Flora of North America species comparison

elongate.

short.

4–8, 2-ranked, often twisted or contorted, gray to silver-gray, 1.5–3 × 0.1–0.2 cm, densely grayish-scaly;

sheath pale, narrowly elliptic, not inflated, not forming pseudobulb, 0.2–0.4 cm wide;

blade filiform, succulent, margins involute to nearly tubular, apex acute.

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 concealed within leaf sheath, appearing scapeless, pendent with shoot, ± 1 mm diam.

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.

1, inconspicuous, apparently sessile;

sepals free, ovate, not keeled, 0.6–0.7 cm, thin, veined, apex acute, surfaces glabrous;

corolla spreading, petals spreading, yellow-green, elliptic, to 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 2.5 cm.

2–3 cm.

bracts enveloping flower, erect, green, broad (covering all or most of rachis, rachis not visible at anthesis), ovate, not keeled, 0.4–0.5 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.