Flora of North America species comparison

short.

short.

4–10, 2-ranked, recurving, gray, 6–12 × 0.2–0.3 cm, densely pruinose-scaly;

sheath pale, elliptic, not inflated, not forming pseudobulb, 4–8 mm wide;

blade subulate, terete distally, succulent, margins involute to nearly tubular, apex acute to attenuate.

15–30, many-ranked, finely appressed, erect, green to reddish green, 20–30 × 0.1–0.4 cm, uniformly scaly throughout;

sheath rust-colored, broadly triangular, flat, not forming pseudobulb, 0.8–1.8 cm wide;

blade very narrowly linear-triangular, ribbed, leathery, margins involute, apex filiform-attenuate.

scape conspicuous, erect, 2–5 cm, ± 1 mm diam.;

bracts 1–2, widely spaced, erect, inconspicuous, nearly foliaceous;

sheath of bracts narrowing gradually into blade;

spikes ascending, subpalmate, elliptic, compressed, 8–15 ´ 4–6 mm, apex acute;

lateral branches absent.

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

bracts densely imbricate, erect;

sheath of bracts, especially upper ones, narrowing abruptly into blade;

spikes erect, palmate (rarely simple), linear, compressed, 1–4 × 0.5–0.6 cm, apex acute;

branches 1–5.

usually 2, conspicuous;

sepals free, lanceolate, not keeled, 6–8 mm, thin, veined, apex acute, surfaces glabrous;

corolla tubular;

petals spreading toward apex, violet, elliptic, 0.7–1 cm;

stamens included;

stigma included, simple-erect.

3–15, conspicuous;

sepals with adaxial pair connate, elliptic, keeled, 0.8–1 cm, thin-leathery, veined, apex acute, surfaces slightly scaly;

corolla tubular, petals erect, lavender, ligulate, 1.8–2.2 cm;

stamens exserted;

stigma exserted, conduplicate-spiral.

to 3 cm.

2–3 cm.

bracts laxly imbricate, erect, green, tinged purple, broad (covering all or most of rachis, rachis not visible at anthesis), narrowly elliptic, not keeled, 0.8–1 cm, thin-leathery, apex acute, surfaces densely grayish-scaly, venation even to slight.

bracts imbricate, erect, green or tinged red, broad (covering all or most of rachis, rachis not visible at anthesis), ovate, keeled only toward apex, 0.8–1.2 cm, thin-leathery, base not visible at anthesis, apex attenuate to acute, surfaces appressed-pale scaly, venation slight.