Flora of North America species comparison

erect, usually striate, 10–50 cm, obscurely uncinate-puberulent or glabrescent.

prostrate, decumbent, or trailing, branched from base, 25–70 cm, uncinate-puberulent to -pubescent.

trifoliolate;

stipules persistent, patent, subulate or narrowly deltate (from broad base), 2–3 mm;

petiole 10–35 mm;

leaflet blades linear to narrowly oblong, apex obtuse, surfaces sparsely uncinate-puberulent;

terminal blade 20–70 × 2–5 mm, length 7+ times width.

usually trifoliolate, rarely unifoliolate proximally;

stipules persistent, reflexed, narrowly deltate, 3–5.5 mm;

petiole 12–20 mm;

leaflet blades pale green abaxially, broadly ovate to suborbiculate, apex obtuse, surfaces clearly reticulate-veined abaxially, prominently reticulate-veined adaxially, loosely strigulose or glabrescent abaxially, appressed, bulbous-pilose adaxially;

terminal blade 20–45 × 15–25 mm, length 1.2–1.7 times width.

usually unbranched;

rachis sparsely patent uncinate-puberulent;

primary bracts usually persistent, subulate, patent, 1.5–4 mm.

terminal and unbranched;

rachis densely patent uncinate-pubescent and often bulbous-pilose;

primary bracts ovate, 4.5–6.5 mm.

15–20(–25) mm.

10–15 mm.

calyx 1 mm, sparsely puberulent, tube 0.8–1 mm;

abaxial lobes 1 mm, lateral lobes 1 mm;

corolla pink or pink-purple, 3–3.5 mm.

calyx 5–6 mm, pubescent, tube 1 mm;

abaxial lobes 4–5 mm, lateral lobes 3–4 mm;

corolla pink, lilac to purple, or greenish white, 7–8 mm.

margins sometimes slightly involute, sutures equally crenate;

connections central, 1/5 as broad as segments;

segments 2–4, rounded, 3–3.5 × 3 mm, rounded abaxially and adaxially, inconspicuously reticulate, glabrous;

stipe 1–1.5 mm.

sutures crenate abaxially, strongly crenate adaxially;

connections adaxial, 1/3 as broad as segments;

segments (2 or)3–6, elliptic to suborbiculate, 4.5–8 × 3–5 mm, symmetrically rounded abaxially, convex adaxially, densely uncinate-pubescent throughout;

stipe 3–3.5 mm.

= 22.