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Artemisia annua

黃花蒿

Artemisia annua L.
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名彙資訊

學名發表文獻

L., Species Plantarum 2: 847. 1753.  (Sp. Pl.)

台灣首次記錄發表文獻

Kitamura, Acta phytotaxonomica et geobotanica eng 9: 32. 1940.  (Acta Phytotax. Geobot., 植物分類,地理)

異名

各語言俗名

  • くそにんじん.

參考文獻

  • Yang, A list of plants in Taiwan . 1982.  (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

herb

形態特徵

  • Herbs annual, 70–160(–200) cm tall, more branched, strongly aromatic, sparsely puberulous, soon glabrous.
  • Petiole of middle leaves 1–2 cm long, blade glandular-punctate, lowermost cauline leaves ovate or triangular-ovate, 3–7×2–6 cm, 3(–4)-pinnately parted, segments 5–8(-l0) pairs, ultimate lobes deeply serrate, teeth triangular, 1–2×0.5 mm, midrib obviously prominent on upper surface, rachis narrowly winged, not serrate or remotely serrate; middle leaves 2(–3)-pinnately and pectinately parted; uppermost leaves and leafy bracts l(–2)-pinnately parted.
  • Heads numerous, globose, 1.5–2.5 mm in diam., nodding, in broad, pyramid shaped paniculate inflorescences. Outer florets 10–18. Central florets 10–30, dark-yellow or yellow.
  • Achenes ellipsoid-ovoid.
  • Contains essential oils, in which "qing hau su, C<sub>15</sub>H<sub>22</sub>O<sub>5</sub>", arteannuin I, II, cinereole, camphor, artemisia ketone are included. Well known for antiphlogistic, antifebrile and haemostatic uses, especially effective for curing malaria.

物候

Fl. and fr. Aug-Sep.

1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12

分布

  • 台灣 : not collected for half a century.
  • 世界 : Widely distributed in Eurasia, northern. Africa, North America and China.

引證標本

TAIPEI: Tansui, Li 786. HSINCHU: Shimada 9354. TAINAN: Tsang 40.

參考文獻

典藏標本

共有 1 份典藏標本

    P71620
    莊燦陽 T.I.Chuang
    Kinmen

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