Lotus uliginosus

Prostrate or ascending perennial herb; stems to 80 cm long, with sparse spreading hairs. Leaflets dimorphic, sparsely pilose; basal 2 ovate, 8–12 mm long, 2–9 mm wide, apices acute; terminal 3 obovate, 4–25 mm long, 3–15 mm wide, apices usually obtuse. Inflorescences mostly 8–14-flowered; peduncle 3–12 cm long; calyx campanulate, 5–7 mm long, sparsely pilose, teeth spreading with upper 2 separated by an acute sinus in bud, about equal, shorter than or as long as tube; corolla 10–12 mm long, yellow with red veins; standard obovate to orbicular, equal to keel; keel strongly upturned, obtusely bent on lower edge at base, beak long and straight, shiny. Pod terete, 1.5–3.5 cm long, 1.5–2 mm wide, glabrous; seeds 8–20, subglobose, ovoid or reniform, c. 1 mm long, brown, shiny. Flowers Nov.–Feb.