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.

few–several, ascending to recurved-spreading, scattered along stem, gradually reduced to bracts distally;

blade linear, linear-lanceolate, oblong, or oblanceolate, 3.5–32 × 0.3–7 cm.

lax to rather dense.

very lax to very 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, rather showy, conspicuous, white;

lateral sepals spreading to reflexed;

petals ovate- to linear-lance-falcate, margins entire;

lip descending or apex adhering to dorsal sepal and petal apices, linear-lanceolate to lanceolate, without basal thickening, 4–11 × 2–5 mm, base slightly rounded-dilated to orbiculate, rarely rhombic, margins entire;

rostellum lobes parallel to slightly divergent, directed downward, very small, obscure, rounded;

pollinaria straight;

pollinia remaining enclosed in anther sacs;

ovary rather slender to stout, 5–15 mm.

= 42.

= 42.