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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