Senecio crataegifolius

小蔓黃菀

endemic

Senecio crataegifolius 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

名彙資訊

學名發表文獻

Hayata, Icones Plantarum Formosanarum 8: 67. 1919. (Icon. Pl. Formos.)

台灣首次記錄發表文獻

同發表文獻

異名

Senecio scandens Buch.-Ham. ex D. Don var. crataegifolius (Hayata) Kitam.

Kitam., Acta phytotaxonomica et geobotanica eng 9: 37. 1940. (Acta Phytotax. Geobot.)

各語言俗名

日

たいわんきんぎくもどき.

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

Stems suberect or ascending, sometimes nearly scandent, 10–60 cm tall, branched or simple, subglabrous.
Leaves 1–4×1–2 cm, thick chartaceous, triangular, incised dentate with broad triangular teeth, sometimes lobulate toward base, pubescent on both surfaces. Heads usually few, in lax corymbs, terminal.
Heads 13–14 mm across, peduncle 0.5–2 cm long, bracteate, bracteoles (1-)2–10, linear, 1–2 mm long. Involucre cylindric-campanulate, 5–8×3–5 mm, bracts ca. 8 or 9, lanceolate to narrowly oblong, acute. Ray florets 8 or 9, corolla yellow, ca. 9×2 mm, corolla tube 4.5 mm long; disc florets 5 lobed, ca. 1 mm long, corolla 5–6 mm long.
Achenes cylindric, ca. 3×0.6 mm, 5-ribbed, short pilose on ridges. Pappus 5–6 mm long, white.

分布

台灣 : in crevices of rocky slopes, 800–3,000 m.

引證標本

TAICHUNG: Kukaun, Peng 8740; Techi, Peng 8015. NANTOU: Jenai, Peng 16543; Chilaishan, Kelley 195.98. CHIAYI: Tzuchung, Hsu 4236. HUALIEN: Yenhai Forest Trail, Peng 13037; Houanshan, Huang 4695.