Calanthe papuana (Schltr.) J.J. Sm. 1929 SUBGENUS Preptanthe

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

Full shade Warm Cool Spring

Common Name The Papua Calanthe

Flower Size .72 to .8" [1.8 to 2 cm] long

Found in Papua New Guinea in evergreen broadleaved forests at elevations around 800 to 1200 meters as a medium sized, warm to cool growing terrestrial with a very short rhizome giving rise to ovoid, obscurely angled in cross-section pseudobulbs carrying 2 to 3, deciduus, plicate, jointed, erect spreading to suberect, lanceolate-elliptic to elliptic, acuminate, glabrous, gradually narrowing below into the petiolate base leaves that blooms in the spring on an erect, slender, terete, peduncle to 20" [50 cm] long, covered in long hairs,few acuminate bracted, rachis to 16" [20 cm] long, 28" [70 cm] long overall, laxly 7 to 15 flowered inflorescence with lanceolate, acuminate, outside pubescent, inside glabrous floral bracts.

Synonyms *Aulostylis papuana Schltr. 1912

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1912 as Aulostylis papuana; Die Orchideen Band 3 Sonderabdruck aus Schlechter Brieger, Maatsch and Senghas Liferung #14 820 - 880 1984 as Aulostylis papuana; The Genus Calanthe Cribb & Clayton 2013 drawing/photo fide;