Rhynchotechum formosanum

蓬萊同蕊草

Rhynchotechum formosanum Hatusima

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

Hatusima, Journal of Japanese Botany 15: 132. fig. 1. 1939. (J. Jpn. Bot.)

台灣首次記錄發表文獻

同發表文獻

異名

Lysimachia saurauifolia Ying

Ying, Quarterly journal of Chinese forestry 20(4): 123. pl. 1. fig. 1 & 2. 1987. (Quart. J. Chin. For.)
Rhynchotechum ellipticum DC. var. saurauifolium (S. S. Ying) S. S. Ying

Ying, Memoirs of the College of Agriculture, National Taiwan University 29(2): 46. pl. 1-2. 1989. (Mem. Coll. Agr. Natl. Taiwan Univ.)
Rhynchotechum saurauifolia (S. S. Ying) S. S. Ying

Ying, Memoirs of the College of Agriculture, National Taiwan University 29: 46. 1989. pro syn. nom. ille. (Mem. Coll. Agr. Natl. Taiwan Univ.)

各語言俗名

中

台灣線柱苣苔.

特徵描述

生活型

shrub

形態特徵

Subshrubs. Stems 35–100 cm tall, unbranched or branched, apically densely appressed fulvous woolly.
Leaves opposite; petiole 0.5–2.5 cm long, densely appressed fulvous woolly; blade usually elliptic, sometimes oblong or narrowly obovate, (6.5-)13–26 cm long, (2.5-)6.5–12 cm wide, papery, adaxially glabrescent, abaxially fulvous pubescent, base widely cuneate or cuneate, margins denticulate, apex short acuminate or acute; lateral veins 9–14 pairs.
Cymes often in pairs, 2- or 3-branched, 2–3.5 cm in diam., 4–25-flowered; peduncle 1.2–2.4 cm long, densely appressed brown villous; bracts subulate, 5–8 mm long, densely appressed brown pubescent. Pedicels 4–7 mm long. Calyx segments lanceolate-linear, 3–5 mm long, 0.5–0.7 mm wide, densely appressed brown pubescent outside, glabrous inside. Corolla white, 4–5 mm long, tube ca. 2 mm long, upper lip ca. 1 mm long, lower lip ca. 2 mm long. Stamens adnate to corolla base, filaments glabrous, ca. 0.3 mm long; anthers 1 mm long; staminodes 0.2 mm long. Gynoecium ca. 4 mm long; ovary ca. 1 mm long, puberulous.
Berry white, subglobose, 6–8 mm long, puberulous. Seeds ovoid or ellipsoid, 0.25–0.3 mm long.

物候

Flowering July to August, fruiting August to October.

花	1	2	3	4	5	6	7	8	9	10	11	12
果	1	2	3	4	5	6	7	8	9	10	11	12

分布

台灣 : northern Taiwan, wet places in evergreen forests and shaded streamsides between 200 and 400 m.
世界 : Endemic to China (sourthern Guangdong, Hainan, southwestern Guangxi and southeastern Yunnan).

引證標本

TAIPEI: Kankou, Hatusima s. n. 1932; Bunzangun, Sasaki s. n. 1930; Hsiaokotou, Hsieh & Yang 691; Hsintien, Wang et al. 85; Kungpingshan, Ying s. n. 1986.