Polystichum, Roth (1800: 31, Roth, 1800

He, Hai & Zhang, Li-Bing, 2022, Polystichum gonggashanense (Dryopteridaceae): a new fern from Sichuan, China, Phytotaxa 559 (2), pp. 207-212 : 211

publication ID

https://doi.org/ 10.11646/phytotaxa.559.2.10

DOI

https://doi.org/10.5281/zenodo.7037112

persistent identifier

https://treatment.plazi.org/id/03D287C0-6A2A-3F53-2BD9-4F7BFA16FCB4

treatment provided by

Plazi

scientific name

Polystichum
status

 

A key to these four species View in CoL is presented below:

1. Petiole scales bicolorous.....................................................................................................................................................................2

-. Petiole scales concolorous..................................................................................................................................................................3

2. Laminae oblong-lanceolate and with lamina base slightly contracted.................................................................. P. gonggashanense View in CoL

-. Laminae elliptic-lanceolate and with lamina base substantially contracted............................................................... P. kangdingense View in CoL

3. ca. 10 fronds per plant; petiole scales light brown ............................................................................................................... P. sinense View in CoL

-. Up to 20 or more fronds per plant; petiole scales reddish brown................................................................................ P. haleakalense View in CoL

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