Flora of North America species comparison

2–6, wide-spreading and recurved to somewhat ascending, scattered along stem, gradually reduced to bracts distally;

blade lanceolate, elliptic, oblong-elliptic, or oblong-obovate, 13–24 × 2.5–9 cm.

2–4, spreading to ascending, gradually to somewhat abruptly reduced to bracts distally;

blade lanceolate to lance-elliptic, 5–40 × 0.6–6 cm.

lax to rather dense.

rather dense.

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

lateral sepals spreading to somewhat reflexed;

petals ovate, oblong, elliptic-oblong, or oblong-obovate, margins crenate to dentate-lacerate, sometimes nearly entire;

lip descending to somewhat porrect, deeply 3-lobed, without basal thickening, 10–25 × 14–26 mm, distal margins of lobes fringed, usually deeply, lateral lobes sometimes perpendicular to middle lobe, lateral lobes cuneate, often broadly so, middle lobe broadly cuneate-flabellate, often emarginate to 2-fid;

spur clavate, 15–35 mm;

rostellum lobes directed forward, spreading, angular;

pollinaria nearly straight;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender to stout, 12–25 mm.

resupinate, showy, orange;

dorsal sepal entire or rarely emarginate;

lateral sepals reflexed;

petals linear to linear-cuneate, margins apically fringed;

lip porrect to descending, oblong to broadly ovate-spatulate, without basal thickening, 8–19 × 4–18 mm, margins deeply filiform-fringed;

spur slenderly cylindric, rarely slightly clavate, 20–35 mm;

rostellum lobes scarcely to markedly curving forward, slightly spreading, angular-elongate;

pollinaria with stalks nearly straight to curved forward;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender, 12–27 mm.

= 42.