Flora of North America species comparison

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

usually inconspicuous, slender, unbranched or branched.

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 lanceolate or broadly triangular, 3–10 mm, margins entire, sometimes ciliate, apex acute, 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.

racemes, sometimes thyrsoid, pale yellow, white, or tan proximally, purple or pale lavender distally, sometimes branched, densely glandular-pubescent, appearing whitish or canescent, sometimes with axillary branches;

flowers numerous;

bracts erect to reflexed, ± lanceolate, 11–20 mm, apex acute or acuminate, densely glandular-pubescent.

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

bracteoles 2.

0–5 mm, much 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 externally, purple internally, weakly bilaterally symmetric, 15–21 mm, deeply divided into 5 lobes, lobes lanceolate-attenuate, densely glandular-pubescent;

corolla 22–36 mm, tube white to pallid or cream, sometimes pinkish or light purplish tinged, rarely light yellow distally, sometimes with purple veins, constricted above ovary, only slightly bent forward, densely pubescent;

palatal folds prominent, yellow, densely 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, 5–9 mm, lobes broadly lanceolate, apex obtuse or rounded, adaxial lip erect or reflexed, 6–12 mm, lobes oblong, apex rounded;

filaments pilose with ring of hairs at insertion, anthers included, woolly.

ovoid, 6–7 mm.

ovoid, 8–12 mm.

0.3–0.5 mm.

0.4–0.5 mm.

= 48.

= 48.