Category: A
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Armed
With sharp defensive structures.
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Armcells
(In grass leaves) chlorenchyma cells with cell wall invaginations.
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Armature
General term for the presence of spines, prickles etc. In biology, a structure that serves to protect or is used to attack a predator (e.g., a stinger). The rotating component within a generator or motor, positioned amidst the field poles, is responsible for carrying windings where the electromotive force acts to drive the machine’s operation.…
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Aristulate
Bearing a small, sharp bristle.
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Aristate
With a long, bristle-like point. An abrupt hard bristle-like point.
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Arista
A long, bristle-like, pointed axis.
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Arillode
(Of seed appendages) false aril, a structure that, like the aril, (wholly or partly) envelops the seed, but unlike the aril does not derive from the placenta or funicle.
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Arillate
With an aril.
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Arillar collar
Fleshy organ around the hilum, an outgrowth of the seedcoat (Annonaceae).
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Aril
An appendage partially or completely enveloping the seed, sometimes resembling a third integument, and arising from the hilum, funicle or any other part of the seed coat; this term is sometimes used for any fleshy cup-like structure containing a seed. A specialized, usually fleshy outgrowth that is attached to the mature seed; more loosely, any…