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Elatinaceae Dumortier
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habit
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woody plants, herbaceous plants
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hairs
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glandular
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distribution
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African, Asian, Australian and Oceanian, European, North American, South American
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leaf: position
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opposite or verticillate
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leaf: nature
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not compound
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leaf: venation
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pinnate or hardly visible in leaves or leaflets.
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margin
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with entire margin, dentate
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leaf: stipules
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present
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inflorescence
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solitary, simple, sympodial
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flower: sexuality
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bisexual
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flower: symmetry
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actinomorphic
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flower: receptacle
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small
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flower: disc
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absent
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flower: perianth number
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4, 6, 7+
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flower: perianth nature
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perianth of calyx and corolla
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flower: sepal number
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2, 3, 4, 5
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flower: sepal position
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all free from one another, connate
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flower: sepal nature
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sepals imbricate or contorted
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flower: petal number
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2, 3, 4, 5
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flower: petal position
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all free from one another, petals imbricate
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stamen: number
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2, 3, 6, 8, 10
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stamen: anthers
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dorsifixed or ventrifixed, introrse, opening by longitudinal slits
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stamen: filaments
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free from the corolla, not connate
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pistil: style
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styles more than 1, free
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pistil: carpel
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2, 3, 4, 5
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pistil: ovary
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2-locular, 3-locular, 4-locular, 5-locular
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pistil: ovule
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3+ in each loculus
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pistil
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ovules axile, carpels connate, ovules attached to the central axis or ventrally in apocarpae
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fruit: type
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a capsule
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fruit: seed
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3+ seeds
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seed: embryo
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straight, curved
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seed: endosperm
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seeds without endosperm
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Treatments in Other Floras @ www.efloras.org
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