Habenaria arianae Geerinck 1977 SECTION Replicatae Kraenzl.

Collection Sheets and Photo by Jany Renz and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Drawing TYPE Drawing by M Allard/Geerink

partial shade Warm Cold LATE Summer EARLY Fall

Common Name Ariana's Habenaria

Flower Size .4" [1 cm]

Found in Burundi, Zaire, Tanzania, Malawi and Angola in wet grasslands and seepage areas with shallow soil over rock at elevations of 600 to 2300 meters as a miniature to small sized, warm to cold growing terrestrial with ovoid to elliptic tubers giving rise to an erect stem carrying 10 to 20, lowermost 2 to 3 are sheathing leaves white with dark green reticulation, the middle 5 to 8 are semi-erect, linear, basally widening and the upper few are bract-like adpressed to the stem leaves that blooms in the late summer and early fall on a terminal, erect, 1.6 to 2.8" [4 to 7 cm] long, densely several to many flowered inflorescence .

Synonyms Bilabrella arianae (Geerinck) Szlach. & Kras 2009; Bilabrella williamsonii (P.J.Cribb) Szlach. & Kras 2009; Habenaria williamsonii P.J.Cribb 1977

References W3 Tropicos, Kew Monocot list , IPNI ; Flore D'Afrique Centrale [Zaire- Rwands - Burundi] Orhidaceae Premeir parte Geerink 1984 drawing fide; Flora of Zambesiaca Vol 11 Part 1 Orchidaceae Pope 1995; Orchidaceae of West Central Africa Vol 1 Szlatchecko etal 2010 as Bilabrella arianae drawing good

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