Pleurothallis longiserpens C.Schweinf. 1942 SECTION Masdevallianthe

Plant and side view of flower

Photos by S Manning and The Swiss Orchid Foundation at the Jany Renz Herbaria Website<

Another Flower

Photo by The Ecuagenera Orchid Website

Drawing of Madevalliantha longiserpens

Drawing by Carl Luer

Common Name or Meaning The Long Creeping Pleurothallis [refers to the plant habit]

Flower Size .4" [1 cm]

Found in Ayacucho department of Peru in cloud forests at elevations around 3100 to 3200 meters as a mini-miniature to miniature sized, cold growing, shortly but densely repent epiphyte with stout, ascending-erect ramicauls enveloped by 2 to 3 loose, tubular sheaths and carrying a single, apical, coriaceous, suberect to spreading, narrowly elliptical, acute to subacute narrowing below into the subpetiolate base leaf that blooms in the summer on an erect, arising from below the apex of the ramicaul, .8 to 1" [2 to 2.5 cm] long, successively single to sometimes 2 flowered inflorescence with a much shorter than the pedicel floral bract.

Similar to P xenion but differs in the long-fimbriate lip that is concave at the base to accomodate a free extension of the tip of the column foot." Luer 2006

All photos on the net of P masdevalliopsis are actually this species. P masdevalliopsis has a broadly falcate side lobe and P longiserpens has an ovate side lobe. P longiserpens also is a shortly repent plant with a .08 to .2" [2 to 5 mm] long rhizome beteween each ramicaul while P masdevalliopsis is a caespitose plant.

Synonyms Andinia longiserpens (C.Schweinf.) Karremans & Mark Wilson 2017; Masdevalliantha longiserpens (C.Schweinf.) Szlach. & Marg. 2001

References W3 Tropicos, Kew Monocot list , IPNI ;

* Bot. Mus. Leafl. 10: 183 Schweinfurth 1942;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986 drawing fide;

Polish Bot. J. 46: 117 Szlach & Marg. 2001 as Masdivalliantha longiserpens

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Masdevalliantha longiserpens

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Masdevallia Systematics of Specklinia Luer 2006 as Masdevalliantha longiserpens drawing fide;

Phytotaxa 295(2): 126 Karremans & Mark Wilson 2017 as Andinia longiserpens;

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Andinia longiserpens photo fide

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