生活型

herb

形態特徵

• A woody herb, up to 40 cm tall; stems terete, covered with sticky glandular hairs.
• Leaves opposite, rarely one side of leaf reduced, petiolate, the petioles 1–5 cm long, 1–1.5 cm broad, acute at apex, membranaceous, strigose on both surfaces, the lateral veins of 4–5 pairs.
• Flowers axillary, solitary; calyx-tube tubular, 8-ridged, with 6 teeth, about 5 mm long, covered with sticky glandular hairs; corolla obovate, pink, clawed; stamens 11; ovary glabrous, ovate-elliptic.
• Capsules elliptic, about 4 mm long; seeds 5–6, broadly obovate, compressed, yellowish brown, about 0.8 mm long, winged.

分布

• 台灣 : widely scattered on the wet lowlands.
• 世界 : Tropical America, but naturalized in Taiwan and Okinawa

引證標本

TAIPEI: Pinglin, Chang 1190. ILAN: Lotung, Kuoh 1724. TAICHUNG: Kuantaochi, Huang 6185. NANTOU: Hoshe, Huang 4055. KAOHSIUNG: Shanping, Huang 4960, Liukuei, Hsu 5058. PINGTUNG: Nanjenshan, Huang 4868.

參考文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 873-876. .  (Fl. Taiwan 2nd edit.)