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Wolffia fronds

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green vegetative bud forming on orange parent plant

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green vegetative bud fully grown on orange parent plant

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green vegetative bud forming on orange parent plant

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green vegetative bud forming on orange parent plant

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Younger green and older orange vegetative buds

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Younger green and older orange vegetative buds

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Younger green and older orange vegetative buds

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green bud forming on green parent plant

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Green bud (left) about to be released from green parent (right)
Floral pit is forming on dorsal surface of parent plant.

Wolffia sp., Liz Pelonzi Pool, Lee, NH USA
Plant appears dark when back-lit on microscope

Wolffia arrhiza (smaller leaves) and Lemna minor (larger leaves)
Photo by M. Hassler posted at botanik.uni-karlsruhe.de

Photo by S.I. Winterton, posted at keys.lucidcentral.org
W. brasiliensis (blue arrow) and W. columbiana (white arrow)

Wolffia bloom
Modified from photo by S.I. Winterton

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