Monographs Details:
Authority:
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Family:
Pteridaceae
Pteridaceae
Description:
Genus Description - Plants epiphytic. Rhizomes erect or short-creeping, often densely overlapping, surrounded by mass of roots, the apex covered with scales. Fronds clustered, erect or pendent; blade simple, entire; veins obscure, reticulate or forming single row of areoles between midrib and fertile inframarginal vein. Sori linear, superficial or in grooves, forming a continuous or discontinuous line.
Genus Description - Plants epiphytic. Rhizomes erect or short-creeping, often densely overlapping, surrounded by mass of roots, the apex covered with scales. Fronds clustered, erect or pendent; blade simple, entire; veins obscure, reticulate or forming single row of areoles between midrib and fertile inframarginal vein. Sori linear, superficial or in grooves, forming a continuous or discontinuous line.
Discussion:
Petiole absent; blade 8-18 mm --- V. costata.
Petiole present; blade <8 mm wide.
Petiole greenish; blade <3 mm wide --- V. lineata.
Petiole brown to black; blade 3-7 mm wide --- V. stipitata.