Category: B
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Buff
(Colour) dull yellow-brown.
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Bud-scales
The coverings of the bud.
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Bud
A meristem (either apical or lateral) in early development or resting stages, with its protective coverings; immature shoot, usually protected by scales or prophyll(s), or immature flower, protected by bracts, bracteoles and/or perianth segments. A small swelling or projection on a branch from which a shoot, cluster of leaves, or flower develops. A branch in…
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Bucciniform
Shaped like the end of a trumpet [unusual term].
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Brochidodromous
With loopveined venation; main veins emerging from the midrib at regular intervals, at the margin turning towards the apex and looping to join the next vein upwards.
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Bristly
Bearing stiff strong hairs or bristles.
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Bristle
A slender and stiff cylindrical emergence, about the size of a hair; Slender stiff continuation of midrib in inflorescence bract. A stiff, hair-like structure. A stiff hair, usually erect or curving away from its attachment point. An outgrowth from any plant organ (leaf, stem, fruit etc.) that is thicker and stiffer than a hair but…
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Brevisulcate
(In palynology) with the sulcus of the pollen grain very short.
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Breviaxe
(In palynology) with polar axis of pollen shorter than equatorial diameter.
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Breathing root
Specialised roots growing upwards from horizontal roots in mangrove or swamp plants, exposed at low tide; usually with lenticels allowing gas exchange.