Flora of North America species comparison

erect or ascending, branched, 50–200 cm, conspicuously or sparsely villous and uncinate-pubescent.

erect or ascending, usually striate, angled, 30–90 cm, densely uncinate-puberulent.

trifoliolate;

stipules mostly persistent, usually reflexed, broadly or narrowly ovate, 5–13 mm, base oblique, often auriculate, subamplexicaul;

petiole 30–60 mm;

leaflet blades ovate, thick, papery, apex acute to gradually acuminate, surfaces densely uncinate-puberulent abaxially, uncinate-puberulent and pubescent on veins adaxially;

terminal blade 50–130 × 30–100 mm, length 1.5–2 times width.

trifoliolate;

stipules caducous, linear-lanceolate, 1–4 mm;

petiole 3–13 mm;

leaflet blades somewhat paler abaxially, narrowly ovate-oblong, lateral slightly smaller than terminal, apex acute, lateral veins looped within margin, margins revolute, surfaces strigulose;

terminal blade 30–80 × 6–20 mm, length 3–5 times width.

paniclelike, branched;

rachis densely patent bulbous-villous and uncinate-puberulent;

primary bracts caducous, narrowly ovate, 4–6 mm.

branched or unbranched;

rachis densely uncinate-puberulent;

primary bracts caducous, broadly deltate, 6 mm.

persistent, 8–13 mm.

7–10 mm.

calyx 3–5 mm, sparsely or densely puberulent, tube 1 mm;

abaxial lobes to 3 mm, lateral lobes 1 mm;

corolla usually purple to pinkish, rarely white, 9–13 mm.

calyx 4 mm, glabrous, tube 1.5–2 mm;

abaxial lobes 2 mm, lateral lobes 1.5–2 mm;

corolla purple, 10–12 mm.

sutures dentate or crenate abaxially, sinuate adaxially;

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

segments 4–6, broadly elliptic, 6.5–13 × 4–7 mm, obtusely angled abaxially becoming round, convex adaxially, uncinate-puberulent and villous, hairs particularly dense on sutures and between segments;

stipe 2.5–6 mm.

sutures ± deeply crenate abaxially, crenate adaxially;

connections slightly adaxial, 1/2 as broad as segments, sometimes contorted (twisted);

segments 2–5, elliptic, 5–6 × 3 mm, rounded abaxially, slightly rounded adaxially, uncinate-pubescent throughout;

stipe 1–2 mm.

= 22.