Epipactis flava Seidenf. 1978

Another Angle Fig. 1 Epipactis flava. a Flower in lateral front view displaying nectar in the hypochile (arrow). b Flower in upper front view displaying orange warts and calli in the hypochile (arrow) and a drop-shaped callus on the epichile. Photographs: K. Srimuang (Thee Lo Su waterfall, January 2011) Photos © by K. Srimuang and The Pollination-system diversity in Epipactis (Orchidaceae): new insights from studies of E. flava in Thailand Website

Inflorescence Photo © by The Siamensis Website

Common Name The Yellow Epipactis

Flower Size 1/2" [1.25 cm]

Found in Laos and Thailand on low rocks in streams at elevations around 200 meters as a medium sized. hot growing terrestrial with a glabrous stem carrying several, lowermost ovate-lanceolate, and becoming narrowly lanceolate above, sheathing base leaves that blooms in the winter on a terminal, erect, 2.4 to 2.8" [6 to 7 cm] long, rachis hairy, successively laxly few flowered inflorescence with as long as the flower floral bracts below and as long as the pedicel above

Synonyms Arthrochilium flavum (Seidenf.) Szlach. 2003

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Thailand Seidenfaden & Smitnand 1959 as E sp pg 63 fig 44 drawing fide; Dansk Botanisk Arkiv Bind 32 nr 2 Orchids of Thailand VI Neottiideae Seidenfaden 1978 drawing fide; Plant Systematics and Evolution DOI:10.1007/s00606-018-1520-5 2018 - Pollination-system diversity in Epipactis (Orchidaceae): new insights from studies of E. flava in Thailand Henrik Ærenlund Pedersen, Kanok-orn Srimuang and Santi Watthana 2018[https://www.semanticscholar.org/paper/Pollination-system-diversity-in-Epipactis-new-from-Pedersen-Srimuang/2d59291da0169929fe1d8415489b7570aa6f655e]

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