Flora of North America species comparison

erect to ascending, 20–80(–120) cm, glabrous or sparsely glandular-puberulent, puberulent, and/or pilose.

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

puberulent, often pilose, or glabrous;

proximal 20–60 mm, margins entire or 3-lobed, lobes 0.5–1 mm wide;

distal 10–40 × 0.3–2 mm, margins entire.

densely pilose;

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

distal 5–15 × 1 mm, margins entire.

spikes, 2–7-flowered, or flowers solitary;

bracts 1–4, 5–20 mm, margins entire or 3-lobed, lobes green or purple distally, narrowly lanceolate to linear-lanceolate, apex rounded.

spikes, 1(–4)-flowered;

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

bracteoles 10–20 mm, margins entire or toothed.

bracteoles 10–20 mm, margins entire.

calyx 10–20 mm, tube 0 mm, apex 2-fid, cleft 1 mm;

corolla pale yellow, marked with purple along veins and galea, 10–20 mm, throat 6–8 mm diam., abaxial lip 4–6 mm, ca. equal to and appressed to adaxial;

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

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.

narrowly ovoid, 5–10 mm.

oblong-lanceoloid, 7–8 mm.

6–16, dark brown, ovoid to rhomboid, 1.5–2.5 mm, striate.

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

= 26.