Flora of North America species comparison

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

inconspicuous (often very short and knobby), slender, usually unbranched.

thickened, fleshy.

relatively few, loosely imbricate or more remote, loosely ascending to spreading;

blade oblong-lanceolate to awl-shaped, 2–10 mm, margins entire, often inrolled, apex acuminate, surfaces glabrous.

numerous, appressed;

blade broadly ovate, 7–12 mm, margins entire, apex obtuse, surfaces glandular-pubescent.

of solitary flowers or fascicles of 2(–4) at stem or branch tips, white to cream, sometimes purple tinged, simple, glabrous;

bracts loosely ascending and erect, oblanceolate to broadly ovate, obovate, rhombic, or awl-shaped, 5–12 mm, apex acute to acuminate, glabrous, rarely glandular-pubescent distally.

spikelike racemes, pallid creamy or yellow, purplish tinged, simple, sometimes branched, densely glandular-pubescent;

flowers numerous;

bracts erect to spreading, narrowly lanceolate-ovate, 10–12(–19) mm, apex acute, glandular-pubescent.

(8–)20–110(–170) mm, much longer than plant axis;

bracteoles 0.

0–10(–12) mm, much shorter than plant axis;

bracteoles 2.

calyx white to straw colored or light yellow, or pale to dark, dull purple, sometimes brownish, ± radially symmetric, 4–12(–15) mm, divided into 5 subequal lobes, lobes slightly shorter than to 2 times as long as tube, ± triangular or subulate-triangular, sparsely to moderately glandular-pubescent;

corolla (11–)15–30(–35) mm, tube white to purple, blue, or yellow, sometimes lighter proximally or with light or darker purple or blue veins, slightly to moderately constricted above ovary, ± bent forward, glandular-pubescent;

palatal folds ± prominent, bright yellow, glandular- and/or eglandular-pubescent, sometimes glabrescent;

lips white, yellow, purple, or blue, sometimes with light or darker purple or blue veins, abaxial lip slightly to moderately spreading, sometimes ± recurved distally, (1–)2–6(–9) mm, lobes oblong-obovate to nearly round, apex rounded to bluntly pointed or shallowly emarginate (sometimes with 2 notches), adaxial lip slightly to moderately spreading, sometimes recurved, 2–6(–9) mm, lobes broadly oblong-ovate to oblong-semiorbiculate, apex rounded, rarely bluntly pointed or shallowly emarginate;

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

calyx white or pinkish, or purple tinged, often pallid, radially or weakly bilaterally symmetric, 7–18 mm, deeply divided into 5 lobes, lobes subulate to attenuate, densely glandular-pubescent;

corolla 15–25 mm, tube white to pallid, yellow, or buff, slightly constricted above ovary, straight to curved forward, glandular-pubescent;

palatal folds prominent, yellow, glabrous;

lips externally white to pallid, yellow, or buff, sometimes slightly reddish tinged distally, internally maroon or reddish purple, sometimes with maroon or reddish purple stripes, veins, or blotches, abaxial lip erect to spreading or recurved, 4–8 mm, lobes narrowly ovate to oblong, apex rounded, blunt, retuse, or erosulate, adaxial lip erect to ± spreading, 4–8 mm, lobes oblong or oblong-ovate, apex rounded, truncate, retuse, or erosulate;

filaments sparsely pilose at base, sometimes glandular hairs present near connective, anthers included, moderately woolly or glabrous.

ovoid to oblong-ovoid, 4–8(–11) mm.

oblong-ovoid, 7–12 mm.

0.1–0.4 mm.

0.3–0.5 mm.