Trichocentrum pfavii Rchb. f. 1881 SECTION Saccatae Senghas
Photo by © Stéphane Hebler.
Photo by © Milan Vágner.
Photo by © Edwin S Boyett jr.
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Common Name Pfau's Trichocentrum [Swiss Orchid Collector 1800's]
Flower Size 1 1/4" to 2" [3 to 5 cm]
Found in Costa Rica and Panama in tropical rain forests as a minniature sized, warm to hot growing epiphyte at elevations of 600 to 1500 meters, with a minute pseudobulb carrying a single, apical, fleshy, elliptic-oblong, subacute leaf that is basally conduplicate that blooms in the fall to early spring on a lateral, suberect, to 2" [5 cm] long, single to rarely 2 flowered inflorescence enveloped by bracts that is shorter than the leaves.
This miniature orchid is best mounted on wood, tree fern, or cork to accomodate the pendant growth habit as well as the short inflorescence. Give them shade high humidity and fertilizer while growing to ensure a good blooming.
Synonyms Trichocentrum pfavii subsp. dotae Pupulin 2001; Trichocentrum pfavii var. album Henderson ex Pupulin 1995; Trichocentrum pfavii var. zonale Rchb. f. 1883; Trichocentrum saundersianum Endres & Rchb. f. ex Pupulin 1995; Trichocentrum saundersii Endres & Rchb. f. ex Pupulin 1995; Trichocentrum zonale Rchb. f. 1995
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Repert. Sp. Nov. Regni. Veg. Beih. 19: 62. Costa Rica Schlechter 1923; AOS Bulletin Vol 32 No 3 1963 drawing ; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 39 No 3 1970 photo; AOS Bulletin Vol 51 No 5 1982 as T pfavii var alba photo fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Icones Planetarum Tropicarum Plate 1496 Atwood 1992 drawing fide; Rudolf Schlechter Die Orchideen Band 1B lieferung 31 1905 - 1976 Brieger 1995 photo fide; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing fide; AOS Bulletin Vol 69 No 3 2000 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 44-45 pg 2763 - 2898 Brieger 2001; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 asa T pfavii subsp dotae; The Pictoral Encyclopedia of Oncidium Zelenko 2005; Vanishing Beauty, Native Costa Rican Orchids Vol 1 Pupulin 2005 drawing fide; Orchid Species Culture: Oncidium, Bakers 2006; Orquideologia Vol 25 #1 2007 photo not = C caloceras; Lankesteriana 12[3]: 2014 photo/drawing fide; Harvard Papers in Botany Vol 21 #2 Cetzal-Ix Carnevalli and Romero-Gonzalez 2016 Synopsis of the Trichocentrum Clade photo fide; Of Men and Orchids Part 1 Jenny 2015 photo drawing/fide; Harvard Papers in Botany Vol 21 #2 Cetzal-Ix Carnevalli and Romero-Gonzalez 2016 Synopsis of the Trichocentrum Clade as YT pfavii subsp dotae;
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