Flora of North America species comparison

erect or ascending, 10–90(–120) cm, densely puberulent and glandular-puberulent, and pilose.

erect or ascending, 20–90 cm, puberulent and glandular-puberulent or scabrous, often glabrate.

puberulent and pilose;

proximal 15–40 mm, margins 3-lobed, lobes 0.1–0.5 mm wide;

distal 10–25 × 0.1–0.3 mm, margins entire.

puberulent or glandular-puberulent, often glabrescent;

proximal 20–35 mm, margins 3–7 lobed, lobes 0.5–1.5 mm wide;

distal 10–20 mm, margins entire or 3-lobed.

spikes, 2- or 3-flowered, or flowers solitary;

bracts 1–4, 10–20 mm, margins entire or 3-lobed, lobes green or purple distally, linear-lanceolate.

capitate spikes, 2–12-flowered, 20–40 mm;

bracts 2–10, green or purple distally, 15–30 mm, margins (4 or)5–9-lobed, lobes linear.

bracteoles 15–20 mm, margins entire or toothed.

bracteoles 15–30 mm, margins toothed or lobed.

calyx 15–20 mm, tube 0–1 mm, apex 2-fid, cleft 0.5–1 mm;

corolla pale yellow to yellow-green, streaked and spotted with maroon, 15–20 mm, tube 5–10 mm, throat 5–8 mm diam., abaxial lip 5–10 mm, ca. equal to and appressed to adaxial;

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

calyx lanceolate, 20–25 mm, tube 3–4 mm, apex 2-fid, cleft 1–2 mm;

corolla bright or pale yellow or lavender-pink with purple markings, 20–30 mm, throat 6–8 mm diam., abaxial lip 5–8 mm, ca. equal to and appressed to adaxial;

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

oblong-ovoid, 6–10 mm.

oblong, 10–15 mm.

10–18, dark brown, ovoid, 1.5–2.5 mm, striate.

15–20, brown, oblong-ovoid, 2–2.5 mm, reticulate.

= 28.