Cyrtomium falcatum
Tent. Pterid. 86. 1836.
IntroducedIllustrated
Basionym: Polypodium falcatum Linnaeus f. Suppl. Pl., 446. 1782
Treatment appears in FNA Volume 2.
Stem scales orange-brown, ovate with attenuate apices. Leaves 30–60(–100) cm. Pinnae bright green and shiny adaxially, 4–10(–12) pairs, ovate-attenuate, usually falcate, 4–8.5 cm, leathery, sometimes with short, basal, acroscopic lobe, margins often undulate or coarsely and irregularly dentate. Indusia brown, sometimes with blackish centers, not shriveled at maturity. n = 2n = 123, apogamous.
Habitat: Brick or stone walls, rocky areas, mesic forests, and coastal bluffs
Elevation: 0–100 m
Distribution
Introduced; Calif., Fla., Ga., La., Miss., S.C., Europe, Asia.
Discussion
Cyrtomium falcatum is native to east Asia and widely escaped from cultivation. All plants in the flora appear to be the 32-spored, apogamous triploid.
Selected References
None.
Lower Taxa
None.