Mindblown: a blog about philosophy.
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Iridiform
(Of leaves) resembling an Iris, with a flat leaf whose two folded halves have fused so that the vascular bundles point both ways.
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Iridescent
Many-coloured, with rainbow sheen. With an oily or metallic gloss, referring to the rainbow colouring it may produce.
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Iridaceous
Shaped like an Iris leaf, i.e. long, narrow and acute.
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Involute
(Of leaf margins) rolled inwards and upwards towards their upper/adaxial surface. Mushroom cap with inrolled margin. Grown inwards from the edges.
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Involucre
A series of bracts (the phyllaries), usually close together and appressed, below or around a compact head of flowers (as in Compositae/Asteraceae). A whorl of bracts below an inflorescence (such as found on a sunflower). One or more whorls of minute leaves. A set of separate or fused bracts associated with a fruit, as in…
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Involucrate
With an involucre (a cluster of bracts).
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Involucral bract
(In Compositae/Asteraceae) one or more of the bracts surrounding the capitulum and forming the involucre.
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Involucellate
With an involucel.
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Involucel
A secondary involucre at the base of a single branch of a compound umbel. A small involucre.
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Invested in
Clothed in.
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