Glossary beginning with B

Plant Glossary

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B

Barb: Backward pointing rigid hair, bristle or prickle.
Basal: Originating from the bottom layer or base.
Beak: A narrow projection like the beak of a bird.
Berry: Fleshy fruit with one to many seeds. The seeds do not have a hard stony layer surrounding them e.g. Tomato.
Bi-pinnate: Two pinnate
Biennial: A plant that takes two years to complete its life cycle. It doesn't flower in the first year.
Bifid: Divided at the tip into two. Usually deeply.
Bifurcate: divided into two branches
Bilobed: having two lobes.
Bipinnate: Two pinnate
Bipinnatisect: Twice, 2-pinnatisect. (Pinnatisect: Having lobes with incisions that extend almost, or up to midrib).
Blunt: rounded tip.
Bract: An organ that is scale-like but sometimes resembles a leaf. It is found where the pedicel (Flower stalk) joins the stem.
Bracteole: This is a bract found on the secondary branches of an inflorescence.
Branchlets: A small branch.
Bristles: Short stiff hairs.
Bristly: Having bristles
Bulbils: A small bulb or tuber, usually axillary (e.g. in the axil of a leaf), that is able to develop into a new plant.
Bulbous: Bulb-like
Bullate: The surface of an organ raised with "dome-shaped" swellings
Bush: A woody plant that is generally bigger than a shrub and smaller than a tree.
Buttress: Supporting structure at the base of a tree.