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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
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
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
P. aquilonis, P. dilatata, P. elegans, P. elongata, P. ephemerantha, P. huronensis, P. obtusata, P. sparsiflora, P. transversa, P. unalascensis
P. aquilonis, P. dilatata, P. elegans, P. elongata, P. ephemerantha, P. huronensis, P. obtusata, P. stricta, P. transversa, P. unalascensis
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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