生活型

shrub

形態特徵

• Small shrubs, 30–60 cm tall. Stems unbranched, with dense pale brown woolly felted hairs.
• Leaves opposite; petiole 1–5 cm long; blade oblong-lanceolate or oblanceolate, 4–14 cm long, 2–4 cm wide, thick papery, adaxially sparsely covered with gray woolly hairs, becoming glabrous, abaxially with dense pale brown woolly hairs, base rounded or cuneate, margins entire or serrate, apex acuminate or acute; lateral veins 7–11 pairs, distinctly raised on lower side.
• Cymes axillary or pseudoterminal, forming panicles; many flowered; bracts 2, ovate. Pedicel 5–7 mm long, sparsely pale brown woolly. Calyx 2–2.5 mm long, 5-parted, segments linear-oblong, ca. 1.2 mm long, apex obtuse, pilose outside. Corolla white, 4–6 mm long, glabrous, tube ca. 3 mm long, limb slightly bilabiate, upper lip ca. 1.5 mm long, lower lip ca. 2.3 mm long. Stamens 2, adnate near corolla base, included, glabrous, filaments ca. 2 mm long, anthers ca. 2 mm long; staminodes 2, 1.5 mm long. Gynoecium glabrous, ovary 2.5 mm long, style ca. 3 mm long, stigma capitate.
• Capsule linear, 2–3 cm long, ca. 1.2 mm wide, spirally twisted. Seeds many, narrowly fusiform, 0.8–0.9 mm long.

物候

Flowering June to September, fruiting August to October.

分布

• 台灣 : on rocks in forests at low and middle elevations.
• 世界 : Thailand, Vietnam, southern China (Guangxi, Guizhou) and the Philippines.

引證標本

TAIPEI: Wulai, Sasaki s. n. 1915. ILAN: Taipingshan, Sasaki s. n. 1939. TAOYUAN: Chiaopanshan, Suzuki 4556; Paleng, Lu 12751. HSINCHU: Chutung, Fukuyama 31; Chinping, Liao & Kuo 1575. MIAOLI: Cholan, Tang 566; Chunghsing, Liao & Kuo 1636. TAICHUNG: Pahsienshan, Chuang & Kao 2784; Kukuan, Huang 3175. NANTOU: Lienhuachih, Sasaki s. n. 1929; Wushe, Masamune 2096; Kuanyin waterfall, Wu, Leu & Chiu s. n. 1970. CHIAYI: Kwangtzulin, Morimoto 509; Taipingshan, Sasaki s. n. 1932; Neipu to Chishinliao, Yen 134; Sukou, Yen 1537. KAOHSIUNG: Sanping, Hsieh 1395; Liukuei, Yang 315; Tengchih, Chuang & Huang 13882. PINGTUNG: Wutai to Santiman, Hosokawa 5469; Wutai, Suzuki 11289; Laiyi, Huang et al. 16084; Lilungshan, Ying s. n. 1992. TAITUNG: Chinshuei, Yamamoto & Mori 8; Shoucha to Hsinwha, Liu & Kao 2782; Tamali, Keng 1382; Wutai, Suzuki 11289. HUALIEN: Tailuko, Hosokawa 5032; Chuilu, Suzuki 10527.

參考文獻

• LI, Zhen-Yu and KAO, Muh-Tsuen, Flora of Taiwan, second edition 4: 702. 1998.  (Fl. Taiwan 2nd edit.)