Dendranthema indicum

油菊

Dendranthema indicum (L.) Des Moul.

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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Des Moul., Actes de la Société Linnéenne de Bordeaux 10: 561. 1855. (Actes Soc. Linn. Bordeaux)

Kitamura, Acta phytotaxonomica et geobotanica eng 29(6): 165. 1978. (Acta Phytotax. Geobot., 植物分類,地理)

Wang, Chang & Huang, Quarterly Journal of Forest Research 40(2): 111-131. 2018. (Quart. J. Forest. Res., 林業硏究季刊)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

Plants with creeping rhizomes. Stems leafy, slightly decumbent with deciduous soft dorsifixed pubescence.
Median cauline leaves chartaceous, petiolate, ovate-oblong, 3–5×2.5–4 cm, slightly cordate to truncate and abruptly narrowed at base, falsely stipulate, petioles 1–2 cm long, pinnately cleft, terminal lobe largest, obtuse, lateral lobes of 2 pairs, elliptic to oblong, acute or obtuse, sometimes denticulate, with a narrow or rather broad sinus between lobes, short-pubescent above, with soft dorsifixed pubescence beneath.
Heads about 2.5 cm across, in loose terminal corymbs, peduncles slender; involucres hemispheric, 5–6 mm long, bracts 4-seriate, outer small, oblong or ovate, inner shorter than median, elliptic or oblong. Ray florets: corolla yellow, 11–13 mm long, 2.5–3 mm wide. Disc florets: corolla yellow, 3 mm long, 5-fid.
Achenes about 1.8 mm long, slightly curved, 5-grooved.