Flora of North America species comparison

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

ascending to erect, usually striate, mostly unbranched, 50–100(–150) cm, medially uncinate-puberulent and uncinate-pubescent.

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 moderately persistent, narrowly ovate, 4–9.5 mm, apex often awn-tipped;

petiole 1–5 mm;

leaflet blades narrowly elliptic to linear, apex obtuse or acute, surfaces prominently reticulate-veined abaxially, uncinate-puberulent and subappressed pubescent abaxially, glabrate or sparsely pubescent adaxially;

terminal blade (30–)40–85 × 5–15 mm, length 4–10 times width.

branched or unbranched;

rachis uncinate-pubescent and villous;

primary bracts ovate, 2.5 mm.

terminal and branched;

rachis terete to subangulate, densely uncinate-puberulent and sparsely pilose;

primary bracts ovate, 2.5–3 mm.

5–10 mm.

2–5 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 2.5–3 mm, puberulent, tube 1.5 mm;

abaxial lobes ovate, 1.5 mm, lateral lobes ovate, 1 mm;

corolla pale lavender to reddish purple, 5 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 deeply crenate abaxially, sinuate adaxially;

connections adaxial, 1/3 as broad as segments;

segments (1 or)2(–4), semiorbiculate, 4.5–6 × 3–4.5 mm, symmetrically rounded abaxially, nearly straight or convex adaxially, densely uncinate-puberulent throughout;

stipe 1–3 mm.

= 22.