Flora of North America species comparison

erect, 10–80 cm, puberulent, pubescent, or densely villous.

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

glandular-pubescent;

proximal 10–40 mm, margins 3–5-lobed, lobes linear to filiform, 1–3 mm wide;

distal 10–25 × 1 mm, margins entire.

glandular-pubescent and pilose;

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

distal 10–30 × 1 mm, margins entire.

capitate spikes, 2–12-flowered, or flowers solitary;

bracts 1–6, 10–40 mm, margins 3-lobed, lobes purple distally, narrowly lanceolate, linear, or filiform.

capitate spikes, 2–5-flowered;

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

bracteoles 10–40 mm, margins pinnately lobed.

bracteoles 12–18 mm, margins entire.

calyx 15–30(–40) mm, tube 1–2.5 mm, apex 2-fid, cleft 2–3 mm;

corolla lavender-pink to purple-red or yellow with purple veins and markings, 15–25(–30) mm, throat 5–7 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 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.

oblong-lanceoloid, 6–12 mm.

ovoid to oblong-ovoid, 5–7 mm.

15–20, light brown, ovoid to reniform, 2–2.5 mm, reticulate and papillate.

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

= 26.