Platanthera arcuata Lindl. 1835

Specimen sheet

Drawing by Som Deva & H.B.Naithani/Specimen by The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Fragrant Part Shade cold LATERSpringSummer

Common Name The Arching Platanthera [refers to the spur]

Flower Size .4 to .6" [1 to 1.5 cm]

Found in the western Himalayas, Tibet, Assam, the eastern Himalayas and Nepal at elevations around 2200 to 3100 meters as a medium sized, cold growing terrestrial with a stem carrying lanceolate, acuminate, shortly sheathing bracts and carrying a single, oblong to oblong-elliptic, acute, sessile, weakly reticulate leaf that blooms in the late spring and summer on a terminal, erect, glabrous, [12 t o17 cm] long, laxly many flowered inflorescence with linear-lanceolate, acuminate floral bracts carrying fragrant flowers.

CAUTION!! Now considered by Kew to be a synonym of P japonica I have lef them separate pending more references

Synonyms Habenaria arcuata (Lindl.) Hook.f. 1890

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of North-Western Himalaya Vol IX Part II Duthie 1906; Encyclopedia of Cultivated Orchids Hawkes 1965; The Orchids of Bhutan Pearce & Cribb 2002; LANKESTERIANA 15(1): Flora of China Vol 25 Orchidaceae Zhengyi, Raven and Duyuan 2009; 750. Jeewan Singh Jalal & J. Jayanthi 2015