong to elliptic, lanceolate-oblong, or ovate, rarely linear, 7–40 × 2–19 mm, veins obscure, surfaces strigose abaxially, strigose or glabrous adaxially.
5–45-flowered, axis 5–28.5 cm in fruit;
bracts 2–4 mm.
2.8–15 cm.
0.8–4.5 mm.
ascending at anthesis;
calyx 4.5–8 mm;
tube 2–3.5 mm, strigose;
lobes subulate, 2–6 mm, subequal to markedly unequal;
corolla usually red-purple, pink, magenta, or purple, rarely white, 10–22(–26) mm;
wing auricles distinct, blunt, shorter than claw.
segments 2–8, 4.5–9 × 4–6.2 mm, margins prickly or not, not winged to moderately winged, prominently reticulate, usually crisp-puberulent to minutely strigose, rarely glabrous.
Hedysarum boreale
Subspecies 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Flowers 10–19 mm, usually pink to magenta or purple, rarely white; racemes 8–23 cm; loment segments 2–5. | subsp. boreale |
1. Flowers (14–)18–22(–26) mm, usually red-purple, sometimes pink, rarely white; racemes 2–10(–15) cm; loment segments 3–8. | subsp. mackenziei |
BC
OR
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
