Cyclicity
provided by Plants of Tibet
Flowering from May to October.
Diagnostic Description
provided by Plants of Tibet
Ottelia acuminata var. acuminata is close relative of Ottelia acuminate var. crispa, but differs from the latter in its fruit triangular-conical (vs. slightly curved, fusiform), leaves not ligulate (vs. ligulate).
Distribution
provided by Plants of Tibet
Ottelia acuminata is occurring in Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan of China.
General Description
provided by Plants of Tibet
Leaves wholly submerged; petioles varying greatly in length according to depth of water; leaf blades linear to broadly cordate, base usually cordate, margin entire or minutely serrulate, apex obtuse. Flowers unisexual. Spathe with 2-6 longitudinal ribs. Male spathe with 40-50 male flowers. Sepals green. Petals white with yellow base, obcordate or obovate, 1-3.5 cm; stamens 9-12; filaments hairy; anthers ovoid-elliptic; staminodes 3. Female spathe with 2 or 3 female flowers; perianth similar to male ones; ovary triangular-cylindric with 3 carpels; styles 3, deeply bifid; staminodes 3. Fruit triangular-conical, ca. 8 cm. Seeds narowly elliptical, without hairs.
Genetics
provided by Plants of Tibet
The chromosomal number of Ottelia acuminata is 2n = 22 (Wang, 1986).
Habitat
provided by Plants of Tibet
Growing in lakes, ponds, channels, paddy fields.
Uses
provided by Plants of Tibet
Ottelia acuminata is used as a food.
Ottelia acuminata
provided by wikipedia EN
Ottelia acuminata, is a plant species endemic to Southern China.[1][2]
Description
The whole plant is underwater, except for the showy three-petaled flowers with lobes.
- Varieties[1]
-
Ottelia acuminata var. acuminata - Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan.
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Ottelia acuminata var. crispa (Hand.-Mazz.) H. Li - Yunnan (Lugu Hu).
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Ottelia acuminata var. jingxiensis H. Q. Wang & S. C. Sun - Guangxi (Jingxi).
-
Ottelia acuminata var. lunanensis H. Li - Yunnan (Lugu Hu).
References
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^ a b Wang, Q.F., Guo, Y.H., Haynes, R.R., Hellquist, C.B., 2010. Hydrocharitaceae. In: Wu, Z.Y., Peter, H.R. (Eds.) Flora of China. Volume 23. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 91–102.
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^ Cook, C.D.K., Urmi-Konig, K., 1984. A revision of the genus Ottelia (Hydrocharitaceae). 2. The species of Eurasia, Australasia and America. Aquat. Bot. 20, 131–177.
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- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
Ottelia acuminata: Brief Summary
provided by wikipedia EN
Ottelia acuminata, is a plant species endemic to Southern China.
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors
