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Word: |
Definition: |
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Anther:
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The pollen bearing part of the male
organs or stamens of a flower |
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Axil: |
The angle between a leaf and a stem where another bud develops |
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Basal Breaks: |
New growth developing from the graft or union of a grafted
plant |
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Bicolor: |
Having 2 distinct colours |
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Bract: |
A leaf-like structure usually on a flower stalk |
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Bud:
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A condensed shoot containing an embryonic leaf cluster or flower |
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Budding: |
A form of grafting where the bud of a chosen
plant is inserted into the stem of a stock plant
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Calyx: |
The leaf-like outer protective part of a flower |
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Cambium Layer: |
The growth cells between the bark and the woody part of the
stem |
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Cluster Flowered:
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Part of the classification of hybrid roses introduced by
the International Federation of Rose Societies, displacing the term
floribunda. The flowers are produced in multi-stemmed trusses or clusters
of many stems. |
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Corolla:
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The collective name for the petals and sepals together |
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Cultivar:
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A cultivated plant distinguished by one or more characteristics
and which retains these characteristics when propagated |
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Deadheading:
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Removal of spent flowers or flower heads to encourage,
improve or hasten subsequent bloom production |
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Disbudding:
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Removal of surplus flower buds to improve quality of remaining
flowers |
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Ever blooming:
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Persistent flower production over the
flowering season |
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Family:
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A grouping together of related genera |
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Genus:
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A group of related species |
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Glaucous:
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Bluish-grey, or bluish green colour |
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Globose:
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Spherical |
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Graft:
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union the point at which the scion and rootstock are joined |
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Grafting:
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Method of propagation where an artificial union is made between
a shoot or a bud of one plant onto a rootstock so they eventually function
as one plant |
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Habit:
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The characteristic growth or general appearance of a plant |
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Heeling in:
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Temporary planting pending permanent placement |
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Hybrid:
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The offspring produced by crossing two genetically different
parents with one another |
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Hybridization:
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The process of crossing 2 plants in order to create a new
plant |
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Incurved:
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Petals that curve inward to form a compact rounded shape |
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Inflorescence:
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Group of flowers forming a cluster on one stem |
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Large Flowered:
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A term introduced as part of the reclassification of
hybrid roses. Plants of this type all have shapely buds opening into large
or medium sized flowers each placed individually on long stalks |
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Lateral:
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A side branch growing from a main stem or cane |
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Leaflet:
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A subdivision of a compound leaf |
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Node:
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The point on a stem where a leaf or a bud can be found |
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Non-recurrent:
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Once-blooming in a flowering season |
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Panicle:
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Branched inflorescence |
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Pedicel:
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The stalk of a flower |
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Peduncle:
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The stalk of a flower |
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Pergola:
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A series of arches forming a structure, usually covering a
walkway |
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Petiole:
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The stalk of a leaf |
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Pistil:
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The female part of a flower |
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Pollination:
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The transfer of pollen from the anthers to
the stigma off either the same or another flower |
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Procumbent:
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Naturally growing along the ground |
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Propagation:
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Any method employed to produce plants, e.g.
seed, cutting |
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Receptacle: |
The part of the flower that holds the seeds and later becomes
the hip |
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Recurrent:
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Flowers produced in succession through a flowering season |
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Reflexed:
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With petals which curl back as flower open |
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Remontant:
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Of continuous or repeat-flowering habit |
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Scion:
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The part of a plant which is grafted on to another |
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Sepal: |
The green individual leaf-like part of the calyx |
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Soft growth: |
Stems that have not been hardened or matured by exposure to
cool or dry conditions and that are likely to be killed by frost |
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Species:
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The rank below genus, containing related individual plants |
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Spit:
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In horticulture one spade's depth, normally about 30cm or 1 foot |
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Sport: |
A chance mutation resulting from genetic changes in the stem. It
can cause variations in growth habit or flower colour. A sport can also
revert t back to the original variety or cultivar |
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Spray: |
A group of flowers on a single branching stem |
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Stamens: |
The male part of the flower |
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Stigma: |
The female part of the flower which received the pollen on
fertilization |
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Stock:
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A plant onto which another is grafted |
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Stratification:
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Exposing seed to cold temperatures by
placing them between layers (strata) of sand or other material |
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Style:
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The part of the flower on which the stigma
is carried |
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Sucker:
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A shoot that develops from the root of the
stock or grafted plant |
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Trellis: |
A frame or lattice of bars forming a
structure used to support climbing plants |
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Truss:
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A group or cluster of flowers forming one
head |
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Umbel: |
A flat topped inflorescence |
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Underplanting: |
Low-growing plants planted beneath taller
plants |
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Variety: |
Botanically a naturally occurring variant of
a wild species |
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Vegative propagation: |
A method off reproducing plants other than
by seed, e.g. by cuttings or layering |
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Vernalization:
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The process of producing chemical changes
within a seed (normally by winter cold), which permits its
germination and without which the seed remains dormant and will not
grow. |
