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{{SPlantbox
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|genus=Hydrilla
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|species=verticillata
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|Temp Metric=°F
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|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
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|image=Upload.png
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|image_width=240
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Hydrilla (water plant with whorled lvs.). Hydrocharitaceae. One aquatic plant of Cent. Eu., Asia and Austral., offered abroad as a water or aquarium subject. H. verticillata, Gasp. Forming large masses, leafy, submerged, dioecious: lvs. linear or oblong, serrulate or entire, 4—8in a whorl, very short ( ¼ - 1/3 in. long): sterile or male fls. solitary and short-pedicelled in a sessile spathe; sepals, petals and stamens 3: fertile or female fls. 1-2 and sessile in the spathe; sepals and petals 3; ovary extending beyond the spathe into a beak; stigmas 3: fls. very small; the male fls. detach and float.
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==Cultivation==
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===Propagation===
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===Pests and diseases===
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==Varieties==
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==Gallery==
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<gallery perrow=5>
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Image:Upload.png| photo 1
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Image:Upload.png| photo 2
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Image:Upload.png| photo 3
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</gallery>
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==References==
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<references/>
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->
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<!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 -->
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<!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 -->
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Hydrilla (water plant with whorled lvs.). Hydrocharitaceae. One aquatic plant of Cent. Eu., Asia and Austral., offered abroad as a water or aquarium subject. H. verticillata, Gasp. Forming large masses, leafy, submerged, dioecious: lvs. linear or oblong, serrulate or entire, 4—8in a whorl, very short ( ¼ - 1/3 in. long): sterile or male fls. solitary and short-pedicelled in a sessile spathe; sepals, petals and stamens 3: fertile or female fls. 1-2 and sessile in the spathe; sepals and petals 3; ovary extending beyond the spathe into a beak; stigmas 3: fls. very small; the male fls. detach and float.
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==External links==
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*{{wplink}}
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L. H. B.
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{{stub}}
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}}
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