Pleurothallis leucopyramis Rchb. f. 1876 SUBGENUS Specklinia SECTION Hymenodanthae SUBSECTION Longicaulae [Barb. Rodr.] Luer 1986

Flower Angle

Inflorescence

Photos by © Jay Pfahl

Plant and Flowers

Photo courtesy of Patricia Harding

Drawing

Drawing by Helmut Seehawer

AND MID

Common Name or Meaning The Pyramid White-Shaped Pleurothallis [refers to the triangular doral sepal]

Flower Size .2" [5 mm]

Found in Brazil wet rainforests at elevations of 1100 to 1300 meters as a mini-miniature sized, cool growing, caespitose epiphyte with erect ramicauls enveloped by 2, trumpet-shaped, pilose sheaths and carrying a single, apcial, erect, coriaceous, obovate, faintly conduplicate, light green purple blotched leaves that blooms in the late spring, summer and mid fall on 1 to 2, 3.2" to 44" [8 to 11 cm] long, simultaneously to 13 flowered inflorescence carrying fragrant flowers.

CAUTION Kew includes P pterophora as a synonym of this species, I have left them separate for now.

Synonyms Humboldtia leucopyramis Kuntze 1891; Pabstiella leucopyramis (Rchb.f.) Luer 2007; Specklinia leucopyramis (Rchb. f.) Luer 2004

References W3 Tropicos, Kew Monocot list , IPNI ;

Linnaea 41: 47 Rchb.f 1876;

Xenia Orchidaceae Vol 3 Reichenbach 1878 drawing;

Revis. Gen. Pl. 2: 667 Kuntze 1891 as Humboltia leucopyramis;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Specklinia leucopyramis;

Icones Pleurothallidinarum Vol XXIX A Thrid Century of Stelis of Ecuador Systematics of Apoda-Prorepentia Luer 2007 as Pabstiella leucopyramis;

The Organ Mountain Range Its History and Its Orchids Miller, Warren, Miller and Seehawer 2008 drawing fide;

Phytotaxa 46: 55 Chiron 2012 as Pabstiella pterophora;

FILOGENIA MOLECULAR E BIOGEOGRAFIA DE Pabstiella BRIEGER & SENGHAS (ORCHIDACEAE NICOLÁS GUTIÉRREZ MORALES 2019 photo fide as Pabstiella leucopyramis photo fide;

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