Gynura divaricata ssp. formosana

白鳳菜

endemic

Gynura divaricata (L.) DC. ssp. formosana (Kitam.) F. G. Davies

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

F. G. Davies, Kew bulletin 33(4): 637. 1979. (Kew Bull.)

台灣首次記錄發表文獻

同發表文獻

異名

Gynura ovalis auct. non DC.

Forbes & Hemsl., The journal of the Linnean Society of London. Botany 23: 448. 1888. (J. Linn. Soc., Bot.)
Gynura formosana Kitam.

Kitam., Acta phytotaxonomica et geobotanica eng 2: 175. 1933. (Acta Phytotax. Geobot.)
Gynura taitungensis S. S. Ying

S. S. Ying, Cloured illustrated flora of Taiwan : Includes introduced species 5: 600. photo 1282. 1995. (Col. Ill. Fl. Taiwan Intr. Pl.)

各語言俗名

中

台灣土三七.
日

きじゆんさんしちそう.
台

Péh hōng chhài.

參考文獻

W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Stems decumbent, rooting at base, upright shoots 20–50 cm tall, subscapose.
Lower leaves carnose, spatulate-oblong, 8–10×2–4.5 cm, pubescent on both surfaces, apex obtuse, base narrowed to petiole, with pseudostipules or margins amplexicaul, often lyrate-pinnatifid, segments 1 or 2 pairs, median cauline leaves smaller, sessile, oblong, pinnatifid or dentate, base sheathing, with pseudostipules; upper leaves few, linear-lanceolate to linear, 5–20 mm long.
Heads 2–5, 18 mm long, peduncle 5–7 cm long; involucre tubular, 11×12–15 mm, bracts lanceolate, puberulous, acute to acuminate, margins scarious; corolla 14–15 mm long.
Achenes cylindric, 4.5×0.8 mm, 10-ribbed, puberulous. Pappus white, 1 cm long.
Chromosome number, 2n = 20 (Peng & Hsu, 1978).

分布

台灣 : a littoral plant of northern and eastern Taiwan, occasional in lowland areas.

引證標本

TAIPEI: Kungliao, Peng 14963; Keelung, Wang 966. ILAN: Chuan, Peng 13834; Wushipi, Peng 10817. PINGTUNG: Oluanpi, Peng 12567; Chiupeng, Peng 7824. TAITUNG: Litao, Peng 11921; Yenping, Hsiao 1212. HUALIEN: Tsankuang Temple, Peng 12355.