生活型

herb

形態特徵

• Stems 20–100 cm or more long, unbranched or branched, node 4 to 18 or more, sparsely purple-brown spotted, glabrous.
• Petiole 2–6 cm long; leaf blade oblong-lanceolate, oblanceolate or lanceolate, sometimes falcate, 7–20 cm long, 2.5–5 cm wide, herbaceous, base cuneate or narrowly cuneate, sides equal or oblique, margins repand-crenate, apex acuminate, subglabrous or sparsely pubescent, sclereids vermiform, surrounding vascular bundles, lateral veins 6–10 pairs.
• Flowers 3 or more; peduncle 1.5–4 cm long, glabrous. Involucre 2–2.5 cm in diam., glabrous. Calyx segments free, lanceolate or elliptic-lanceolate, 8–10 mm long, 3–4 mm wide, glabrous. Corolla white with purple spots, 3.7–4.5 cm long, tube 3–3.8 cm long, ca. 1.4 cm in diam. at mouth, glabrous outside, with a ring of hairs inside; upper lip ca. 5 mm long; lower lip ca. 7 mm long. Disc 1 mm tall. Anthers oblong, 3 mm long, coherent apically; staminodes 3. 3–8 mm long. Gynoecium 1.5–2 cm long, glabrous, stigma subtruncate.
• Capsule linear-lanceolate, 2.2–2.5 cm long, 3–4 mm wide, glabrous. Seeds fusiform-elliptic, ca. 0.5 mm long.

物候

Flowering September to December, fruiting November to January.

分布

• 台灣 : in the north and center at low to high elevations; moist forest edges and shady streamsides.
• 世界 : the SW Ryukyu Islands.

引證標本

TAIPEI: Wulai, Masamune 130; Lalashan, Sasaki s. n. 1930; Kwangyinshan, Fukuyama 174; Tunghouchih, Kao 9208; Fonling, Yang 1126; Bardauershan, Chiang 971; Tsaikungkengshan, Liou et al. 109. ILAN: Taipingshan, Huang 3978; Nanhutashan, Kao s. n. 1972; Jentse, Hsu 15288. TAOYUAN: Chiaopanshan, Sasaki s. n. 1917. HSINCHU: Kwanwu, Huang 4135; Pashenshan, Liu, Kou & Kao 433; Anmashan, Liu & al.118; Wutzushan, Yang 776. MIAOLI: Luchangtashan, Simada 2488B. TAICHUNG: Tungshih, Sasaki n. s. 1917; Pahsienshan, Suzuki 5691. NANTOU: Chitou, Kao 7733; Honhongshan, Kao 6764; Tungpu, Jeng 2470; Meihon, Kao 9832; Nengkaoyueh, Yang 766. CHIAYI: Tosikyaku. Sasaki s. n.1919; Tatungshan, Kao 9623. KAOHSIUNG: Tenchi, Huang 6545; Shanping, Huang 4929; Luikuei, Chao 712. PINGTUNG: Chinshuiying, Tang 220; Tahanshan, Kao 8788; Wutoushan, Yang & Lin 10978. HUALIEN: Luanshan, Huang 4266.

引用文獻

• LI, Zhen-Yu and KAO, Muh-Tsuen, Flora of Taiwan, second edition 4: 698. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)