Symplocos koshunensis
恆春灰木
endemic
Symplocos koshunensis Kanehira
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
名彙資訊
學名發表文獻
Kanehira, Transactions of the Natural History Society of Formosa 20: 382. 1930. (Trans. Nat. Hist. Soc. Formos.)
台灣首次記錄發表文獻
同發表文獻
異名
-
Symplocos trichoclada Hayata var. koshunensis MoriMori, Transactions of the Natural History Society of Formosa 24: 195. 1934. (Trans. Nat. Hist. Soc. Formos.)
-
Symplocos glauca auct. non (Thunb.) Koidz.
-
Symplocos glauca (Thunb.) Koidz. var. koshunensis (Kanehira) S. S. YingS. S. Ying, Cloured illustrated flora of Taiwan : Includes introduced species 2: 578. 1987. (Col. Ill. Fl. Taiwan Intr. Pl.)
各語言俗名
-
中恆春山礬.
-
英Hengchun sweet-leaf.
參考文獻
-
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)
特徵描述
生活型
tree-shrub
形態特徵
- Small evergreen trees or shrubs; twigs thick, terete, glabrous or sparsely cobwebby pubescent.
- Leaves turning reddish brown when dry, coriaceous or thinly coriaceous, 15–27 cm long, 4.5–8 cm wide, apex acuminate or caudate, base cuneate, margins recurved, entire or often distally with glandular teeth distally, glabrous above on upper surface; glaucous, spasely cobwebby pubescent below on lower surface, more densely so along midrib and nerves, midrib impressed above on upper surface, very prominent on lower surface beneath, nerves 11–13 pairs meeting in an intramarginal vein, impressed on upper surface, distinctly prominent on lower surface; petioles 2–2.5 cm long, cobwebby pubescent, but later glabrescent.
- Inflorescences a contracted spikes, often branched at base, from axils of leaves and/or on twigs, axis rusty tomentose, bracts depressed ovate to ovate, 2.5–4 mm long, apex rounded or obtuse, bracteoles 2, ovate, ca. 2 mm long, obtuse at apex, adaxially glabrous, abaxially rusty tomentose, both persistent. Calyx tube glabrous, ca. 1 mm long, limb ca. 2 mm, 5-lobed, lobes ovate to triangular, ca. 1 mm long, tomentose outside; corolla 5-lobed, lobes ca. 4 mm long, 3 mm wide; disc annular, glabrous, ovary 3-locular.
- Fruits dark violet, narrowly ovoid, crowned by persistent calyx lobes, ca. 15 mm long, ca. 7 mm in diam., stone smooth or shallowly grooved lengthwise grooved, endocarp woody, seed 1, straight, with straight embryo.
分布
- 台灣 : Taitung.
引證標本
TAITUNG: Sisuipo, Sasaki 22386; Oiwake, Tipon-goe, Suzuki 10716; Chinshuiying N. R., Yang 23264.
參考文獻
典藏標本
共有 7 份典藏標本
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