生活型

herb

形態特徵

• Plants with stout fleshy rhizomes.
• Leaves chartaceous, elliptic-orbicular, 4-6 cm long, 3-3.5 cm wide, rounded at apex, nearly entire or margins irregularly sinuate, green above, purplish beneath; petioles slender.
• Flowers pale blue; sepals 4, elliptic-lanceolate, ca. 2.5 cm long, 0.8 cm wide, with purplish or blackish lines; petals 11-14, elliptic-lanceolate, ca. 2.5 cm long, 0.8 cm wide; stamens many, anthers pale yellow, linear; ovary 10-20-celled, stigmas 10-20.
• Fruit globose.
• This species is probably extirpated in Taiwan.

分布

• 台灣 : in ponds and lakes.
• 世界 : Africa, India through Indochina to China and Taiwan.

引證標本

HSINCHU: Yobai, Shimada s. n. 1924. CHIAYI: Sui-chue-tou, Sasaki s. n. 1917.

參考文獻

• YANG, YUEN-PO and LU, SHENG-YOU, Flora of Taiwan, second edition 2: 611. 1996.  (Fl. Taiwan 2nd edit.)