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, spreading to ascending, abruptly or gradually reduced to bracts distally;

blade linear-lanceolate or lanceolate to lance-oblong, 15–26 × 1–3 cm.

lax to very dense.

rather 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.

resupinate, showy, orange to pale dull yellow;

dorsal sepal entire or emarginate;

lateral sepals reflexed;

petals linear to obovate, apically fringed to merely lacerate-dentate;

lip porrect, ovate to ovate-orbiculate, without basal thickening, 5–10 × 4–9 mm, margins deeply filiform-fringed;

spur slenderly cylindric, 8–17 mm;

rostellum lobes directed downward, distally retrorse, digitate;

pollinaria with stalks recurved;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate to suborbiculate;

ovary slender, 10–19 mm.

= 42.