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FOC | Family List | FOC Vol. 23 | Hydrocharitaceae | Egeria

1. Egeria densa Planchon, Ann. Sci. Nat., Bot., sér. 3. 11: 80. 1849.

水蕴草 shui yun cao

Anacharis densa (Planchon) Victorin; Elodea densa (Planchon) Caspary; Philotria densa (Planchon) Small.

Stems 1-3 mm diam. Leaves whorled, recurved, 10-40 × 1.5-4.5 mm, margin minutely serrate. Male spathes 2-4-flowered, 7.5-12 mm; pedicel to 8 cm. 2n = 46.

Known from a cultivated fish pond. Guangdong [native to South America].

This species is known to spread and become invasive in mild climates.


 

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