Oberonia helferi Hook.f. 1888

Photo by Ye Deping

Drawing

Drawing by Seidenfaden and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Part Shade Warm Cool LATESummer EARLIERFall

Common Name Helfer's Oberonia [Czech Original collector of species 1800's]

Flower Size .04" [1 mm]

Found in Yunnan province of China, Myanmar and Thailand at elevations around 560 to 1200 meters as a mini-miniature sized, warm to cool growing epiphyte with a very sort stem carrying, linear-lanceolate, tapering towards the apex, acute leaves that blooms in the late summer and earlier fall on a terminal, erect, to 1.6 to 6" [4 to 15 cm] long, laxly many flowered inflorescence with insignificanr, entire, as long as the ovary floral bracts carrying flowers in whorls of 4 to 7 flowers with very light greenish to orange-yellow tepals and a light brown to brownish-purple lip.

Synonyms Iridorkis helferi (Hook.f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Botanisk Tidsskrift Bind 66 Hefte 4 Contributions to the Orchid Flora of Thailand III Seidenfaden 1971 drawing fide; Dansk Botanisk Arkiv Bind 33 nr 1 Orchids of Thailand VII Oberonia & Malaxis Seidenfaden 1978 drawing fide;Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;

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