Flora of North America species comparison

erect or ascending, 10–50 cm, densely glandular-pubescent and pilose.

erect or ascending, 30–120(–150) cm, glabrous or puberulent.

glandular-pubescent and pilose;

proximal 20–40(–50) mm, margins 3-lobed, lobes 1–2 mm wide;

distal 10–30 × 1 mm, margins entire.

puberulent or glabrous;

proximal 10–40 mm, margins 3-lobed, lobes 1–2 mm wide;

distal 5–20 × 1 mm, margins entire.

capitate spikes, 2–5-flowered;

bracts 1–5, 10–20 mm, margins 3-lobed, lobes green and purple, linear to linear-lanceolate.

capitate spikes, 2–4-flowered, 15–20 mm;

bracts 1–3, flabelliform, 5–8 mm, margins 3–7-lobed, lobes green, narrowly ovate.

bracteoles 12–18 mm, margins entire.

bracteoles 8–10 mm, margins entire.

calyx 10–15 mm, tube 2–4 mm, apex 2-fid, cleft 3–5 mm;

corolla purple-red, apex yellow, 10–20 mm, throat 4–6 mm diam., abaxial lip 3–5 mm, ca. equal to and appressed to adaxial;

stamens 2, filaments glabrous, fertile pollen sacs 1 per filament, vestigial pollen sacs present.

calyx 8–10 mm, tube 0 mm, apex 2-fid, cleft 0.5–1 mm;

corolla pale yellow to yellow with purple markings, 8–9 mm, throat 4 mm diam., adaxial lip 3–4 mm, ca. equal to and appressed to adaxial;

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

ovoid to oblong-ovoid, 5–7 mm.

oblong-ovoid, 5–8 mm.

4–6, dark brown, narrowly ovoid to reniform, 2–2.5 mm, reticulate.

4–6, dark brown, ovoid to narrowly reniform, 2.5–3 mm, striate.

= 26.

= 28.