Flora of North America species comparison

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

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

rather dense.

dense.

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.

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.