生活型

tree-shrub

形態特徵

• Shrubs or trees; branchlets gray tomentose, tetragonal.
• Leaves mostly 5-foliolate, occasionally 3- or 7-foliolate, petiole 2–4.5 cm long; leaflets elliptic-ovate, lanceolate, or narrowly lanceolate, 3–11 cm long, 0.5–3 cm wide, apex attenuate, long caudate or acuminate, base cuneate, acute or obtuse, margin entire or irregularly dentate apically, upper surface green, densely pubescent, lower surface gray, very densely pubescent, central leaflet largest, petiolules 5–11 mm long, densely pubescent.
• Inflorescence a terminal thyrse, 12–20 cm long, densely gray pubescent. Flowers light purplish blue; calyx campanulate, ca. 3 mm long, teeth 5, triangular, gray pubescent outside, slightly ridged; corolla 5–6 mm long, 5-lobed, one lobe twice as long as others, short pubescent outside, villous inside; stamens exserted, ca. 2.5 mm long, slightly villous on lower part; ovary glabrous.
• Fruit obconic.

分布

• 台灣 : common at low elevations throughout the island.
• 世界 : E. Africa, S. and SE. Asia, Pacific islands, China and Japan.

引證標本

TAIPEI: Kuanyingshan, C. Tseng s. n. in 1957. TAOYUAN: Tayuan, T. T. Chen 7763. HSINCHU: Shipachienshan, C. M. Kuo 5749. MIAOLI: Miaoli, Chuang & Chuang 2589; Cholan, W. S. Tang 558. TAICHUNG: Chingsui, T. Y. Yang 911; Fantsuliao, C. C. Hsu 4682. NANTOU: Lienhuachih, Keng et al. s. n. in 1955; Hueisun Experimental Fores. Stat., Wu et al. s. n. in 1970. TAICHUNG: Tachiashi, T. T. Chen 7624; Tatushi, T. T. Chen 7622. CHANGHUA: Pakuashan, S. F. Huang 4609. YUNLIN: Shihu, T. T. Chen 7620. TAINAN: Lungchih, T. T. Chen 7959. KAOHSIUNG: Liukuei, T. Y. Yang 322. PINGTUNG: Haochia, T. T. Chen 7325; Chaochou, T. T. Chen 7320. TAITUNG: Chihang Airport, T. T. Chen 7356. HUALIEN: Yuli, T. T. Chen 7790.

參考文獻

• YANG Yuen-Po , LU Sheng-You and CHEN Tien-Tsai, Flora of Taiwan, second edition 4: 426. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)