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| Clematis guniuensis W.Y.Ni, R.BWang & S.B.Zhou
in Wang, Ni, Xu, Gui & Zhou, 2019.
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Abstract
Clematis guniuensis sp. nov., a new narrowly endemic species of Clematis, is described and illustrated from the Huangshan Mountains of Eastern China. A description of C. guniuensis is presented along with illustrations, photographs and diagnostic differences between the new species and its putative close allies.
Keywords: Anhui, Early diverging eudicots, Ranunculales, Taxonomy
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| Figure 1. Clematis guniuensis W.Y.Ni, R.BWang & S.B.Zhou. A Habitat in flowering period B Inflorescences with budding flower, showing the bracts C Stamen D Pistil E Achene F Stem cross-section. |
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| Figure 3. Clematis guniuensis W.Y.Ni, R.B.Wang & S.B.Zhou. A Habitat B Young branches, showing stems 6–grooved, puberulous C Inflorescences, showing style and abaxial surface view of leaf blade D Dorsal view of cymes, showing peduncles and bracts E Frontal view of flower, showing stamens F Fruit G Achenes, showing persistent style. |
Clematis guniuensis W.Y.Ni, R.B.Wang & S.B.Zhou, sp. nov.
Diagnosis: Resembles C. florida Thunb. and C. huchouensis Tamura but can be distinguished from the former one by puberulous leaflet blades, longer petiole, larger flowers with light green sepals, longer stamens and white filaments and from the latter by its longer petioles, 3-lobed leaflet blades, shorter pedicel, larger flowers, 4 sepals, filaments about 3–5 times the length of the anther, persistent style 1.5–2 cm long, and yellow plumose.
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Etymology: The specific epithet is derived from the type locality, Guniujiang National Nature Reserve.
Vernacular name: Gǖ Niǘ Tiě Xiãn Lián (Chinese pronunciation); 牯牛铁线莲 (Chinese name).
Distribution and habitat: To date, C. guniuensis is only known from the type locality, Guniujiang National Nature Reserve, Huangshan City, Anhui Province (Fig. 4). Currently the species is known from a few collections and there is only one known population with ca. 20 individuals at the type locality. The species is mostly found in tea plantations or forest edges along valleys of evergreen broad-leaved forests, at an elevation of 1,500 m a.s.l.
Rong-Bin Wang, Wei-Yong Ni, Wen-Jing Xu, Zheng-Wen Gui and Shou-Biao Zhou. 2019. Clematis guniuensis (Ranunculaceae), A New Species from Eastern China. PhytoKeys. 128: 47-55. DOI: 10.3897/phytokeys.128.33891
