Flora of North America species comparison

numerous, spreading, mostly to 1 cm diam., stout.

mostly to 1 cm diam., few, stout.

persisting through anthesis, to 4–5, basal, reduced to sheathing bracts upward on stem, spreading, linear-lanceolate, keeled, 5–25 × 1 cm.

withering at anthesis, 3–7, basal, spreading, oblanceolate, 5.5 × 0.75–1 cm.

spikes loosely to tightly spiraled, 3–7 or more flowers per cycle of spiral, sometimes nearly secund;

rachis densely pubescent, trichomes articulate, pointed, capitate glands absent.

secund to tightly spiraled, 8–10 flowers per cycle of spiral;

rachis pubescent, some trichomes capitate, glands obviously stalked.

nodding to somewhat ascending, white to cream, mostly gaping;

sepals distinct to base, lanceolate, 6–10 × 2–3 mm;

lateral sepals spreading;

petals oblong, 6–9 × 2 mm, apex obtuse;

lip creamy yellow centrally or some individuals with 2 brown-orange spots, ovate, 5–8 × 4 mm;

veins of lip straight, branches parallel;

basal calli conic, to 1 mm;

viscidium linear-lanceolate;

ovary mostly 8 mm.

white;

sepals green at base, spatulate, 3–4.5 × 1 mm;

petals green at base, linear to lance-oblong, 3–4.5 × 1 mm, apex acute to obtuse;

lip with distinct green central portion, ovate to oblong, 3–5 × 2–3 mm, narrowed to rounded apex;

veins several, divergent;

basal calli pointed outward, thickened, mostly to 1 mm;

viscidium linear-lanceolate;

ovary mostly 3 mm.

monoembryonic.

monoembryonic.

= 30.