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Superposed
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One structure placed over another. |
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Supervolute
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Referring to a type of leaf vernation in which the blade margins are unequally inrolled adaxially such that one of the margins overlaps the other. Compare with involute. |
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Supra adjacent secondary vein
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Referring to the relationship of two secondary veins, in this case referring to a secondary vein that is above another (i.e., in a apical or distal position in relationship to the other). |
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Supracalycine zone
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The area between the calycine ring and the line of opercular dehiscence in a dehiscent-fruited Lecythidaceae. |
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Supracalycine zone erect
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The supracalycine zone goes straight up from the calycine ring to the opercular rim. |
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Supracalycine zone tapered
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The supracalycine zone of the fruit tapers to the opercular rim. |
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Suprafoliar
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Referring to a structure that arises above the leaves |
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Suprafoliar inflorescence
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Referring to an inflorescences that arises from above the leaves. |
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Suprafoliar inflorescence
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Referring to an inflorescences that arises from above the leaves. |
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Suprafolilar
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Referring to a structure that occurs above the leaves |
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Supraxillary
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Arising from above the axial. |
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Suture
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A line of fusion (e.g., the valves of the carpels of an ovary) or a line of dehiscence (e.g., the lines along which anthers or fruits open). |
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Syconium (plural = syconia)
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A hollow, fruitlike receptacle lined by tiny achenes, the characteristic inflorescence of figs (Ficus spp., Moraceae). Also called figs. |
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Symbiosis (symbiotic)
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Referring to two organisms that live together in what can be beneficial to both organisms (mutualism) or beneficial to one and harmful to the other (e.g., parasitism). |
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Symbiotic
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Referring to two different organisms living together in close association and benefiting from that association; e.g., mycorhizzal associations between fungi and plants are symbiotic as well as are ants living in the domatia of Tococa guianensis. |
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Symmetric
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Referring to a structure that can be divided into mirror-image halves. This and its associated terms are usually, but not exclusively, applied to flowers. Opposite of asymmetric; compare with actinomorphic and zygomorphic. |
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Symmetric flower
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Same as actinomorphic flower. |
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Sympatric
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Referring to species that have overlapping geographic ranges. |
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Sympetalous corolla
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Having petals united for at least part of their length. Same as gamopetalous; opposite of polypetalous and choripetalous. |
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Sympodial growth
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Referring to a branching pattern in which the terminal bud ceases to grow and growth is continued from a lateral bud; e.g., in most arborescent Combretaceae and some orchids. Sympodial growth often gives a zig-zag appearence to the stem or branches. |
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Synandrium (plural = synandria)
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The structure resulting from the cohesion of the anthers of separate male flowers in some Araceae; an androecium with united filaments; e.g., Campanulaceae. |
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Synandroidium (plural = synandroidia)
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A structure formed by the coherence of staminodes of separate flowers in some Araceae. |
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Synandry (synandrous)
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Having united anthers. |
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Synapomorphic
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Referring to a derived feature shared by two or more taxa which is evidence of common ancestry. |
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Syncarp
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A type of multiple fruit resulting from the fusion of numerous ovaries. |
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