Thelypteris (Meniscium) arcana (Maxon & C.V.Morton) C.V.Morton 1967

Almeida, Thais Elias & Salino, Alexandre, 2015, Thirteen new records of ferns from Brazil, Biodiversity Data Journal 3, pp. 4421-4421 : 4421

Thelypteris (Meniscium) arcana (Maxon & C.V.Morton) C.V.Morton 1967

Thelypteridaceae

Thelypteris (Meniscium) arcana (Maxon & C.V.Morton) C.V.Morton, Contr. U.S. Natl. Herb. 38: 42. 1967. Dryopteris arcana Maxon & C.V.Morton, Bull. Torrey Bot. Club 65: 352, t. 11. 1938. Type: Ecuador, Mexia 7174 (US). Fig. 22.

Materials

Type status: Other material. Occurrence: catalogNumber: BHCB150026 ; recordNumber: A. Salino 15026; recordedBy: A. Salino & T.E. Almeida; Taxon: taxonID: urn:lsid:ipni.org:names:251217-2; scientificName: Thelypteris (Meniscium) arcana (Maxon & C.V.Morton) C.V.Morton; kingdom: Plantae; class: Polypodiopsida; order: Polypodiales; family: Thelypteridaceae; genus: Thelypteris; subgenus: Meniscium; specificEpithet: arcana; scientificNameAuthorship: (Maxon & C.V.Morton) C.V.Morton; Location: continent: South America; country: Brazil; countryCode: BR; stateProvince: Acre; municipality: Mâncio Lima; locality: Parque Nacional da Serra do Divisor, Rio Moa , trail to Cachoeira Formosa ; verbatimElevation: 275 m; minimumElevationInMeters: 275; verbatimCoordinates: 07°24'31''S, 73°39'51''W; verbatimLatitude: 07°24'31''S; verbatimLongitude: 73°39'51''W; decimalLatitude: -7.408611; decimalLongitude: -73.664167; geodeticDatum: WGS84; Identification: identifiedBy: A. Salino; dateIdentified: 2011-01-10; Event: eventDate: 2010-12-13; year: 2010; month: 12; day: 13; Record Level: type: specimen; language: Portuguese; collectionCode: BHCB Type status: Other material. Occurrence: catalogNumber: BHCB 150012 ; recordNumber: A. Salino 15012; recordedBy: A. Salino & T.E. Almeida; Taxon: taxonID: urn:lsid:ipni.org:names:251217-2; scientificName: Thelypteris (Meniscium) arcana (Maxon & C.V.Morton) C.V.Morton; kingdom: Plantae; class: Polypodiopsida; order: Polypodiales; family: Thelypteridaceae; genus: Thelypteris; subgenus: Meniscium; specificEpithet: arcana; scientificNameAuthorship: (Maxon & C.V.Morton) C.V.Morton; Location: continent: South America; country: Brazil; countryCode: BR; stateProvince: Acre; municipality: Mâncio Lima; locality: Parque Nacional da Serra do Divisor, Rio Moa , trail from Igarape do Amor ; verbatimElevation: 220 m; minimumElevationInMeters: 220; verbatimCoordinates: 07°26'51''S, 73°40'01''W; verbatimLatitude: 07°26'51''S; verbatimLongitude: 73°40'01''W; decimalLatitude: -7.4475; decimalLongitude: -73.666944; geodeticDatum: WGS84; Identification: identifiedBy: A. Salino; dateIdentified: 2011-01-10; Event: eventDate: 2010-12-13; year: 2010; month: 12; day: 13; Record Level: type: specimen; language: Portuguese; collectionCode: BHCB

Distribution

Known distribution: Bolivia, Ecuador and Peru ( Tryon et al. 1992). Fig. 23.

Ecology

Occurs as terrestrial in lowland rain forest.

Taxon discussion

This species is easily recognizable by the 2 - 5 pairs of pinnae, cuneate at base, and tubular yellow to orange glands on the receptacle ( Smith 1983). The presence of these glands is shared with T. (Meniscium) andreana (Sodiro) C.V.Morton, the closest species to T. (Meniscium) arcana ( Smith 1983).