Flora of North America species comparison

erect or spreading, 10–40 cm, puberulent or hispid, hairs glandular and eglandular.

erect to spreading, 5–60 cm, sparsely puberulent, hairs glandular and eglandular.

blades narrowly lanceolate to lanceolate, 5–30 × 2–10 mm, margins entire or 7-lobed, lateral veins conspicuous.

blades linear to linear-lanceolate, 5–15 × 1–2 mm, margins entire.

2–15 cm;

bracts sometimes purple distally, lanceolate to ovate, 15–25 mm, margins pinnately 3–7-lobed.

2–15 cm;

bracts often purple distally, linear to narrowly lanceolate, 10–15 mm, margins pinnately 3-lobed near middle.

calyx 15–20 mm;

corolla greenish white, white, or pale yellow, 15–20 mm, lobes 5–7 mm, often marked with dark red (especially toward base);

stamens 2, each with 2 pollen sacs;

staminodes 2.

calyx 10–13 mm;

corolla pale lavender to pale lilac, 10–15 mm, lobes 4–5 mm, occasionally marked with red-brown or purple-red lines;

stamens 2, each with 2 pollen sacs;

staminodes 2.

narrowly ovoid, 6–10 mm.

narrowly ellipsoid, 5–7 mm.

20–30, dark brown, ovoid to reniform, 1–3 mm, without abaxial crest.

8–10, brown, ± reniform, 2–3 mm, without abaxial crest.

= 28.