Pleurothallis peculiaris Luer 1976 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859

Photo by Dave Alford

TYPE Drawing

TYPE Drawing by © Carl Luer

Common Name The Peculiar or Special Pleurothallis

Flower Size .4" [1cm]

Found in Costa Rica and Veraguas and Cocle provinces of Panama in cloud forests at elevations of 700 to 1300 meters as a small to medium sized, warm to cool growing, caespitose epiphyte with erect, slender ramicauls enveloped basally by 2 to 3 shorter tubular sheaths and a longer one below the middle and carrying a single, apical acutely deflexed, dull green, indistinctly purple spotted, coriaceous, narrowly cordate-ovate, acuminate and curved above the middle, basally sessile and deeply cordate with incurved lobes leaf that blooms in the summer and fall on a fascile, arising through an erect to suberect, conduplicate spathe, of successively single, few flowered inflorescence with a thin, shorter than the pedicel floral bract and has a nonresupinate flower held close against the leaf base

"Part of the Pleurothallis cardiostola/Pleurothallis lilijae complex. This species is related to P troglodytes but differs in the acutely deflexed, purple mottled, narrow, acuminate, incurved leaf that is deeply cordate at the base and a flower arises from an erect spathe. The obtuse sepals amd the spathulate petals are long pubescent near the margins. The lip is transversely trilobed and the lateral lobes acute and below the middle and with the middle lobe rounded and verrucose with minutely erose margins." Carl Luer 2005

Synonyms Acronia peculiaris [Luer] Luer 2005; Zosterophyllanthos peculiaris ( Luer ) Szlach. & Marg. 2002

ReferencesW3 Tropicos, Kew Monocot list , IPNI ;

* Selbyana 3: 158 Luer 1976 drawing fide;

Icones Pleurotallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;

Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 as Acronia pecularis

Icones Pleurothallidinarum Vol XXVII Systematics of Dryadella Systematics of Macrophyllae-Fasciculatae Luer 2005 as Acronia pecularis Drawing fide;

AOS Bulletin Vol 76 No 9 2007 as Acronia pecularis photo fide;

Harvard Papers in Botany Vol. 26, No. 1 2021, The Researchgate Website photo/drawing fide;

Harvard Papers in Botany Vol. 27, No. 2 New species of Pleurothallis (Orchidaceae: Pleurothallidinae), a new country record, AND labellar morphology in the P. cardiostola-P. lilijae complex of subsection Macrophyllae-Fasciculatae Mark Wilson, Bruno Larsen, Juan Sebastián Moreno, Raven Ward, Joost A. G. Riksen,Luis Piña, Mario A. Sierra-Ariza, Marco M. Jiménez, Milton Rincón-Gonzalez, Robinson Galindo-Tarazona, Henry Garzón Suárez, and David Haelterman 2022

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