Flora of North America species comparison

erect, 10–30(–90) cm, puberulent, sometimes pilose.

erect, 30–90 cm, hirsute to pilose, hairs glandular and eglandular.

puberulent;

proximal 10–40 mm, margins 3–5-lobed, lobes 1–2 mm wide;

distal 10–15 × 0.5–1 mm, margins entire.

densely pilose;

proximal 5–20 mm, margins 3-lobed, lobes 1 mm wide;

distal 5–15 × 1 mm, margins entire.

capitate spikes, 3–7-flowered;

bracts 1–7, 10–20 mm, margins 5–7-lobed, lobes green, sometimes purple distally, filiform.

spikes, 1(–4)-flowered;

bract 1, 5–7 mm, 3-lobed, lobes green or purple, narrowly lanceolate.

bracteoles 10–20 mm, margins entire.

bracteoles 10–20 mm, margins entire.

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

corolla pale yellow, spotted and streaked with purple, 10–20 mm, throat 4–6 mm diam., abaxial lip 3–5 mm, ca. equal to and appressed to adaxial;

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

calyx 10–17 mm, tube 2 mm, apex 2-fid, cleft 0.5–1 mm;

corolla bright yellow, 15–20 mm, throat 3–5 mm diam., abaxial lip 7–10 mm, shorter than adaxial and slightly spreading;

stamens 4, filaments hairy, fertile pollen sacs 1 per filament, vestigial pollen sacs present.

oblong-lanceoloid, 8–10 mm.

oblong-lanceoloid, 7–8 mm.

10–20, light brown, narrowly ovate, 1.5–2 mm, reticulate.

15–20, light brown, reniform, 1.5–2 mm, reticulate and papillate.

= 24.

= 26.