生活型

herb

形態特徵

• Biennial herbs; stolons stout, short; stems solitary or tufted, glabrous, slightly fleshy ascending or erect, 10–40 cm tall, stout, terete, often with short branches above, covered with minute glandular hairs.
• Leaves slightly fleshy, sessile or subsessile, obovate or spatulate, 2–7 cm long, 1–2 cm wide, apex obtuse to acute, base attenuate, with black glands, margin entire.
• Racemes erect, terminal often compound-paniculate, many-flowered, 4–12 cm long; pedicel 5–25 mm long, about as long as leaf like bracts. Flowers white to pinkish, 10–12 mm across; calyx segments oblong, obtuse, minutely toothed at apex; corolla lobes narrowly obovate.
• Capsules brown, globose, 4–6 mm in diam., stigma persistent.

物候

Flowers: Mar-Jun.

分布

• 台灣 : rock crevices and beaches in coastal regions in the north and south and on Lutao and Lanyu islands.
• 世界 : India, Japan, Korea, the Ryukyus, the Pacific Islands and China.

引證標本

TAIPEI: Shihmen, Ho 255; Sanchih, Chaw 324. KEELUNG: Hopingdao, Peng 4380; Keelungyu, Peng 14152. ILAN: Tali, Yang 2738; Is. Kueishan, Hsu 7232. PENGHU: Huang & Kao 6880; Paisha, Leu 2079. PINGTUNG: Shialuochiu, Peng 12627, Oluanpi, Peng 12556. TAITUNG: Sanhsientai, Ho 255. Lanyu Is., Kao 1132; Lutao Is., Peng 7600.

參考文獻

• KAO, Muh-Tsuen and PENG, Ching -I, Flora of Taiwan, second edition 4: 70. 1989.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)