A new species of yellow camellia from southwestern China
最新バージョン PhytoKeys によって公開 2021/08/31 PhytoKeys

Camellia debaoensis R.C. Hu & Y.Q. Liufu sp. nov. is described and illustrated as a new species from southwestern Guangxi, China. It is morphologically similar to Camellia pubipetala Y. Wan et S. Z. Huang, C. mingii S.X. Yang and C. tuyenquangensis D.V. Luong, N.N.H. Le & N. Tran, but it differs from these species in having glabrous young branches, glabrous petiole, glabrous sepals, glabrous petals, glabrous stamens and glabrous ovary, 10 petals, cylindrical ovary and style 3-lobed to 1/6 style length.

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パブリッシャーとライセンス保持者権利者は PhytoKeys。 This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

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キーワード

Camellia; China; limestone flora; taxonomy; Theaceae

連絡先

リソースを作成した人:

Yongqing Liufu
Researcher
Guangxi Museum of Natural History, Nanning, Guangxi 530012, China
530012 Nanning
Guangxi
CN

リソースに関する質問に答えることができる人:

Yongqing Liufu
Researcher
Guangxi Museum of Natural History, Nanning, Guangxi 530012, China
530012 Nanning
Guangxi
CN

メタデータを記載した人:

Yongqing Liufu
Researcher
Guangxi Museum of Natural History, Nanning, Guangxi 530012, China

他に、リソースに関連付けられていた人:

論文著者
Renchuan Hu
Research Associate
Guangxi Institute of Chinese Medicine and Pharmaceutical Science
530022 Nanning
CN
地理的範囲

Debao County, Guangxi Zhuang Autonomous Region, CHINA.

座標(緯度経度) 南 西 [-90, -180], 北 東 [90, 180]
時間的範囲
生成(収集)期間 2017-01-13
プロジェクトデータ

Camellia debaoensis R.C. Hu & Y.Q. Liufu sp. nov. is described and illustrated as a new species from southwestern Guangxi, China. It is morphologically similar to Camellia pubipetala Y. Wan et S. Z. Huang, C. mingii S.X. Yang and C. tuyenquangensis D.V. Luong, N.N.H. Le & N. Tran, but it differs from these species in having glabrous young branches, glabrous petiole, glabrous sepals, glabrous petals, glabrous stamens and glabrous ovary, 10 petals, cylindrical ovary and style 3-lobed to 1/6 style length.

タイトル Camellia debaoensis (Theaceae), a new species of yellow camellia from limestone karsts in southwestern China
ファンデイング 2017 Chinese Medicine Public Health Service Subsidy Special “National Chinese Medicine Resources Census Project” (GXZYZYPC17-3), the National Natural Science Foundation of China (31760088), the Guangxi Key Laboratory of Traditional Chinese Medicine Quality Standards Independent research topic (GZZZ201605), the Guangxi Science and Technology Project (guike AD16380013)
Study Area Description Camellia debaoensis grows at the entrance of one of the limestone caves in the karst region of Debao County (Fig. 3), Guangxi, China, accompanied by Ageratina adenophora (Sprengel) R. M. King & H. Robinson (Compositae), Boehmeria penduliflora Wedd. ex Long (Urticaceae), Fallopia multiflora (Thunb.) Harald (Polygonaceae), Flueggea virosa (Roxb. ex Willd.) Voigt (Euphorbiaceae), Pteris vittata L. (Pteridaceae), Ficus tikoua Bur (Moraceae), and Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen et S. M. Almeida ex Sanjappa et Predeep (Fabaceae).

プロジェクトに携わる要員:

収集方法

Shrubs, 1–3 m tall. Young branches cylindrical, thick, glabrous, yellowish brown or grayish brown, and current year branchlets purplish red. Leaf blade leathery, ovate to long ovate, 6–13 × 3–5 cm, adaxial surface dark green and glabrous, abaxial surface pale green, brown glandular punctuate and veins sparsely spreading villous, veins abaxially elevated and adaxially impressed, secondary veins 5–6 on each side of midvein and connected at the proximal edge, base cuneate to broadly cuneate, apex caudate tip, margin serrulate; petiole 5–12 mm long, glabrous. Flowers subterminal axillary, solitary, 3–4.5 cm diam. Pedicel ca. 4(–6) mm long, thick; bracteoles 4 (or 5), unequal, 1–3 × 2–4 mm, appressed and covering pedicel, oval-triangle, leathery, green and glabrous, margin ciliolate. Sepals 5 (–6), semiorbicular to broadly ovate, 3–5 × 5–8 mm, leathery, glabrous, lightly yellow and occasionally with pink patches, fruiting stage green, margin ciliolate. Petals 10, in three whorls of 3–4 petals, golden yellow, glabrous; outer 3 or 4 petals suborbicular, occasionally with pink patches, 0.7–1.1 × 1 cm; inner orbicular-ovate or oval, 1.2–1.8 × 1.2–2.6 cm, basally connate for 1–3 mm. Stamens numerous, glabrous, ca. 2 cm long; anthers ca. 3 × 1mm; outer filaments connate ca. basal 1/4, ca. 1.6 cm, inner filaments nearly distinct, ca. 1.7 cm. Ovary cylindrical, ca. 2 mm in diam., glabrous, 3-loculed; style 2 cm long, glabrous, base connate, apex 3-lobed to 1/6 style length. Capsule triangle oblate, glabrous, 1.4–1.6 × 1.6–2.8 cm; Seeds brown, hemispherical, pubescent.

Study Extent Several specimens were collected at the entrance of one of the karst caves of Debao County, Jingde Town, Tuoliang village from 2015 to 2018, and were deposited in the herbaria GXMI, IBK, NHMG, KUN. The morpho-photographs of the plants were taken with a Panasonic LX100 camera. This material was confirmed as a new species based on detailed comparison with all other heretofore known yellow camellias, including specimens deposited at PE, KUN, IBSC, IBK, GXMI, HIB, SYS, GXMG, and description from botanical websites (e.g. http://www.cvh.ac.cn/, https://plants.jstor.org/). Herbarium acronyms follow Thiers (2018). The morphological characters were measured using M & G ARL96004.

Method step description:

  1. Several specimens were collected at the entrance of one of the karst caves of Debao County, Jingde Town, Tuoliang village from 2015 to 2018, and were deposited in the herbaria GXMI, IBK, NHMG, KUN. The morpho-photographs of the plants were taken with a Panasonic LX100 camera. This material was confirmed as a new species based on detailed comparison with all other heretofore known yellow camellias, including specimens deposited at PE, KUN, IBSC, IBK, GXMI, HIB, SYS, GXMG, and description from botanical websites (e.g. http://www.cvh.ac.cn/, https://plants.jstor.org/). Herbarium acronyms follow Thiers (2018). The morphological characters were measured using M & G ARL96004.
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