生活型

shrub

形態特徵

• Subshrubs, epiphytic or epipetric. Stems 7–30 cm tall, branched or unbranched, glabrous to puberulous.
• Leaves 3-whorled, opposite, or crowded in pseudowhorls of 4–7 leaves; petiole 1–4 mm; blade linear, broadly elliptic, oblanceolate to obovate, or rarely lanceolate to ovate, 1.5–7 cm long, (0.4-)0.8–2 cm wide, leathery; both surfaces glabrous, rarely puberulous; base narrowly to widely cuneate, rarely rounded, margins apically serrate to crenate, dentate, or subentire, basally subentire, apex acute to subtruncate, lateral veins 3–6 pairs, often obscure.
• Cymes unbranched or branched, 1–7(–12)-flowered; peduncle 0.3–2.6(–5) cm long, glabrous; bracts linear to ovate or oblanceolate, 1–4 mm long, 0.4–1 mm wide. Pedicel 3–10 (–17) mm long, glabrous. Calyx 5-merous, divided from base to near base, tube to ca. 1 mm long; segments narrowly triangular to linear-lanceolate, 3–7 mm long, ca. 1 mm wide, glabrous, sometimes sparsely puberulous or with a few hairs at tip. Corolla white to light purple, with purple lines and sometimes yellow throat inside, 2.8–5.5 cm long; both sides glabrous, tube slender funnelform, 2.1–3.5 mm long, (0.7-)1.2–1.5 cm wide; lip 3–5 mm long; lower lip (7-)9–15 mm long. Stamens 10–17 mm long, glabrous; filaments 10–16 mm long; anthers oblate to widely ovoid, 1–4 mm long; connective appendage horn-like, ca. 0.5–1 mm long; staminodes (2) 3, linear to subulate, 0.6–5(–8) mm long. Disc ring-like to cup-shaped, 2.5 to 4 mm tall, entire or with obtuse teeth. Gynoecium glabrous; ovary 15–17 mm long; style 6–10 mm long.
• Capsule (1.7-)4.5–13 cm long, 0.1–0.3 cm wide. Seeds fusiform, rarely oblong, 0.6–1(–2) mm long, appendages hair-like, 0.7–2 mm long.

物候

Flowering June to December, fruiting August to January.

分布

• 台灣 : on rocks, cliffs and on trees in valleys at low and middle elevations.
• 世界 : Japan, China and northern Vietnam.

引證標本

TAIPEI: Sankyaku, Suzuki 5915. Tonroku, Suzuki 18975; Fenglin waterfall, Shie 1150. ILAN: Taipingshan, Chuang, Chao & Kao 4693; Nanhutashan, Suzuki s. n. 1922; Nanshan, Hsu 5765. TAOYUAN: Litungshan, Kao 10200. HSINCHU: Luchantashan, Fukuyama 3374; Wutsushan, Young 77. MIAOLI: Taiko, Sasaki s. n. 1908; Tapachienshan, Liou s. n. 1996. TAICHUNG: Pahsienshan, Chuang, Kou & Kao 2769; Anmashan, Liu & al. s. n. 1957; Mt. Nanhutashan, Su 3427; Lishan, Huang 10394A. NANTOU: Lienhwachih, Hibino & Suzuki s. n. 1936; Nengkaoshan, Matuda 1665; Chitou, Hsu et al. 11011; Fenghuangshan, Huang 16016; Tungpu, Jeng 2466; Luku, Yen 1577. CHIAYI: Fenchifu, Feung & Kao 4937; Alishan, Sasaki s. n. 1933. PINGTUNG: Aderu, Suzuki 11169; Kuwaruru, Matuda 1164. TAITUNG: Hsinkan, Yamamoto 1169; Chinshuiyin, Simizu 3663; Sekikoko, Yamamoto & Mori 8131; Chihpen, Hsu & Kao 3322. HUAUEN: Muhkwashan, Nakamura 4607; Fengshan, Liu, Chen & Kao 113; Chinshuishan, Nakamura 3636; Takimi, Suzuki 1532; Luanshan, Hsu 3533; Hoping, Ying 1352.

參考文獻

• LI, Zhen-Yu and KAO, Muh-Tsuen, Flora of Taiwan, second edition 4: 700. 1998.  (Fl. Taiwan 2nd edit.)