Flora of North America species comparison

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

inconspicuous or conspicuous (often forming an amorphous mass), slender, branched or unbranched.

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 to ovate-triangular, narrower distally, 6–9 mm, margins entire, apex acute or obtuse, 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.

spikelike racemes, purple, lavender, or pallid, sometimes branched, glandular-pubescent, often ± viscid;

flowers numerous;

bracts usually reflexed, lanceolate, 8–15 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 purple, rarely pale lavender externally, weakly bilaterally symmetric, 7–11(–13) mm, deeply divided into 5 lobes, lobes lanceolate-linear to linear-subulate, densely glandular-pubescent;

corolla (13–)15–22 mm, tube white, distally often tinged with purple or pink, or with dark purple veins, constricted above ovary, slightly to moderately bent forward, glandular-puberulent to -pubescent;

palatal folds prominent, yellow, pubescent;

lips internally ± purple or lavender, often with darker veins, abaxial lip erect to slightly spreading, 3–4 mm, lobes narrowly oblong-triangular, apex acute, adaxial lip erect to ± spreading, 4–6 mm, lobes triangular, apex acute;

filaments glabrous or pubescent at base, anthers included, glabrous or sparsely pubescent.

ovoid to oblong-ovoid, 4–8(–11) mm.

ovoid, 7–10 mm.

0.1–0.4 mm.

0.3–0.5 mm.

= 48.