Compilation
Macrothelypteris torresiana

20 Images see all

Previous
Next

Name

Identification
Macrothelypteris torresiana (Gaudich.)Ching [family PTERIDOPHYTA ]
Related name
  • Macrothelypteris torresiana
Common name
  • Torres's fern, Flora of North America Vol. 2
  • Mariana maiden fern, Flora of North America Vol. 2

Flora

Entry for Macrothelypteris torresiana (Gaudichaud Beaupré) Ching [family THELYPTERIDACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 2,
Names
Macrothelypteris torresiana (Gaudichaud Beaupré) Ching [family THELYPTERIDACEAE], Acta Phytotax. Sin., 8: 310. 1963
Polystichum torresianum Gaudichaud-Beaupré [family DRYOPTERIDACEAE], Voy. Uranie, 8: 333. 1828
Dryopteris uliginosa (Kunze) C. Christensen [family DRYOPTERIDACEAE]
Thelypteris torresiana (Gaudichaud-Beaupré) Alston [family THELYPTERIDACEAE]
Thelypteris uliginosa (Kunze) Ching [family THELYPTERIDACEAE]
Treatment Author(s)
Alan R. Smith
Information
Stems short-creeping, thick, to 10 mm diam. Leaves monomorphic, evergreen, 60--150 cm. Petiole to 75 cm × 3--12 mm, glaucous when living. Blade 2--3-pinnate, to ca. 85 cm. Pinnae to 35 × 10(--17) cm; pinnules sessile to adnate, oblique, 2--8 × 0.8--2.5 cm, incised almost to costule into oblique segments 2--4 mm wide, segments entire to dentate or pinnatifid; veins forked or simple. Indument abaxially of septate hairs 1--2 mm on costae and costules; rachis, costae, and blade tissue with capitate glands 0.05 mm. Sori round, indusia small, less than 0.3 mm diam., glabrous or glandular; sporangia with minute capitate glands near annulus. 2 n = 124.
Altitude range
0--100 m
Distribution
s MexicoWest Indies in the AntillesCentral AmericaSouth America to n Argentinanative to tropical and subtropical AsiaAfrica.USA Ala.USA Ark.USA Fla.USA Ga.USA La.USA Miss.USA S.C.USA Tex.
Discussion
The name Dryopteris setigera (Blume) Kuntze has been misapplied to plants in the flora.
Native/Introduced
introduced

Related Materials