Show Lower Taxa
Difference between revisions of "Thelypteris subg. Meniscium"
Phytologia 17: 254. 1968.
Basionym: Undefined subg. Meniscium Schreber Gen. Pl. 2: 757. 1791
Treatment appears in FNA Volume 2.
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Revision as of 21:14, 27 May 2020
Distinguished from other subgenera by the combination of evergreen leaves, pinnae entire or merely serrate, cross-veins regularly uniting in pairs to form parallel rows of usually more than 10 areoles between costa and pinna margin, areoles each with a single excurrent, usually free, vein produced at the point of union of the cross-veins, and elongate, exindusiate sori. x = 36.
Discussion
Species 20 and 21 are included in the genus Meniscium by some workers.
Selected References
None.