Peristylus aristatus Lindl. 1835

Plant in situ India

Photos by Dinesh Valke and His Flickr Orchid Photo Website


Drawing by M.D.Dassanayake & F.R.Fosberg

Part Shade Cool Cold LATERSummer

Common Name The Spiked Peristylus

Flower Size 1/2" [1.25 cm]

Found in Assam, eastern Himalayas, Nepal, India, Sri Lanka and Myanmar in dense shade of trees near streams in submontane or tropical wet evergreen forests at elevations of 1200 to 3000 meters as a medium sized, cool to cold growing terrestrial with a rosette at the top of the stem of membraneous, 5 veined, unequal, elliptic-lanceolate, acute, basally clasping leaves that blooms in the later summer on a terminal, erect, slender, 2.8 to 4.8" [7 to 12 cm] long, 20 to 25 flowered inflorescence with ovate, acuminate, acute, single veined floral bracts

Synonyms Habenaria aristata (Lindl.) Hook.f. 1885; Peristylus exilis Wight 1851

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as Habenaria aristata drawing not = H tipulifera; Indian Orchids A Field Guide to Identification and Culture Vol 1 Pradhan 1976 as Habenaria aristata drawing good; Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing good [lip sidelobes too long]; A Revised Handbook to the Flora of Ceylon Vol 2 Dassanayake & Fosberg 1981 drawing fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchids of India A Glimpse Misra 2007; Lankesteriana Vol 18 [1]: 2362 Jalal & Jayanth 2018 photo good; Orchids of Maharashtra Jalal 2018 photo fide;