Flora of North America species comparison

3–4, 4–35 cm;

blade strongly keeled, ± glaucous.

3–4, 30–85 cm;

blade unkeeled, glaucous.

self-supporting, with occasional bends, 30–80(–90) cm, ± scabrous.

self-supporting, with occasional bends, 20 (rarely –90) cm, scabrous.

racemose, very dense, 6–15-flowered;

bracts pale purple to green, widely lanceolate, 6–12 mm.

umbellate, dense, 6–15-flowered;

bracts streaked purple, ovate, 7–12 mm, apex acuminate.

horizontal or erect;

perianth bluish purple, tube unangled, narrowly ovoid, slightly constricted above ovary, 8–10 mm, lobes ascending, 8–10 mm;

perianth appendages 1 per stamen, each coalescent to an inner and outer tepal, leaning away from inner anthers to form corona, erect, purplish, narrowly lanceolate, 5–6 mm, apex deeply 2-fid into 2 wings;

stamens 3, equal;

anthers 4–5 mm;

ovary sessile, 4–6 mm;

style 5–6 mm;

pedicel 1–6 mm.

horizontal or erect;

perianth pink to bluish purple, tube unangled, cylindrical, strongly constricted above ovary, 8–10 mm, lobes widely spreading, 8–10 mm;

perianth appendages each coalescent to inner and outer tepal, arching slightly inward (but outward distally) toward anthers, forming corona, erect, white or pale purple, 5–6 mm, margins entire or denticulate, strongly involute, apex truncate or rounded;

stamens 3, equal;

anthers 4–5 mm;

ovary sessile, globose, 4–6 mm;

style 5–8 mm;

pedicel 3–15 mm, not hidden by bracts.

= 18, 36.

= 18, 36, 45, 54.