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6. Sagittaria tengtsungensis H. Li, Fl. Yunnan. 4: 767. 1986.
腾冲慈姑 teng chong ci gu
Plants stoloniferous. Aerial leaves linear-lanceolate, 7-10 cm × 7-12 mm, base attenuate, apex acuminate; submerged leaves linear or reduced to a phyllode, 4-5 cm × 2-4 mm. Inflorescences racemose, 7-12 cm, in 2-4 whorls of (2 or)3 flowers; bracts broadly ovate, usually connate at base. Flowers unisexual; female flowers not exceeding 2, restricted to lowest whorl, sessile or only with very short pedicel; male flowers with pedicel 2-3 cm. Sepals not reflexed, elliptic, 5-7.5 × 4-5 mm. Petals ca. 1 cm. Stamens numerous; anthers yellow. Achenes obovoid, ca. 2 mm, with smooth, entire wing and an adaxial beak. Fl. and fr. Jun-Sep. 2n = 22*.
Marshes; 1700-2100 m. Xizang, Yunnan [Bhutan, Nepal].
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