OregonFlora species comparison

15–65 cm tall.

25–40 cm tall.

2–4, oblong to oblanceolate, 10–15 × 1–4 cm;

apex obtuse;

basal leaves prostrate and flaccid, withering at or before anthesis.

cauline, 2–4, 5–14 × 1–3 cm; lower leaves clasping stem; upper leaves becoming bracts within the inflorescence, green through anthesis.

densely to loosely 20–60 or more-flowered.

densely to loosely 20–40-flowered.

more or less spreading, white to whitish green;

dorsal sepal ovate-lanceolate, 3–5 × 1–2 mm, often with a greenish central stripe;

lateral sepals oblong-lanceolate, slightly oblique, 3–5 × 1–2 mm, spreading to recurved;

petals ovate-lanceolate, slightly oblique, 2–5 × 1–2 mm, spreading, often with a greenish central stripe;

lip triangular-lanceolate, dilated at base and constricted below the middle, 2–6 × 2–3 mm, descending to deflexed;

spur curved and descending; much longer than lip, 15–18 mm, often white or greenish white fading to green at tip.

yellowish green; more or less spreading;

dorsal sepal ovate, 3–7 × 2–4 mm;

lateral sepals elliptic-lanceolate and oblique, 3–6 × 1–3 mm, spreading to reflexed;

petals ovatelanceolate; sickle-shaped, 3–6 × 1–3 mm;

lip rhombic-lanceolate, basally dilated; dull yellowish, 2.5–6 × 2–3 mm, descending or the apex caught in the tip of the converging dorsal sepal and petals;

spur more or less equal in length to lip; cylindrical and tapering, 4–6 mm.

=42.