Flora of North America species comparison

ascending or erect, 50–100 cm, inconspicuously uncinate-puberulent.

ascending to erect, branched or unbranched, 50–100 cm, medially uncinate-pubescent, sometimes also ± pilose.

trifoliolate;

stipules caducous, narrowly deltate, 3 mm, glabrous;

petiole 5–20 mm;

leaflet blades linear, leathery, usually folded and appearing narrower, apex acute or obtuse, surfaces reticulate-veined adaxially, glabrous or sparsely puberulent abaxially, glabrous adaxially;

terminal blade 30–60(–80) × 5–7 mm, length 8–10 times width.

trifoliolate;

stipules persistent, ovate, 8–15 mm, base amplexicaul, pilose-ciliate;

petiole 30–50 mm;

leaflet blades narrowly ovate to ovate, thick, papery, apex acute to rounded, surfaces conspicuously reticulate-veined abaxially, uncinate-puberulent on veins abaxially, sparsely spreading-villous or glabrous adaxially;

terminal blade 35–80 × 30–70 mm, length 1.5–3 times width.

branched or unbranched;

rachis uncinate-pubescent and villous;

primary bracts ovate, 2.5 mm.

usually unbranched;

rachis patent-pilose and uncinate-puberulent;

primary bracts narrowly ovate, 4–5 mm.

5–10 mm.

7–15(–23) mm.

calyx 1.5–2 mm, uncinate-puberulent, tube 0.8–1 mm;

abaxial lobes 1 mm, lateral lobes 0.7–0.8 mm;

corolla pink, 4–5 mm.

calyx 4–5 mm, uncinate-puberulent and pilose, tube 2–3 mm;

abaxial lobes 2.5 mm, lateral lobes 2 mm;

corolla purplish, 6–8 mm.

sutures crenate abaxially, sinuate adaxially;

connections adaxial, 1/3–1/2 as broad as segments;

segments (1 or)2 or 3, semiorbiculate, 3.5–5 × 3 mm, symmetrically rounded abaxially, convex adaxially, densely uncinate-puberulent throughout;

stipe 0.5–3 mm.

sutures equally crenate;

connections central, 1/2–4/5 as broad as segments;

segments 4–7, elliptic or suborbiculate, 4–7 × 3.5–5 mm, symmetrically convex abaxially and adaxially, densely uncinate-puberulent and villous;

stipe 2–4 mm.