Flora of North America species comparison

short.

short.

15–30, many-ranked, erect to spreading, gray, 15–40 × 0.2–0.5 cm, coarsely appressed-scaly;

sheath rust-colored toward base, broadly triangular, flat, not forming pseudobulb, 1–2 cm wide;

blade linear-subulate, leathery, margins involute, apex attenuate.

20–50, many-ranked, erect to spreading, gray to gray-green, 25–50 × 1–2.5 cm, grayish-scaly;

sheath dark rust colored toward base, broadly elliptic, flat, not forming pseudobulb, 3–4 cm wide;

blade narrowly triangular, tapering evenly from base to apex, stiff, leathery, channeled to involute, apex attenuate.

scape conspicuous, erect, 8–15 cm, 2–4 mm diam.;

bracts densely imbricate, erect;

sheath of bracts narrowing gradually into blade;

spikes erect, simple or palmate, linear, compressed, 2–4 × 1 cm, apex acute; simple or lateral branches 1–5.

scape conspicuous, erect or ascending, 10–35 cm, 4–8 mm diam.;

bracts densely imbricate, erect to spreading, like leaves but gradually smaller;

sheath of bracts narrowing gradually into blade;

spikes erect to spreading, densely palmate to laxly 2(–3)-pinnate, narrowly elliptic, compressed, 5–20 × 1.5–2.5 cm, apex acute;

lateral branches 3–15.

5–20, conspicuous;

sepals with adaxial pair connate, elliptic, keeled, to 1.5 cm, thin-leathery, veined, apex obtuse, surfaces scaly;

corolla tubular, petals erect, violet, ligulate, 3–4.5 cm;

stamens exserted;

stigma exserted, conduplicate-spiral.

10–50, conspicuous;

sepals with adaxial pair connate, lanceolate, to 1/2 keeled, to 4.2 cm, leathery, slightly veined, apex acute, surfaces glabrous to slightly scaly;

corolla tubular, petals erect, violet (white), ligulate, 5–6 cm;

stamens exserted;

stigma exserted, conduplicate-spiral.

2.5–3 cm.

to 4 cm.

bracts imbricate, erect, uniformly red to rose, broad (covering all or most of rachis, rachis not visible at anthesis), elliptic, keeled apically, 1.4–1.7 cm, thin-leathery, base not visible at anthesis, apex acute, surfaces scaly distally, becoming sparsely scaly toward base, venation slight.

bracts imbricate, erect, red, red-yellow-green, or green, broad (covering all or most of rachis, rachis not visible at anthesis), elliptic, keeled, 2–4.8 × 1.2–2 cm, thin-leathery, base not visible at anthesis, apex acute, surfaces glabrous or slightly scaly toward apex, venation even to slight.