Flora of North America species comparison

inconspicuous to conspicuous (often forming an amorphous mass), slender, usually branched.

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

several to numerous, appressed;

blade lanceolate to lanceolate-ovate, 5–10 mm, margins entire, apex acute, surfaces sometimes glandular-pubescent.

numerous, appressed;

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

spikelike racemes, purple, lavender, or pallid distally, rarely yellow, sometimes branched, glandular-pubescent;

flowers numerous;

bracts ± reflexed, lanceolate, 8–12 mm, apex acute or attenuate, densely glandular-pubescent.

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.

0–15 mm, much shorter than plant axis;

bracteoles 2.

2–10 mm (to 35 mm proximally), shorter than plant axis;

bracteoles 2.

calyx purple, lavender, or pallid, weakly bilaterally symmetric, 8–14 mm, deeply divided into 5 lobes, lobes lanceolate-subulate, glandular-pubescent;

corolla 14–20 mm, tube white to pallid or cream, sometimes pinkish or light purplish tinged distally, sometimes with purple veins, constricted above ovary, slightly curved forward, glandular-pubescent;

palatal folds prominent, yellow, pubescent;

lips externally white to pallid or cream, sometimes pinkish or light purplish tinged, internally pink or purple, sometimes white with purple veins, rarely light yellow, abaxial lip spreading, 3–5 mm, lobes oblong-lanceolate, apex obtuse or rounded, adaxial lip erect or slightly reflexed, 4–6 mm, lobes ovate, sometimes deltate, apex rounded or obtuse to bluntly pointed;

filaments glabrous or pilose at base, anthers included or slightly exserted, glabrous or with few woolly hairs along sutures.

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, 6–13 mm.

ovoid to cylindric-ovoid, 8–10 mm.

0.3–0.5 mm.

0.3–0.5 mm.

= 48.

= 48.