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| Oreocharis tianlinensis R.C. Hu, W.B. Xu & Y.Feng Huang: in Hu, Hu, Qin, Xu & Huang, 2022. 田林馬鈴苣苔 || taiwania.ntu.edu.tw |
Abstract
The new species Oreocharis tianlinensis R.C. Hu, W.B. Xu & Y.Feng Huang is described and illustrated in this paper. It is morphologically similar to Oreocharis aimodisca Lei Cai, Z.L. Dao & F. Wen in leaves elliptic to ovate, calyx 5-parted to the base, corolla yellow, tube robustly tubular, gradually expanded from base to the throat, but differs in blade margin and abaxial main vein and lateral veins, petiole, and calyx densely rust-brown villosus outside; inflorescence 1 (or 2)-flowered, bracts 3; calyx lobes equal, margin entire; stamens 4, didynamous; capsule cylindrical, 3–3.5 cm long, glabrous. Also, O. tianlinensis is morphologically similar to O. longifolia (Craib) Mich.Möller & A.Weber, O. aurantiaca Burtt and O. muscicola (Diels) Mich.Möller & A.Weber in the appearance and color of its flowers, but differs in leaf-blade broadly ovate, base shallow heart, margin crenate; inflorescence 1 (or 2)-flowered, bracts 3; filaments and pistil sparsely glandular puberulent; anthers oblong, separated.
KEY WORDS: Limestone flora, new species, Oreocharis aimodisca, O. longifolia, O. aurantiaca, O. muscicola, taxonomy.
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| Oreocharis tianlinensis R.C. Hu, W.B. Xu & Y.Feng Huang: A. Habit, B. Lateral view of flower, C. Opened flower and bracts, D. Calyx and pistil. Drawn by Xin-Cheng Qu based on the holotype. |
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| Oreocharis tianlinensis R.C. Hu, W.B. Xu & Y.Feng Huang: A. Flowering habit, B. Habitat, C. Leaves, D. Back view of flowers, E. Opened flower and bracts. |
Oreocharis tianlinensis R.C.Hu, W.B.Xu & Y.Feng Huang, sp. nov.
田林馬鈴苣苔
Diagnosis: Oreocharis tianlinensis is similar to O. aimodisca, but differs in blade margin and abaxial main vein and lateral veins, petiole, and calyx densely rustbrown villosus outside; inflorescence 1 (or 2)-flowered, bracts 3; calyx lobes equal, margin entire; stamens 4, didynamous; capsule glabrous.
Etymology: The specific epithet is derived from the type locality, Tianlin County, Guangxi, China.
Ren-Chuan Hu, Qi-Min Hu, Ying Qin, Wei-Bin Xu and Yun-Feng Huang. 2022. Oreocharis tianlinensis, A New Species of Gesneriaceae from the Limestone Area in northwestern Guangxi, China. Taiwania. 67(4); 479-483. DOI: 10.6165/tai.2022.67.479
