Polystichum articulatipilosum H. G. Zhou & Hua Li
- Dataset
- Cyrtomium calcis sp. nov. and six new records of the shield fern family (Dryopteridaceae) from Vietnam
- Rank
- SPECIES
Classification
- kingdom
- Plantae
- phylum
- Tracheophyta
- class
- Polypodiopsida
- order
- Polypodiales
- family
- Dryopteridaceae
- genus
- Polystichum
- species
- Polystichum articulatipilosum
discussion
Notes: — Polystichum articulatipilosum is the only species in the genus with articulate hairs. This species has been found in three caves in southern China and northern Vietnam so far.
distribution
Distribution and habitat: — China (Guangxi), Vietnam (Hagiang); limestone walls, entrance of karst caves.
materials_examined
Type: — CHINA. Guangxi: Fengshan Xian, Paoli Xiang, Yueli Cun, Yangzidong, in shady cave of limestone, elev. ca. 510 m, 12 July 1990, Ding Fang & Xiaming Zhong 30550 (holotype GXMI). Voucher specimens examined: — VIETNAM. Hagiang Prov.: Quang Ba District, Bat Dai Son Nature Reserve, upper right of cave entrance, December 2018, Ngan T. Lu et al. 2266 (VNMN!). Additional specimens examined: — VIETNAM. Hagiang Prov.: Quang Ba District, 2016, Do V. T. s. n. (VNMN!); Hagiang Prov.: Yen Minh District, Du Gia National Park, 14 June 2022, Ngan T. Lu s. n. (VMNN!). — CHINA. Guangxi: Fengshan Xian, Paoli Xiang, Yueli Cun, Yangzidong, cave, 450 m, 31 March 2013, Huizhen Lu et al. s. n. (GXMI 0093201).