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Aster chingshuiensis

清水馬蘭

endemic
Aster chingshuiensis Y. C. Liu & C. H. Ou
名彙資訊
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名彙資訊

學名發表文獻

Y. C. Liu & C. H. Ou, Quarterly journal of Chinese forestry 14(2): 26. photo 4. 1981.  (Quart. J. Chin. For., 中華林學季刊)

台灣首次記錄發表文獻

同發表文獻

異名

  • Aster hualiensis S. S. Ying
    S. S. Ying, Memoirs of the College of Agriculture, National Taiwan University 28: 39. pl. 4. 1988.  (Mem. Coll. Agr. Natl. Taiwan Univ., 國立台灣大學農學院硏究報告)

各語言俗名

  • 清水山馬蘭.

特徵描述

生活型

herb

形態特徵

  • Perennial, erect, rhizomatous herbs, stems terete, 10–25 cm tall, stems unbranched or branched upward, scabrous.
  • Radical leaves lanceolate-oblong to elliptic, apex acute, base cuneate to winged petiole, 1–2 cm long, 5–10 mm wide, margins sparsely mucronulate-serrate, hispid on both surfaces, lower surface glandular; petiole 1–1.5 cm long. Medium cauline leaves elliptic to lanceolate-oblong, 1–2.5 cm long, 4–10 mm wide, nearly sessile, remotely mucronulate-serrate, hispid and scarcely glandular on both surfaces, upper leaves gradually smaller.
  • Heads 1–2 cm across, few in loose corymbs, or sometimes solitary and terminal; peduncle ca. 1–3 cm long, densely scabrescent. Involucre hemispheric to campanulate, ca. 4.5 mm tall, 5.5–6.3 mm across. Bracts 3- or 4-seriate, linear to narrowly lanceolate, outer bracts smaller, ca. 3 mm long, inner bracts 4–4.5 mm long, ca. 0.5 mm wide, puberulous on outer surface, herbaceous, green, sometimes purplish. Ray florets 10–18, in one row, ligules white, 4.5–5.5 mm long, ca. 1 mm wide. Disc florets yellow, ca. 4 mm long.
  • Achenes oblong, compressed, ca. 2 mm long, sericeous, pappus pale tawny, 3–4 mm long.
  • <i>Aster chingshuiensis</i> has oblong leaves with acute apices, and is distinguished from <i>A. morrisonensis</i> which has lanceolate leaves with acuminate apices. Plants collected around Mt. Luanshan are similar to <i>A. chingshuiensis</i>. They grow in the same habitat as<i> A. chingshuiensis</i> on limestone in high mountains, but they have more leaves evenly scattered on the stems, shorter nodes, thicker leaves and more evident veins than <i>A. chingshuiensis</i> on Mt. Chingshui. It seems reasonable to refer to these plants as <i>A. chingshuiensi</i>s for the time being, but further research on the plants of Mt. Luanshan is needed. The specimens are as below: <li>Hualien: Lanshan, <i>Tamura et al. 21643, Tamura et al. 21599, Hsu & Hsu 3666</i>. One specimen collected between Chilai and Shuilien (<i>Liu 1544</i>) is intermediate between the plants of Mt. Chingshui and Lanshan.</li>

物候

Fl. (Mar-) Jun-Jul (-Aug).

分布

  • 台灣 : sunny, gravelly, limestone ridges; 2,000–2,500 m, rare.

引證標本

HUALIEN: Panpien to Chilai, Shimizu 11348; Mt. Chingshui, Liao s. n. 1978 (Holotype!), Leu 1773, Ho 1251.

引用文獻

典藏標本

共有 1 份典藏標本 所有標本模式標本

    F00000154
    應紹舜 Shao-Shun Ying
    花蓮 Hualien

    共有 1 份典藏標本所有標本模式標本

      F00000154
      應紹舜 Shao-Shun Ying
      花蓮 Hualien

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