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
map from FNA
CA; FL; GA; LA; MS; SC; Europe; Asia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
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.)
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)
Source FNA vol. 2. Treatment author: George Yatskievych. FNA vol. 2. Treatment author: George Yatskievych.
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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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