Polystichum sect. Cyrtogonellum
publication ID |
https://doi.org/10.11646/phytotaxa.690.2.8 |
persistent identifier |
https://treatment.plazi.org/id/F11787D0-FFBB-0C1D-FF57-FB6CFA7C1A19 |
treatment provided by |
Felipe |
scientific name |
Polystichum sect. Cyrtogonellum |
status |
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Key to species of Polystichum sect. Cyrtogonellum in China
1a Lamina imparipinnate and with apical pinna .....................................................................................................................................2
1b Lamina pinnate and with pinnatifid apex ...........................................................................................................................................4
2a Apical pinna of different shape as lateral pinnae ............................................................................................................ P. cretaceum View in CoL
2b Apical pinna of same shape as lateral pinnae.....................................................................................................................................3
3a Veins free; pinnae 13–24 pairs, obliquely ovate................................................................................................................ P. minimum View in CoL
3b Veins with few areoles along midrib; pinnae fewer than 8(–10) pairs, lanceolate........................................................ P. fraxinellum View in CoL
4a Veins with few areoles along midrib .............................................................................................................................. P. × rupestris
4b Veins free ............................................................................................................................................................................................5
5a Pinnae narrowly lanceolate, symmetrical or nearly symmetrical at base............................................................................. P. tenuius View in CoL
5b Pinnae obliquely deltoid-falcate or falcate-lanceolate, obviously asymmetrical at base ...................................................................6
6a Pinnae fewer than 20 pairs, falcate-lanceolate ....................................................................................................................... P. simile View in CoL
6b Pinnae ca. 30 pairs, obliquely deltoid-falcate................................................................................................................. P. xichouense View in CoL
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