Flora of North America species comparison

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Cyrtomium falcatum

Cyrtomium fortunei

Japanese holly fern, Japanese netvein hollyfern

Asian netvein hollyfern
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.

Cyrtomium falcatum

Cyrtomium fortunei
Habitat Brick or stone walls, rocky areas, mesic forests, and coastal bluffs
Elevation 0–100 m (0–300 ft)
Distribution
from FNA
CA; FL; GA; LA; MS; SC; Europe; Asia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
GA; LA; MS; OR; SC; Asia
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Varieties 3 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 2. FNA vol. 2.
Parent taxa Dryopteridaceae > Cyrtomium Dryopteridaceae > Cyrtomium
Sibling taxa
C. fortunei
C. falcatum
Subordinate taxa
C. fortunei var. fortunei
Synonyms Polypodium falcatum
Name authority (Linnaeus f.) C. Presl: Tent. Pterid. 86. (1836) J. Smith: Ferns Brit. For. 286. (1866)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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