生活型

herb

形態特徵

• Decumbent or ascending annual herbs to 50 cm tall; stems subhexagonal, glabrous or nearly so.
• Leaves ovate or ovate-lanceolate, 3–7 cm long, 2–3 cm wide, apex acuminate or short-acuminate, base cuneate, margins entire or shallowly undulate, both surfaces glabrous or bearing few marginal hairs, lateral veins 5–7 per side; petioles 1–4 cm long, slightly pubescent.
• Flower-clusters axillary and terminal, sessile or short peduncled; bracts cuneate-elliptic or obovate, 8–14 mm long, 5–8 mm wide, outer surface sparingly sericeous, margins ciliate; bracteoles, glandular-pubescent on dorsal surface; corolla pink, ca. 1.2 cm long, pubescent without, limb bilabiate, lips ca. 5 mm long; stamens exserted, ca. 3 mm beyond mouth of corolla tube; filaments retrorsely pubescent; ovary glabrous.
• Capsule ovoid, ca. 6 mm long; seeds orbicular, verrucose.

分布

• 台灣 : widely distributed in the center and south.
• 世界 : Southern China.

引證標本

TAICHUNG: Chiapaotai, Hsieh 709. NANTOU: Meiyuan, Saito s. n. 1925. KAOHSIUNG: Shanping, Hsieh 921, Huang 4895. PINGTUNG: Manchou, Hsieh 742; Is. Hsiaoliuchiu, Hosokawa 1807. HUALIEN: Chuying, Sasaki s. n. 1929.

引用文獻

• HSIEH, Chang-Fu and HUANG, Tseng-Chieng, Flora of Taiwan, second edition 4: 654. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)