Podostemaceae
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Podostemaceae
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Scientific Name
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Description
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Family Description - Fls perfect, much reduced, with superior or naked ovary, the sep vestigial or wanting; pet none; stamens in 1–several cycles; ovary mostly bicarpellate and bilocular, with axile placentation and distinct or basally connate styles; fr a septicidal capsule with numerous tiny seeds; embryo straight, with 2 cotyledons; endosperm none; submerged or partly floating aquatics of fast rivers with a stony bed, producing aerial fls and frs at times of low water; plants vegetatively highly modified, commonly ± thalloid. 40/200+.
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Common Names
The river-weed family