Flora of North America species comparison

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

usually relatively conspicuous, slender, unbranched or with short bifurcations.

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 rounded or deltate, 3–8 mm, margins entire or erosulate, apex rounded to subacute, surfaces glabrous.

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.

compact corymbs (sometimes subracemose in robust specimens), pallid, usually infused with purple, often branched, densely glandular-puberulent;

flowers numerous;

bracts erect to slightly reflexed, ± lanceolate to oblanceolate, 5–10 mm, apex retuse or erosulate, sometimes obtuse to acute, glandular-pubescent.

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

bracteoles 0.

2–10 mm (to 35 mm proximally), 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 pallid to dark purple, weakly bilaterally symmetric, 6–14 mm, deeply divided into 5 subequal lobes, lobes subulate to narrowly spatulate, densely glandular-pubescent;

corolla (8–)15–25(–30) mm, tube white to cream, sometimes pale purplish tinged distally, sometimes with purple veins, slightly constricted above ovary, slightly dilated distally, straight or ± curved forward, glandular-puberulent;

palatal folds prominent, cream to lemon, glabrous;

lips white to cream, sometimes purplish tinged distally (especially internally and on adaxial lip), sometimes with purple veins, abaxial lip erect to slightly spreading, 4–6(–9) mm, lobes oblong to oblong-ovate, apex rounded to truncate, adaxial lip erect to barely spreading, 4–6(–9) mm, lobes oblong to lanceolate, apex rounded to truncate, sometimes shallowly emarginate;

filaments glabrous at base, anthers included or barely exserted, glabrous or with few long hairs.

ovoid to oblong-ovoid, 4–8(–11) mm.

ovoid to cylindric-ovoid, 8–10 mm.

0.1–0.4 mm.

0.3–0.5 mm.

= 48.