Catasetum purum Nees & Sinning 1787 SUBGENUS Catasetum SECTION Isoceras SUBSECTION Divaricatae Photo by Patricia Harding

Female Flower Photo by Art Vogel

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Common Name The One-Colored Catasetum

Flower Size 1 1/2" [3.75 cm]

This is a large sized, warm to hot growing Brazilian epiphytic species found in very dry conditions growing on dead trees with fusiform to subconical pseudobulbs that become sulcate with age and carrying medium green, oblanceolate, plicate leaves that blooms in the summer and fall on a basal, erect, 1 1/2' [45 cm] long, racemose, several flowered inflorescence arising on a mature or half mature pseudobulb carrying fragrant flowers.

This plant needs a dry winter rest after leaf fall and ample water while in it's growth phase.

Synonyms Catachaetum purum [Nees & Sinning]Hoffmans.; Catachaetum semiaptertum Hoffmans.; Catasetum immaculatum hort. Ex Planchon; Catasetum inapterum Steud. 1840; Catasetum semiapterum Hook. 1827

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Flora Brasilica Vol XII VI Hoehne 1942 drawing hmm/photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Die Orchideen #1 1-4 tafel 1&2 Rudolph Schlechter 1971 photo fide; Orchidaceae Brasilensis Band 1 Pabst & Dungs 1975 drawing fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 26 1584 - 1648 Brieger 1992; The World Of Catasetum Holtz 1999 photos fide;