Flora of North America species comparison

± uniform toward tuberoid, 1–12 mm diam. distal to leaves;

bracts 4–22.

uniform toward base, 0.7–3.5 mm diam. distal to leaves;

bracts 2–5(–10).

prostrate;

blade 7.5–32 × 1–8.4 cm.

prostrate to erect-spreading;

blade 5–18 × 1.1–3.5 cm.

sparsely to densely flowered, (3.5–)6–70 cm;

rachis usually longer than peduncle;

bracts 5–20 mm.

sparsely flowered, ± secund, (2–)10–30 cm;

rachis shorter than or equal to peduncle;

bracts 3–10 mm.

green;

fragrance when present nocturnal, faint, harsh to honeylike;

sepals 2.4–6 × 1.1–3 mm;

dorsal sepal ovate;

lateral sepals spreading to recurved, ± obliquely lanceolate to oblong;

petals erect-spreading, ± falcate, ovate-attenuate, 3–6 × 1.5–2.5 mm, inner margins forming U;

lip becoming strongly deflexed, triangular-lanceolate, 2.1–5 × 1.2–3.4 mm;

spur curved, mostly deflexed, (7–)9–15(–18) mm;

viscidia broadly elliptic-ovate, 0.4–0.6 × (0.2–)0.3–0.4 mm;

rostellum blunt.

white, fragrance faint, harsh to honeylike;

sepals oblong-elliptic, 1.8–3.5(–4.5) × 1–1.9 mm;

dorsal sepal projecting to ± recurved;

lateral sepals deflexed, ± twisted;

petals usually projecting forward and ± connivent, white, midvein faintly green, asymmetrically lanceolate, 2–4 × 1 mm;

lip recurved, triangular-ovate, (1.5–)2–3(–4 mm) × 1–2.8 mm;

spur curved, tapered, 1.5–4 mm;

viscidia broadly elliptic to ovate, 0.3–0.6 × 0.2–0.4 mm;

rostellum ± elongate.

4–11 mm.

5–9 mm.

cinnamon brown.

cinnamon brown.

= 42.

= 42.