Flora of North America species comparison

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

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

2–15 cm;

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

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.

narrowly ovoid, 6–10 mm.

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