Flora of North America species comparison

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

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

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.

numerous, appressed;

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

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.

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.

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

bracteoles 2.

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

bracteoles 2.

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.

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, 6–7 mm.

ovoid to cylindric-ovoid, 8–10 mm.

0.3–0.5 mm.

0.3–0.5 mm.

= 48.

= 48.