Teucrium bidentatum

二齒香科科

Teucrium bidentatum Hemsl.

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

Hemsl., The journal of the Linnean Society of London. Botany 26: 312. 1890. (J. Linn. Soc., Bot.)

台灣首次記錄發表文獻

Hsieh & Huang, Taiwania 41(2): 84. fig. 1, 2, 9, 14. 1996.

異名

Kitnostemon pernyi Kudo var. ningpoense Kudo

Kudo, Memoirs of the Faculty of Science and Agriculture Taihoku Imperial University 2: 299. 1929. (Mem. Fac. Sci. Agr. Taihoku Imp. Univ.)
Kinostemon ningpoense (Hemsl.) Kudo

Kudo, Journal of the Society of Tropical Agriculture 2: 146. 1930. pro parte, quod vide Pl. Taiwan. (J. Soc. Trop. Agr.)

各語言俗名

中

四齒萼草.
日

きらいそう.

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

Perennial erect herbs, 40–60 cm tall; stem quadrangular, pubescent.
Leaves opposite, chartaceous; petiole to 1 cm long, pubescent; blade 2.5–9 cm long, 1–2.5 cm wide, elliptic, apex acuminate, base cuneate to obtuse, margins serrate, upper surface glabrous or minutely pubescent, lower surface pubescent on veinlets, glandular dotted.
Flowers in pairs, in false whorls, opposite; inflorescences raceme-like, terminal and axillary, to 3 cm long; foliaceous bracts elliptic, both surfaces pubescent; pedicels 3–4 mm long; calyx campanulate, bilabiate, 5 mm long, with septate hairs in throat forming a ring, upper lip 3-lobed, middle lobe largest, broadly ovate, concave; two lateral lobes transversely oblong; lower lip 2-lobed, adnate to 2/3 of lip, corolla bilabiate, ca. 10 mm long, white, upper lip deeply bilobed, lobes obliquely triangular, apex obtuse, connate to lower lip, lower lip 3-lobed, middle lobe largest, boat shaped, ca. 3 mm long; stamens 4, didynamous, exserted.
Nutlets shallowly ridged, globose, ca. 1.2 mm long, covered with glandular granules.
Chromosome number 2n = 32.

物候

Flowering time from August to December.

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

引證標本

HSINCHU: Kwanwu, Huang 4100. TAICHUNG: Lishan, Yang 2048. NANTOU: Between Kwankao and Tungpu, Huang 8596; between Loloku and Kwankao, Huang et al. 5261. HUALIEN: Suzuki 1732*; Tienchang, Suzuki 1786. KAOHSIUNG: Neiyingshan, Suzuki 20936. TAITUNG: Tienlong Bridge, Huang 3.