Flora of North America species comparison

usually 1, rarely 2, erect, unbranched proximally to much branched distally, leaves dispersed along distal branches;

pseudoscapes 0;

cataphylls 6–10 mm.

palmately 3(–5)-foliolate;

stipules persistent, mostly linear-lanceolate, 7–12 × 6.5–9 mm, sparsely strigose;

petiole, when present, not swollen or jointed basally, slightly canaliculate, (0 or)2–2.5(–4) mm, usually shorter than petiolules, sparsely strigose;

petiolules often adnate to leaf spur, 1.8–3 mm;

leaflet blades narrowly to broadly elliptic, (1–)1.2–5(–5.5) × (0.4–)0.6–2.7 cm, base cuneate, apex rounded to shallowly retuse and often mucronate, surfaces sparsely strigose.

persistent, crowded, rachis usually concealed, usually elliptic to oblong, rarely ovate;

rachis (1–)2–5(–5.5) cm, nodes (4–)6–13(–15), (1–)3(or 4) flowers per node;

bracts persistent, broadly ovate to suborbiculate, 8–11.5 × (7–)9–10 mm, glabrous.

0.6–2.8(–3.4) cm, longer than subtending petiole, appressed-spreading pubescent.

1–3 mm.

12.5–14 mm;

calyx strongly gibbous-campanulate in fruit, 12–16 mm abaxially, (10–)12–13 mm adaxially, glandular, pilose;

tube 4–5 mm;

lobes linear-lanceolate, abaxial (6–)7–11(–11.5) × 1.5–3 mm, adaxial 4–8 × 1–1.5 mm;

corolla violet to lavender or cream to yellowish and tinged with violet, banner broadly oblanceolate to obovate, (8.5–)10–14 × 5.5–7 mm with claw (3.5–)4.5–7 mm, wings (7–)8–12 × 2–2.5 mm with claw (3–)4–6 mm, keel (5–)6–10 × 2–2.5(–3) mm with claw (3–)4–5 mm;

filaments 9.5–11 mm;

anthers broadly elliptic, 0.5(–0.8) mm;

ovary glabrous, style glabrous, sometimes strigulose basally.

broadly ellipsoid to nearly obovoid, 6–7 × 4–4.5 mm, glabrous, dark brown-glandular on distal 1/2, beak (5–)6–8 mm, exserted beyond calyx.

gray-brown, reniform, 3.5–5 × 2.5–3.5(–4) mm.