Rhynchotechum discolor

同蕊草

Rhynchotechum discolor (Maxim.) Burtt

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

Burtt, Notes from the Royal Botanic Garden, Edinburgh 24(1): 37. 1962. (Notes R. Bot. Gard. Edinb)

台灣首次記錄發表文獻

Kao & DeVol, Taiwania 17(2): 163. pl. 12. 1972.

異名

Isanthera discolor Maxim. var. austrokiushiuensis Ohwi

Ohwi, Acta phytotaxonomica et geobotanica eng 7: 29. 1938. (Acta Phytotax. Geobot.)
Isanthera austrokiushiuensis Ohwi

Ohwi, Acta phytotaxonomica et geobotanica eng 7: 29. 1938. (Acta Phytotax. Geobot.)

各語言俗名

中

珍珠癀. 異色線柱苣苔.
日

やまびわそう.

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

shrub

形態特徵

Subshrubs. Stems 25–45 cm tall, unbranched, basally glabrescent, apically densely appressed brown pubescent.
Leaves alternate, sometimes lower ones opposite; petiole 0.7–2.5 cm long, densely appressed brown pubescent; blade oblong oblanceolate, oblong or narrowly elliptic, 6.5–16 cm long, 2.5–5 cm wide, papery or herbaceous, adaxially appressed pubescent, glabrescent, abaxially pubescent, base attenuate, margins irregularly denticulate, apex slightly acute; lateral veins 7–12 pairs.
Cyme 1, branched 2 or 3 times, 6–25-flowered; peduncle 1.8–3 cm long, densely appressed brown pubescent; bracts lanceolate, 5–8 mm long, densely appressed brown pubescent. Pedicel 1–4 mm long, densely appressed brown pubescent. Calyx segments linear, ca. 5 mm long, 0.5 mm wide, densely appressed pubescent outside, glabrous inside. Corolla white, ca. 4 mm long, tube ca. 1 mm long, upper lip ca. 3 mm long, lower lip nearly as long as upper. Stamens adnate near corolla base; filaments ca. 1 mm long; anthers 0.5 mm long; staminodes ca 0.5 mm long. Gynoecium ca. 3.5 mm; ovary ca. 2.2 mm long, puberulous.
Berry white, ovoid, ca. 5 mm long, puberulous. Seeds ovoid to ellipsoid, 0.25–0.3 mm long.

物候

Flowering July to December, fruiting August to February.

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 : in shady places in forests in valleys from 100 to 1900 m.
世界 : southern Japan, northern Philippines and China (Hainan, eastern Guangdong, southern Fujian), also reported form New Guinea.

引證標本

TAIPEI: Chanchushan, Masamune 1382; Muzishan, Hsu 192; Shamaoshan, Simada s. n. 1914; Shantzuhou, Lin 386; Tatungshan, Huang 958; Yangmingshan, Huang 9709; Chintienkun, Wang 664; Fouling waterfall, Yang 540; Hsiackotou, Huang 4342; Hsintien, Hsieh 903; Kyudaiensyurin, Sasaki s. n. 1932; Peichatienshan, Shie 1027; Pinglin, Shyu s. n. 1996; Sanhsia, Masamune s. n. 1929; Shoeiyuaninshan, Shie 1139; Tamsui, Oldham 380; Toutingli Reserve Zoo, Kuo 9978; Tutanshan, Kuo 10204; Urai, Huang 9131; Wenshan, Hsieh 903; Yinhotung, Wang 2742. ILAN: Bonbonshan, Kao 5960; Oobishan, Masamune s. n. 1938; Shenmi Lake, Huang & Huang 13406; Taipingshan, Huang 3973. TAOYUAN: Chatienshan, Suzuki s. n. 1931. HSINCHU: Chinpingshan, Uchida s. n. 1927. MIAOLI: Tahu, Cheng 123. NANTOU: Neimaopu, Sasaki s. n. 1923; Chingshuikou, Kuo s. n. 1958; Chitou, Kao 7862; Meifeng, Masamune & Nakamura 2392; Nenkaoshan, Huang & Kao 6177; Sun Moon Lake, Kudo & Sasaki 15354. CHIAYI: Alishan, Kao 5637; Chinsuliao, Yen 1482. KAOHSIUNG: Maolin, Wang & al. 9685; Peinanchushan, Yamazaki et al. 340; Sanpin, Huang 4921. PINGTUNG: Chinshuiying, Huang 330; Kaoshih, Kudo & Suzuki 15989; Lilongshan, Yang 1240; Machia, Huang & Kao 7377; Naiyi, Huang et al. 16079; Nanjenshan, Ou & Kao 9053. TAITUNG: Chuifen, Suzuki 10718; Daibugoshan, Suzuki 7066; Kutzulunshan, Kao & Chuang 1137; Lanyu, Hsieh 1553; Lutao, Sasaki s. n. 1935. HUALIEN: Tungli, Sasaki s. n. 1929; Yuli, Yamamoto & Mori 8437.