Cyrtomium falcatum

(Linnaeus f.) C. Presl

Tent. Pterid. 86. 1836.

IntroducedIllustrated
Basionym: Polypodium falcatum Linnaeus f. Suppl. Pl., 446. 1782
Treatment appears in FNA Volume 2.
Revision as of 21:15, 27 May 2020 by imported>Volume Importer

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

V2 82-distribution-map.gif

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.