Flora of North America species comparison

inconspicuous, slender or stout, unbranched or few-branched.

conspicuous (usually forming an irregularly globular mass), stout, unbranched.

few to several, erect or reflexed;

blade oblong-ovate to ovate-triangular or awl-shaped, (4–)6–12(–15) mm, margins entire, apex acute or acuminate, surfaces glandular-pubescent distally.

numerous, appressed proximally, spreading distally;

blade lanceolate to oblong-ovate or triangular-ovate, 6–20 mm, margins entire, apex acute to acuminate, surfaces usually glabrous.

fascicles, irregular corymbs, or short racemes of (1–)6–15(–20) flowers at stem or branch tips, light yellow to yellow or tinged pinkish to reddish purple, simple, densely glandular-pubescent, sometimes glabrescent proximally;

bracts erect or ± spreading, oblanceolate to oblong, lanceolate, or awl-shaped, sometimes ovate, 7–12 mm, apex acute, sometimes acuminate, moderately to densely glandular-pubescent.

open, cylindric panicles, ochraceous, red-brown, purple or purple streaked, yellow, or cream-white, loosely branched, rarely simple, cinereous glandular-puberulent;

flowers numerous, widely spaced proximally, clustered distally;

bracts reflexed, narrowly lanceolate, 3–6 mm, apex acuminate, moderately glandular-puberulent.

10–70(–150) mm, proximal as long as or ± longer than plant axis, distal sometimes shorter;

bracteoles 0.

0–2(–6) mm, much shorter than plant axis;

bracteoles 2.

calyx light yellow to orangish yellow, tan, or grayish tan, often purplish tinged distally, sometimes entirely pinkish purple to reddish purple or dark purple, ± radially symmetric, (4–)6–12(–18) mm, divided into 5 subequal lobes, lobes shorter than to slightly longer than tube, triangular to subulate-triangular, moderately to densely glandular-pubescent;

corolla (11–)14–30(–38) mm, tube white to cream or yellow, purplish tinged, or pinkish purple to reddish purple, sometimes with darker pink, purple, or brown veins, slightly to moderately constricted above ovary, ± bent forward, glabrate or glandular-pubescent;

palatal folds ± prominent, usually yellow, moderately to densely glandular-pubescent;

lips yellow or pinkish purple to reddish purple, rarely white, sometimes with darker purple veins, abaxial lip ± spreading, 3–6(–9) mm, lobes oblong-obovate to nearly round, sometimes oblong-elliptic, apex rounded or ± pointed, sometimes shallowly emarginate, adaxial lip slightly to moderately spreading or recurved, (2–)3–6(–9) mm, lobes oblong-ovate to nearly round, sometimes oblong-elliptic, apex rounded or ± pointed;

filaments glabrous, anthers included, glabrous or villous-tomentose.

calyx yellow, brown, or purple, ± radially symmetric, 5–8 mm, divided into 5 subequal lobes, lobes slightly shorter than to ca. as long as tube, subulate, puberulent;

corolla 13–19 mm, tube white, cream, or light yellow, sometimes reddish brown to purple tinged or with reddish brown or purple veins, strongly constricted above ovary, bent forward, glandular-pubescent;

palatal folds not prominent, pale or light yellow, glabrous;

lips externally white, cream, or light yellow, sometimes reddish or purplish tinged distally or with reddish brown to purple veins, internally reddish brown to purple, sometimes pale with reddish brown or purple veins, abaxial lip spreading, 3–4 mm, lobes narrowly lanceolate, apex rounded, adaxial lip spreading, 3–4 mm, lobes lanceolate, apex rounded, acute, or emarginate;

filaments with ring of hairs at base, anthers included or 1 pair exserted, glabrous or sparsely pubescent.

ovoid to oblong-ovoid, 6–12 mm.

ovoid, 6–7 mm.

0.2–0.5 mm.

0.3–0.5 mm.

= 48.

= 48.