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 slightly spreading, gray, 20–50 × 0.5–1 cm, coarsely appressed-scaly;

sheath dark chestnut brown toward base, triangular, flat, not forming pseudobulb, to 2.5 cm wide;

blade narrowly linear-triangular, channeled, leathery, margins 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, 15–30 cm, 3–6 mm diam.;

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

sheath of bracts narrowing gradually into blade;

spikes erect, 2-pinnate, narrowly elliptic, compressed, 2–7 × 1.5 cm, apex acute;

lateral branches 2–10.

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.

10–40, conspicuous;

sepals with adaxial pair connate, lanceolate, keeled, 1.7–2.2 cm, thin-leathery, veined, apex acute, surfaces slightly scaly;

corolla tubular, petals erect, violet, ligulate, to 4.5 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, uniformly red to rose, broad (covering all or most of rachis, rachis not visible at anthesis), elliptic, keeled apically, 2–2.5 cm, thin, base not visible at anthesis, apex acute, surfaces scaly distally, becoming sparsely scaly toward base.