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Bromeliaceae A. L. Jussieu
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habit
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herbaceous plants
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important diagnostics
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spiny stems or leaves
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hairs
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stellate, peltate or scale-like
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distribution
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African, North American, South American
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leaf: position
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alternate, distichous
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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., invisible or leaves 1-nerved, longitudinal 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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absent
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inflorescence
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solitary, raceme, spike, head, compound, sympodial or monopodial
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flower: sexuality
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bisexual, unisexual
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flower: symmetry
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actinomorphic, zygomorphic or irregular
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flower: receptacle
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small, enlarged, completely united with the ovary, totally or partially covering it, enlarged, totally or partially free from the ovary
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flower: disc
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absent
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flower: perianth number
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6
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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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0, 3
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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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3, 6
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flower: petal position
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all free from one another, petals connate, petals imbricate
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flower: petal nature
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petals contorted
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flower: corona
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present, or scales in the throat
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stamen: number
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6
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stamen: anthers
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dorsifixed or ventrifixed, basifixed, introrse, opening by longitudinal slits
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stamen: filaments
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free from the corolla, inserted on the corolla, not connate
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stamen: other characters
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anthers with a conspicuous appendage
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pistil: style
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style 1, or styles more or less connate
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pistil: carpel
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3
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pistil: ovary
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3-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, ovules attached to the apex of the ovary, ovules attached to the base of the ovary
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fruit: type
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a capsule, fleshy
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fruit: seed
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3+ seeds
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seed: embryo
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straight
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seed: endosperm
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seeds with endosperm
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