Flora of North America species comparison

ascending or erect, usually striate, angled, 30–100 cm, densely uncinate-puberulent to -pubescent and sparsely glutinous-pilose.

prostrate, densely branched, 20–80 cm, ascending-pilose or strigose.

trifoliolate;

stipules persistent, ovate, 7.5–14.5 mm;

petiole 40–90 mm;

leaflet blades narrowly ovate to ovate or broadly ovate, thick, leathery, apex acute, usually pale-blotched along midrib adaxially, surfaces uncinate-puberulent to -pubescent and villous;

terminal blade 40–120 × 20–66 mm, length 2 times width.

trifoliolate;

stipules persistent, narrowly ovate, 3–5 mm;

petiole 3–7.5 mm;

leaflet blades broadly obovate or cuneate-obovate, often folding downwards, apex emarginate, surfaces usually sparsely uncinate-puberulent or subappressed-pilose along midrib abaxially, rarely entire surface, glabrous adaxially;

terminal blade 5–10 × 3–11 mm, length 0.8–1.2 times width.

branched or unbranched;

rachis densely uncinate-puberulent to -pubescent and glutinous-villous;

primary bracts ovate to broadly ovate, 7–10 mm.

terminal fascicles opposite distal leaf, appearing axillary, unbranched;

rachis pubescent;

primary bracts narrowly ovate, 4 mm.

8–25 mm, patent uncinate-pubescent and pilose.

8–12 mm.

calyx 3–5 mm, puberulent and pubescent, ± glutinous, tube 1.2–1.5 mm;

abaxial lobes 2.5–4 mm, lateral lobes 1.5 mm;

corolla white, 7–8 mm.

calyx 2.5–3 mm, appressed-pubescent, tube 1.2 mm;

abaxial lobes 1.5–1.7 mm, lateral lobes 1.5–1.7 mm, adaxial lobes deeply 2-toothed;

corolla pale pink to purplish, 4–5 mm, keel distinctly longer than wings.

sutures nearly equally crenate;

connections adaxial, 1/4 as broad as segments;

segments (2 or)3–5(or 6), subrhombic, 6–8 × 4 mm, obtusely angled abaxially, somewhat angled adaxially, densely uncinate-pubescent throughout;

stipe 2–4 mm.

sutures weakly crenate abaxially, with broad connection between segments, barely sinuate adaxially;

connections 2/3–4/5 as broad as segments;

segments 3–5, nearly square, 2.5–3.5 × 2.5–3 mm, symmetrically convex abaxially, slightly concave adaxially, inconspicuously uncinate-pubescent or glabrescent;

stipe 0 mm.

= 22.