Platanthera stricta |
Platanthera sparsiflora |
|
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slender bog orchid |
few-flowered rein orchid, sparse-flowered bog orchid |
|
Stems | 10–65 cm tall. |
25–65 cm tall. |
Leaves | cauline, 4–10, oblong to linear-lanceolate, 10–11 × 1–3 cm, green through anthesis; apex obtuse; lower leaves clasping stem; upper leaves becoming bracts within the inflorescence. |
cauline, 4–10, oblong to elliptic-lanceolate, 9–18 × 0.5– 2 cm, green through anthesis; lower leaves clasping stem; upper leaves becoming bracts within the inflorescence. |
Inflorescences | densely to loosely 20–40-flowered. |
loosely 20–40-flowered. |
Flowers | more or less spreading, green; dorsal sepal ovate, 3–5 × 3–4 mm; lateral sepals lanceolate and oblique, 4–6 × 2–3 mm; petals lanceolate, sickleshaped, 3–5 × 1–2.5 mm; lip linear-elliptic to lanceolate, 4–8 × 1–2 mm, descending; spur shorter than lip and distinctly pouchshaped. |
more or less spreading, green; dorsal sepal ovate-elliptic, 5–7.5 × 4–6 mm; lateral sepals elliptic-lanceolate and oblique, 6–10 × 3–4 mm; petals lanceolate; sickle-shaped, 6–8 × 3–4.5 mm; lip linear-elliptic to lanceolate, 6–14 × 1.5–3 mm, descending to slightly recurved; spur cylindrical and tapering; as long or longer than lip. |
2n | =42. |
=42. |
Platanthera stricta |
Platanthera sparsiflora |
|
Distribution | ||
Discussion | Wet meadows, roadside ditches, stream sides, fens, seeps, springs. Flowering Jun–Aug. 0–2300m. BW, Casc, CR, ECas, Est, Sisk. CA, ID, WA; north to AK, east to WY. Native. Widespread, P. stricta is easily identified by its distinctive pouch-like spurs. |
Wet meadows, roadside ditches, stream sides, fens, seeps, springs. Flowering May–Aug. 0–1900m. Casc, CR, ECas, Est, Sisk. CA, NV; southeast to NM, south to Mexico. Native. |
Source | Flora of Oregon, volume 1, page 328 James Riser |
Flora of Oregon, volume 1, page 328 James Riser |
Sibling taxa | ||
Synonyms | Habenaria saccata, Limnorchis stricta, Limnorchis viridiflora | Habenaria dilatata, Habenaria sparsiflora, Habenaria sparsiflora var. laxiflora, Habenaria sparsiflora var. sparsiflora, Limnorchis sparsiflora |
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