
doi: 10.1007/bf02985600
The morphology of the mid styled form ofEichhornia crassipes (Mart.) Solms., a species of the family Pontederiaceae is described. Pollen grains from the long anther tier are large and those of the short anther tier are small. Mid style is incompatible in nature. Selfings with the short and Jong anthers produce seeds. The seeds are inviable.
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