Eupatorium hualienense

花蓮澤蘭

Eupatorium hualienense C. H. Ou, S. W. Chung and C. -I peng

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

C. H. Ou, S. W. Chung and C. -I peng, Flora of Taiwan, second edition 4: 956. pl. 454. photo 452. 1998. (Fl. Taiwan 2nd edit., 台灣植物誌第二版)

台灣首次記錄發表文獻

同發表文獻

異名

Eupatorium reevesii auct. non Wall.

Hayata, The Journal of the College of Science, Imperial University of Tokyo, Japan 18(8): 8. 1904. (J. Coll. Sci. Univ. Tokyo)
Eupatorium luchuense auct. non Nakai

Sasaki, List of plants of Formosa 410. 1928. (List Pl. Formos. (Sasaki), 台灣植物名彙)
Eupatorium luchuense Nakai var. kiirunense Kitam.

Kitam., Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 13: 292. 1937. pro. parte. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

各語言俗名

中

琉球澤蘭.
日

たいわんぶぢばかま. しまひよどりばな. しまぬぢばかま.

特徵描述

生活型

herb

形態特徵

Stems 50–150 cm long, erect, simple or branching apically; branches divaricate ascending, base glabrous, crisp puberulent apically.
Leaves short petiolate, ca. 2–10 mm long, median leaves broadly ovate, thick, 6.5–9×4.5–6.5 cm, lateral nerves 5–7 pairs, apex obtuse or short acuminate, base shallowly cordate or round, lower leaves smaller, to 2–3 cm long, margins serrate, teeth obtuse, both sides nearly glabrous, lower surface glandular punctate.
Flowering stems ending in compact corymbs with numerous heads; bracteoles lanceolate, involucre cylindric, 5–8-flowered, bracts 3-seriate, obtuse or rounded at apex, outer bracts much shorter, sparsely glandular punctate. Corolla tubular, 3.5 mm long, glandular.
Achenes glandular, black, 3–4 mm long, sparsely pilose. Pappus scanty, 3–4 mm long.
This species was misidentified by Hayata (as E. reevesii), Sasaki, Kitamura and Li (as E. luchuense). It is similar to E. luchuense, but can be easily distinguished by the 5–8-flowered heads (vs. 5-flowered heads), petiole ca. 0.2–1 cm long [vs. petiole 1–2 cm (3–8 cm, according to Yahara, Kawahara, Watanabe, Fl. Jap. 3b: 113. 1995)], heads in compact corymbs (vs. loose corymbs), leaf base cordate or rounded (vs. rounded to subtruncate).

引證標本

ILAN: Suao, Huang 13110; Wushihpi, Peng 10818. HUALIEN: Su-Hua Highway, at road marker 179 km, Chung 1304; Hsiulin, Chung 1305; Chingshui Cliff, Shen 690.