Flora of North America species comparison

erect and ascending.

2–9 cm;

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

5–11.5 cm;

leaflets (7–)11–17(–21), blades broadly oval to obovate-cuneate or oblong-elliptic, 5–15(–17) mm, apex emarginate, or obtuse and apiculate.

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

axis obscured, (0.5–)1–4 cm in fruit.

loosely 11–25-flowered, lax and open in fruit;

axis (3–)4–10 cm in fruit.

(1–)1.5–6.5 cm.

3.5–8 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.

12.7–14.5 mm;

calyx 6.6–7.8 mm, tube 4.5–5.3 mm, lobes 1.7–2.9 mm;

corolla pink-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.

usually mottled, broadly and obliquely ovoid-acuminate, greatly inflated, 16–21 × 9–14 mm, bilocular, stiffly papery, canescent-strigulose;

beak 3.5–6 mm, unilocular.

10–15.

24–30.