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BARE-ROOT -- Usually referring to decidious shrubs and
trees, and some other perennials, with all the soil removed from their roots
that are sold at nurseries.
BEARDED -- A petal bearing a tuft or row of long hairs.
BEDDING PLANT -- Plants suitable for massing in beds for
their colourful flowers or foliage. Usually annuals.
BICOLOUR -- A flower with petals which bear two distinctly
different colours.
BIENNIAL -- A plant which completes its life cycle in two
seasons. Compare annual and perennial.
BIGENERIC -- A hybrid produced by crossing two different
genera.
BIOLOGICAL PEST CONTROL -- Using living organisms such as
beneficial insects or parasites to destroy garden pests.
BLADE -- The expanded part of a leaf or petal.
BLEEDING -- The loss of sap from plant tissues which have
been cut.
BLIND -- The loss of the growing point, resulting in
stoppage of growth. Also, failure to produce flowers or fruit.
BLOOM -- A natural mealy or waxy coating covering the leaves
of some house plants.
BOLT -- Annual vegetables or flowers that grow quickly to
flowering stage at the expense of their best overall development.
BONSAI -- The art of dwarfing trees by careful root and stem
pruning coupled with root restriction.
BOSS -- A ring of prominent and decorative stamens.
BOTANICAL NAME -- The Latin scientific name of a plant is
its botanical name. There is only one botanical name per plant so if you want a
specific variety, use it's botanical name to be sure you're getting what you
want.
BOTTLE GARDEN -- A form of terrarium in which a large and
heavy glass container such as a carboy is used.
BOTTOM HEAT -- Undersurface heat provided in the soil by
electric cables or hot water pipes.
BRACT -- A modified leaf, often highly coloured and sometimes
mistaken for a petal. Examples of house plants with showy bracts are Poinsettia,
Aphelandra and Bougainvillea.
BREAK -- Production of a side shoot after removal of the
growing point.
BULB -- A storage organ, usually formed below ground level,
used for propagation. A true bulb consists of fleshy scales surrounding the
central bud, but the term is often loosely applied to corms, rhizomes and
tubers.
BULBIL -- An immature small bulb formed on the stem of a
plant; e.g Lily.
BULBLET -- An immature small bulb formed at the base of a
mature bulb; e.g Hyacinth.
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