Gynura divaricata subsp. formosana

白鳳菜

endemic

Gynura divaricata (L.) DC. subsp. 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. 1979. Kew bulletin 33(4): 637. (Kew Bull.)

台灣首次記錄發表文獻

同發表文獻

異名

Gynura formosana Kitam.

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

S. S. Ying. 1995. Cloured illustrated flora of Taiwan : Includes introduced species 5: 600. (Col. Ill. Fl. Taiwan Intr. Pl.)
Gynura ovalis DC.

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

各語言俗名

中

白鳳菜、台灣土三七
台

Péh hōng chhài
日

きじゆんさんしちそう

參考文獻

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