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P
GLOSSARY
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| GENUS Group of closely related plants distinct enough not to interbreed. |
LANCEOLATE Lance shaped in outline; widest below the middle, about 3 times as long as wide. |
OVARY Female part of the flower immediately enclosing the ovule. |
| GERMINATION Development of seedling from fertilised seed. |
LATERAL SHOOTS Shallow roots running out from the stem. |
OVATE Widest below the middle, rounded towards each end. |
| GLABROUS Without hairs. |
LAYERING The development of a new individual from a branch or stem that has rooted into the ground. |
OVULE Structure which contains the egg and develops into a seed after fertilisation. |
| GLAND A small vesicle containing oil or other liquid. |
LEADING SHOOT Main shoot that develops from the terminal bud at the top of of a tree each year. |
PALMATE Leaf with more than 3 leaflets arising from the same point. |
| GLAUCOUS Waxy film giving a leaf or stem a bluish appearance, serving to to reduce water loss. |
LEAFLET Leaf-shaped subdivision of a compound leaf. |
PEDICEL Stalk of a flower. |
| GLOBOSE Globe-shaped body. |
LEGUME Dry fruit splitting along its length above and below to release its seeds. |
PELTATE Organ with the stalk attached near the centre of a surface. |
| GRAFTING Artificial union of aerial parts of one plant with the vigorous rootstock of another. |
LINEAR Narrow and more or less parallel-sided. |
PERIANTH Sepals and petals together. |
| HARDY Tolerant of adverse conditions of climate and soil. |
LOBE Rounded indentation on leaf margin. |
PETIOLE Stalk of a leaf. |
| HERMAPHRODITE Flowers possessing both functional male and female parts. |
MIDRIB Central or main vein of a leaf. |
PINNAITFID Leaf cut into lobes either side of a central intact region. |
| HYBRID Offspring of cross-fertilisation. |
MONOECIOUS Separate male and female flowers, both on the same plant. |
PITH Spongy tissue in the centre of most stems. |
| INCISED Deeply cut. |
NATIVE A species which is thought to have reached Britain since the Ice age without the aid of man. |
PENUNCLE Stalk of an inflorescence |
| INDEHISCENT Not releasing the seeds. |
NODE Point of a stem where a leaf or leaves arise. |
PINNATE Compound leaf with many leaflets arranged either side of a central stalk. |
| INDUMENTUM Hairy covering of any part of a plant. |
NUTLET Small nut, usually one of several in the same fruit. |
POLLARD Tree cut back repeatedly to 2-3m above the ground. |
| INDUPLICATE
Folded or rolled inwards or upwards. |
OB Prefix meaning inverted. |
POLLEN Fine yellow grain from male flowers that fertilise female ovule. |
| INFLORESCENCE Flower cluster including the stem bearing flowers and bracts. |
OBTUSE Blunt. |
PROCUMBENT Trailing, lying near to the ground. |
| INVOLURE Joined bracts usually surrounding the base of a short dense inflorescence. |
OPPOSITE In pairs at the same level on the stem. |
PYRAMIDICAL Crown which is widest at the base, gradually tapering above. |
| LANATE Densely covered with long, curly, intertwined hairs. |
ORBICULAR Rounded in outline. |
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