Pterichis aragogiana Kolan. & Szlach. 2020 SECTION Pterichis

Photo by © Alfredo Fuentes and Additions to Pterichis sect. Pterichis from Bolivia

TYPE Drawing

Collection Sheet

TYPE Drawing by © S Nowak and Marta Kolanowska

Full shade Cold Winter Spring

Common Name The Aragoga Pterichis [in reference to the spider-like flowers of this species, after Aragog, the giant spider from the Harry Potter series]

Flower Size

Found in Azuay and Zamora Chinchipe provinces of Ecuador and La Paz department of Bolivia in montane forests and scrub paramo at elevations around 3150 meters as a medium sized, cold growing terrestrial that is leafless at blooming in the winter and spring on an erect, terminal, glandular in the upper third, peduncle 12.8 to 16.8" [31.5 to 41.5 cm] long, provided with 7, acute, upper ones glandular-ciliate tubular sheaths, densely ciliate, 16 to 22" [40 to 55 cm] long overall, rachis to 3.4" [8.5 cm] long, several flowered inflorescence with pubescent, ovate, ovate, cucullate, externally debnsely ciliate, longer than the ovary floral bracts and carrying flowers with externally olive-green, petals and internal part of sepals orange-red, lip orange red ?ushed with violet in basal part of lip middle lobe, sepals externally densely glandular-ciliate.

"Pterichis aragogiana is easily distinguished from all other genus representatives by the caudate sepals. Their lower part is more or less ovate and the upper one is rolled up along the margins forming a caudate, acuminate projection. Unlike in other species of the nominal section of Pterichis, the middle lobe of the lip of P. aragogiana constitutes ca. half of the total lip length." Kolanowska 2021

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ;

Ann. Bot. Fenn. 56: 176 Kolan. & Szlach. 2019

* Blumea 65: 213 Kolan. & Szlach. 2020 Drawing/photo fide

PeerJ 9(e10807): 11 2021 Synopsis of Ecuadorian Pterichis [Orchidaceae] Kolanowska 2021 Drawing fide;

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