Platanthera sparsiflora (S.Watson) Schltr. 1899

Flower Closeup Photo by Jim Fowler and his P-Base Orchid North American Orchid Website


Common Name or Meaning The Few Flowered Platanthera - The Few Flowered Rein Orchis

Flower Size .4" [1 cm]

Found in Oregon, California, Utah, Nevada, Colorado, New Mexico, Arizona and Northern Mexico in open wet meadows, roadside ditches, seeps, fens, bogs and river gravels as a medium to large sized, cold growing terrestrial orchid with 4 to 10 cauline, oblong to linear-lanceolate leaves that gradually reduce to bracts towards the inflorescence that blooms in the late spring and summer on a terminal, erect, loose, laxly 20 to 40 flowered inflorescence.

Synonyms Habenaria aggregata Howell 1902; Habenaria leucostachys var. viridis Jeps. 1921; *Habenaria sparsiflora S.Watson 1877; Habenaria sparsiflora var. laxiflora (Rydb.) Correll 1943; Habenaria thurberi var. grayi S.Watson 1868; Limnorchis ensifolia Rydb. 1901; Limnorchis laxiflora Rydb. 1901; Limnorchis sparsiflora (S.Watson) Rydb. 1901; Platanthera sparsiflora var. ensifolia (Rydb.) Luer 1975

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 30 No 5 1961 photo as Habenaria sparsifolia var laxiflora; ; Wild Orchids of the Pacific Northwest and Canadian Rockies P M Brown 2006