Taraxacum formosanum

台灣蒲公英

Taraxacum formosanum Kitam.

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

Kitam., Acta phytotaxonomica et geobotanica eng 2: 48. 1933. (Acta Phytotax. Geobot.)

台灣首次記錄發表文獻

同發表文獻

異名

Taraxacum platycarpum auct. non Dahlst.

Hayata, General Index to the Flora of Formosa 41. 1917. (Gen. Ind. Fl. Formos.)
Taraxacum mongolicum Hand.-Mazz. var. formosanum (Kitam.) Kitam.

Kitam., Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 24: 42. 1957. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

各語言俗名

英

Formosan dandelion.
日

たんぽぽ. たかさごたんぽぽ.

參考文獻

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

herb.
Leaves many, pilose on both surfaces when young, becoming glabrate, oblanceolate to oblanceolate-linear, 8–20×1–4 cm, apex obtuse-mucronulate, base attenuate into winged petiole, pinnately cleft, segments of 4 or 5 pairs, deltoid, obtuse, terminal lobes deltoid or hastate. Scapes several, shorter than leaves or equal, densely hairy.
Heads 35–45 mm wide; involucre 15–16 mm long, outer bracts linear or linear-lanceolate, 7–9×1.5–2 mm, corniculate, margins white hyaline, apex slightly pilose, inner ones linear-lanceolate, corniculate; corolla yellow, marginal florets 17–21 mm long, tube pubescent or not.
Achenes oblong, brown, ca. 3.5×*1.2 mm, grooved, densely warty, apex muricate, beak 7–9 mm long. Pappus 6.5–7 mm long.
Chromosome number, 2n = 16 (Peng & Hsu, 1978).

分布

台灣 : in littoral areas north of Taichung.
世界 : Japan, the Ryukyus, Korea, Manchuria and eastern China.

引證標本

TAIPEI: Tanshui, Liao 1751; Sanchih, Niucheliao, Peng 10366. TAOYUAN: Chuwei, Liao 1752. HSINCHU: Hsienchiaoshih, Hosokawa s. n. 1941. MIAOLI: Chungkang, Hsu 5297. TAICHUNG: Su s. n. 1975.