Aster lasiocladus

絨山白蘭

Aster lasiocladus Hayata

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

Hayata, Icones Plantarum Formosanarum 8: 49. fig. 26-1. 1919. (Icon. Pl. Formos., 台灣植物圖譜)

台灣首次記錄發表文獻

同發表文獻

異名

Aster ageratoides Turcz. var. lasioclada (Hayata) Hand.-Mazz.

Hand.-Mazz., Acta Horti Gothoburgensis 12: 215. 1935. (Acta Horti Gothob.)
Aster trinervius D. Don. var. lasioclada (Hayata) Yamamoto

Yamamoto, Journal of the Society of Tropical Agriculture 8: 269. 1936. (J. Soc. Trop. Agr., 熱帶農學會誌)
Aster ageratoides Turcz. ssp. lasioclada (Hayata) Kitamura

Kitamura, Memoirs of the College of Science, Kyoto Imperial University. Series B. Biology 13: 344. 1937. (Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.)

各語言俗名

日

びろーどやましろぎく.
台

Pek tiau kun.

參考資料

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

Perennial suffrutescent erect herbs with long stoloniferous rhizomes. Stems terete, 50–90 cm tall, villose, branching upward.
Radical leaves withering at anthesis. Cauline leaves distinctly 3-nerved, upper surface scabrous, lower surface densely villose, glandular punctate, more densely so on veins; middle leaves 4–10 cm long, 1.5–4 cm broad, ovate-oblong to oblong-lanceolate, apex acuminate or attenuate acuminate, base sharply narrowed, attenuate-cuneate, subsessile or short petiolate, margins serrate with 4–8 pairs of shallow teeth; upper leaves smaller.
Heads few to numerous in tight or loose corymbs, 1–1.5 cm across, peduncle 3–15 mm long. Involucre campanulate to hemispheric, 4.5–5.5 mm tall, 5–6 mm across, bracts in 3 or 4 series, green or purplish, herbaceous, somewhat scarious, 1-nerved adaxially, narrowly lanceolate, apex obtuse to acute, entire, tomentose outside, margins usually ciliolate, inner bracts gradually longer 4–5 mm long, 0.5–1 mm wide, outer bracts 1.7–3 mm long, 0.8–1.2 mm wide. Ray florets 12–15 in one row, ligules white, 4–8 mm long, 1–2 mm wide. Disc florets yellow, 4.5 mm long. Pappus dirty white or reddish, 4–5 mm long at maturity.
Achenes lanceolate-obovate, compressed, pale brown, 2–3 mm long, 0.7–1.2 mm wide, sericeous.
Chromosome number, 2n = 18, 27, 28 (Soejima & Peng, Bot. Bull. Acad. Sin. 39: 299–302. 1998).

物候

Fl. Aug-Nov.

分布

台灣 : mid and high elevations in the northern mountains, 2,100–2,600m.
世界 : Southern and southeastern China.

引證標本

ILAN: Szuyuan, Peng 5644; Nanhutashan, Fukuyama 4035. TAICHUNG: Kukuan, Peng 12149; Wuling, Peng 12075. NANTOU: Hinokiyama, Nakahara s. n. 1907 (TYPE!). CHIAYI: Alishan, Feng et Kao 4908.