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FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae

1. Dryopteris subg. Pycnopteris (T. Moore) Ching, Bull. Fan Mem. Inst. Biol., Bot. 8: 371. 1938.

奇羽亚属 qi yu ya shu

Authors: Sugong Wu, Xiang Jianying & David S. Barrington

Pycnopteris T. Moore, Gard. Chron. 1855: 468. 1855.

Fronds once imparipinnate, terminal pinnae similar to lateral ones.

Five species: mainly in E Asia; five species (three endemic) in China.

This subgenus is apparently not monophyletic following a molecular analysis (Li Bing Zhang et al., BMC Evol. Biol. 12: 180. 2012).

1 Plants 1-2.5 m tall, lateral pinnae 8-14 pairs, herbaceous, 2 or 3 basal pairs of veinlets not reaching margin, margins of pinnae nearly entire or with only shallow, undulate, rounded teeth.   1 D. bodinieri
+ Plants 0.5-1 m tall, lateral pinnae 1-5 pairs, occasionally a few more, leathery or herbaceous, only basiscopic basal veinlet not reaching margin   (2)
2 (1) Stipe hard, scales black or brown, linear-subulate; pinnae narrow, generally ca. 2 cm wide, thinly leathery, often narrowed toward base.   5 D. podophylla
+ Stipe weak, scales pale brown or red-brown, lanceolate; pinnae broad, 3-3.5 cm wide, papery, not narrowed toward base   (3)
3 (2) Pinnae 1-3 pairs (sometimes more), with nearly entire or sparse shallow rounded teeth.   2 D. sieboldii
+ Pinnae 3-5(-7) pairs, with undulate-incised or partite margin   (4)
4 (3) Pinnae undulate-incised, with small rounded teeth.   3 D. enneaphylla
+ Pinnae undulate-incised, base of apical pinnae partite, segments entire or undulate.   4 D. toyamae

Lower Taxa


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