Category: S
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Stemonozone
A tube formed by the fusion of petals and stamens (as in Mimosoideae of the Leguminosae/Fabaceae) but free from the calyx.
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Stem
The main axis of a plant, bearing roots, leaves and/or flowers. The main trunk of a tree or plant; any part of a plant (such as a branch or a petiole) that supports another part, such as a leaf or flower. The axis of a plant bearing leaves with buds in their axils. It may…
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Stellulate
Diminutive of stellate: small and starshaped.
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Stelliform
Star-shaped.
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Stellate
Star-shaped, with numerous arms radiating outwards (e.g. stellate hairs). Star-shaped, usually referring to hairs with radiating branches. Disposed in a star-like manner. Star-shaped, usually used for hairs that have numerous arms radiating from a central point. Starshaped; arranged with parts radiating from a center.
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Stelidium
(Of orchid flowers) the teeth of the column (in Bulbophyllum).
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Stele
(In anatomy) the part of a plant axis made up of the primary vascular system and its associated ground tissue. Part of the plant axis that is made up of the vascular system and associated tissue.
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Stapetalum
The length of corolla tube with fused or adnate stamens [unusual term].
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Standard
The large upper/posterior petal (outside in the bud) of a papilionaceous corolla. (Note that in a resupinate papilionaceous flower the standard is lowermost, functioning as a landing platform for pollinators). A recognized document defining requirements for the process or product to conform to. The upper petal of a papillionaceous corolla. The top petal in a…
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Staminophore
A band of tissue around the apex of the hypanthium on which the stamens are inserted (e.g. in Eucalyptus).