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FOC | Family List | FOC Vol. 23 | Alismataceae | Sagittaria

5. Sagittaria potamogetonifolia Merrill, Sunyatsenia. 1: 189. 1934.

小慈姑 xiao ci gu

Stolons usually lacking. Aerial leaves elliptic to ovate or sagittate, 3.5-11 cm, apex acuminate, lateral lobes 2-6 cm × 1.5-6 mm, middle lobe 1.5-5 × 2-10 mm, with 1 or 3 bulbs in each sheath; submerged leaves lanceolate, 2-9 cm × 2-4 mm. Inflorescences racemose, in 2 to many whorls of (2 or)3 flowers; bracts free. Flowers unisexual; female flowers 1 or 2(or 3), on lowest whorl, pedicels 2-7 mm; male flowers with pedicels 1.2-4 cm. Sepals reflexed, ovate, 3-4.5 × 2.5-3 mm. Petals broadly obovate, 4-10 × 6-6.5 mm. Stamens 9-21; anthers yellow. Achenes obovoid, 5-7 × 4.5-6 mm, with an abaxial undulate or smooth wing, and an adaxial beak. Fl. and fr. May-Sep. 2n = 22*.

● Paddy fields, marshes, and channels. Anhui, Fujian, Guangdong, Guangxi, Hainan, Hubei, Hunan, Jiangxi, Yunnan, Zhejiang.


 

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