Flora of North America species comparison

erect or ascending, 10–80 cm, puberulent, glabrescent.

erect or ascending, rarely decumbent, not fleshy, hairy or glabrous.

puberulent, sometimes scabrous;

proximal 10–40 mm, margins 3–7-lobed, lobes 1 mm wide;

distal 5–25 × 1 mm, margins entire.

cauline, alternate;

petiole absent;

blade not fleshy, not leathery, margins entire or 3–7-lobed.

capitate spikes, 3–14-flowered;

bracts 5–10, 5–20 mm, margins 5–7-lobed, lobes purple or yellow-green, linear to filiform.

terminal, spikes or flowers solitary, often capitate;

bracts present.

bracteoles 10–20 mm, margins entire.

absent;

bracteoles absent.

calyx 10–20 mm, tube 1–3 mm, apex entire or 2-fid, cleft 0–0.5 mm;

corolla pink to lavender-pink, usually spotted with purple, 10–20 mm, throat 4–6 mm diam., abaxial lip pink or yellow, 3–6 mm, shorter than and appressed to adaxial;

stamens 4, filaments hairy, fertile pollen sacs 2 per filament, equal.

sepals 2, calyx bilaterally symmetric, spathelike, lobes triangular;

petals 5, corolla yellow, yellow-green, purple, pink, or red, strongly bilabiate, club-shaped, abaxial lobes 3, middle lobe tightly revolute, tip distinctly folded inside-out, adaxial 2, adaxial lip galeate, rounded at apex, opening downward;

stamens (2 or)4, didynamous, filaments hairy or glabrous;

staminode 0;

ovary 2-locular, placentation axile;

stigma slightly expanded at apex.

oblong-lanceoloid, 7–10 mm.

dehiscence loculicidal.

10–15, pale brown, ovoid, 1.5–2 mm, reticulate.

4–25, pale brown to dark brown, ovoid to reniform, wings absent.

= 6, 7.