Flowers floating or emersed, perianth spreading.

漂浮花或者挺水，花被平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花6，对生于花被片，着在裂片凹缺，小裂片凹缺，或副花冠裂片先端，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U物在先端或者在背腹边缘，通常多疣，被更窄宿存花被包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指花被和雄蕊群着生于雌蕊群之上花结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的花或者挺水，花被平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花6，对生于花被，附着在裂凹缺，小裂凹缺，或副花冠裂的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在或者在背腹边缘，通常多疣，被更窄的宿存花被包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指花被和雄蕊群着生于雌蕊群之上的花的结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的或者挺水，展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

6，对生片，附着在裂片凹缺，小裂片凹缺，或副冠裂片先端的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在先端或者在背腹边缘，通常多疣，更窄的宿存包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指和雄蕊群着生雌蕊群之上的的结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的或者挺水，平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

6，对生于片，附着在裂片凹缺，小裂片凹缺，或副冠裂片先端的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在先端或者在背腹边缘，通常多疣，更窄的宿存。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指和雄蕊群着生于雌蕊群之上的的结构类型。

Flowers floating or emersed, perianth spreading.

漂浮花或者挺水，花被平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花6，对生于花被片，附着裂片凹缺，小裂片凹缺，或副花冠裂片先端，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附先端或者背腹边缘，通常多疣，被更窄宿存花被包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指花被和雄蕊群着生于雌蕊群之花结构类型。

Flowers floating or emersed, perianth spreading.

漂浮花或者挺水，花被平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花6，对生于花被片，附着在裂片凹缺，小裂片凹缺，或副花冠裂片先端，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果，有脊或者U形附属物在先端或者在背腹边缘，通常多疣，被更窄宿存花被包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指花被和雄蕊群着生于雌蕊群之上花结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的花或者挺水，花被平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

花6，对生于花被，附着在缺，小缺，或副花冠先端的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在先端或者在背腹边缘，通常多疣，被更窄的宿存花被包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指花被和雄蕊群着生于雌蕊群之上的花的结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的或者挺水，平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

6，对生于片，附着在裂片凹缺，小裂片凹缺，或副冠裂片先端的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在先端或者在背腹边缘，通常多疣，更窄的宿包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指和雄蕊群着生于雌蕊群之上的的结构类型。

Flowers floating or emersed, perianth spreading.

漂浮的或者挺，平展。

Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse.

6，对生于，附着在裂凹缺，小裂凹缺，或副冠裂先端的，背着，内向。

Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.

瘦果直，有具脊或者U形附属物在先端或者在背腹边缘，通常多疣，更窄的宿存包围。

Epigyny The type of flower structure in which the perianth and androecium are inserted above the gynoecium, giving an inferior ovary, fused with the receptacle.

指和雄蕊群着生于雌蕊群之上的的结构类型。