Monographs Details: Trichomanes pellucens Kunze
Authority: Maguire, Bassett. 1984. The Botany of the Guyana Highland - Part XII. Mem. New York Bot. Gard. 38: 1-84.
Family:Hymenophyllaceae
Description:Distribution and Ecology - General distribution. Colombia to Bolivia east to Guyana and southeasternBrazil.Guayana Highland distribution. Tenestrial or sometimes epipetric. COLOMBIA.Int. Meta: Approach ridge to the central mountains of the Sierra de La Macarena, 1200 m , Philipson & Idrobo 1832 ( BM , US ) ; Cordillera de La Macarena,E slopes ofthe Renjifo Massif, 600-1300 m , Idrobo & Schultes 882 (COL,US). Comis. A m a z o n a s or Vaupes: Cafio Chunuco, near Soratama, above mouthofthe Rio Kananari, ca 900 ft, Schultes & Cabrera 15094 (US). Comis. Vaupes:Middle and lower course ofthe Rio Kuduyari, ca 700-800 ft, Schultes & Cabrera17873 (US); Cerro Isibukuri, Rio Kananari, 250-ca 700 m , Schultes & Cabrera13360 (US); Teresita, Rio Papuri, Schultes & Cabrera 19442 (US); San Felipe,below the confluence of the Rio Guainia and the Rio Casiquiare, ca 600 ft,Schultes, Baker & Cabrera 17973 (US); Rio Macu, Allen 3041 (US). V E N E Z U E LA.Ten. Amazonas: W slope of Cerro Sipapo (Paraque), 5500 ft, Maguire &Politi 27617-C ( N Y , U S ) ; S u m m i t of Cerro Autana, 1230-1270 m , Steyermark105166 and 105168 (both U S , V E N ) ; S u m m i t of C e n o Yapacana, 825-1100 m,Steyermark & Bunting 103155 (US, V E N ) ; Serrania Paru, Rio Paru, Cafio Asisa,1800 m . C o w a n & Wurdack 31418 ( N Y , U S ) ; Cerro Duida, SE-facing bluffs nearCafio Negro, 1095-1520 m , Steyermark 58017 (US). Edo. Bolivar: Siena deIchun, slopes N of Salto Maria E s p u m a along the Rio Ichun, 625-725 m , Steyermark90200 and 90252 (both U S , V E N ) ; Chimanta Massif, Steyermark Fallson upper reaches of the Rio Tirica separating Apacara-tepui from Chimantatepui,

Discussion:

Ptilophyllum pellucens (Kunze) Prantl, Untersuch. Morph. Gefaesskrypt. 1: 48. 1875

Type. Tocache, upper Rio Huallaga, Dpto. Huanuco, Peru, Jun 1830, Poeppig (holotype LZ destroyed).

This species is often confused with T crispum, from which it can be distinguished by its flush, rather than partially exserted and nonflaring rather slightly flaring involucres, and by its usually long rather than usually short rhizome

Distribution:Colombia South America| Bolivia South America| Guyana South America| Brazil South America| Venezuela South America|