Flora of North America species comparison

prostrate.

2–9 cm;

leaflets (9 or)11–17(–21), blades oblanceolate, elliptic, or narrowly oblong, (3–)5–15(–18) mm, apex obtuse or subacute.

2–5 cm;

leaflets 3 or 5, blades linear-oblanceolate, 7–15 mm, terminal leaflet 14–30 mm, apex obtuse or subacute.

(9–)12–35-flowered, crowded into subglobose or cylindric heads, short and compact in fruit;

axis obscured, (0.5–)1–4 cm in fruit.

shortly 5–12-flowered, short and compact in fruit;

axis 1.5–4 cm in fruit.

(1–)1.5–6.5 cm.

2–5.5 cm.

8.2–11.5 mm;

calyx 5–7.3 mm, tube 3.2–4.5 mm, lobes 1.5–2.8 mm;

corolla whitish, sometimes with purple veins, or pink-purple with white wing tips.

13 mm;

calyx 7 mm, tube 4.5 mm, lobes 2.5 mm;

corolla purple.

pale green and purple-mottled becoming stramineous, plumply ovoid-acuminate, bladdery-inflated, 9–17 × 8–14 mm, papery-membranous, subtranslucent, strigulose;

beak decurved, triangular, 3–5 mm, unilocular.

mottled, ovoid-acuminate, moderately inflated, 20–24 × 8–12 mm, stiffly papery, strigulose;

beak incurved, 4.5–7 mm, bilocular.

10–15.

18.