Cyrtomium falcatum

(Linnaeus f.) C. Presl

Tent. Pterid. 86. 1836

Basionyms: Polypodium falcatum Linnaeus f. Suppl. Pl., 446. 1782
Treatment appears in FNA Volume 2.
Click plate for higher resolution version.
Illustrator: John Myers
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

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.

References

None.

Lower Taxa

No lower taxa listed.