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 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.)
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.)

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.