Flora of North America species comparison

2–5, wide-spreading, recurved to somewhat ascending, scattered along stem, gradually reduced to bracts distally;

blade lanceolate, oblong-elliptic, or oblong-obovate, 5–22 × 1.5–7 cm.

1–3, ascending to spreading, abruptly or gradually reduced to bracts distally, often fugaceous and withered at anthesis;

blade linear to linear-lanceolate, 3–31 × 0.3–2 cm.

lax to very dense.

dense.

resupinate, showy, lavender- to rose-purple, rarely white;

lateral sepals reflexed to somewhat spreading;

petals spatulate to broadly obovate or cuneate-oblong, margins dentate-lacerate to sparsely fringed;

lip descending to somewhat porrect, deeply 3-lobed, without basal thickening, 5–13 × 5–17 mm, distal margins of lobes fringed, sometimes deeply, lateral lobes often reflexed or slightly elevated above middle lobe, broadly to narrowly cuneate, middle lobe sometimes reflexed, broadly cuneate-flabellate, often emarginate to 2-fid;

spur slenderly cylindric to slightly clavate, 12–22 mm;

rostellum lobes nearly parallel, directed downward, short, rounded;

pollinaria nearly straight;

pollinia remaining enclosed within anther sacs;

viscidia suborbiculate to broadly elliptic;

ovary slender to stout, 9–16 mm.

not resupinate, showy, white;

lateral sepals spreading;

petals linear-oblong to oblong or elliptic, falcate, basally somewhat dilated, margins entire;

lip reflexed ± at middle, linear-elliptic to linear-oblong, without basal thickening, 3–8 × 1–3 mm, margins entire;

spur slenderly cylindric, 10–18 mm;

rostellum lobes directed downward, very short, obscure, rounded;

pollinaria straight, pollinia remaining enclosed in anther sacs;

viscidia oblong to linear-oblong;

ovary slender, 4–12 mm.

= 42.