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The pea family - leguminosae - has about 12000 species of plants growing mainly in the temperate regions. The most common species are herbs, but some of them are shrubs and trees, too.
| Leaves ( 1 ) : composite, seldom single, with very conspicuous stipules. (2) in many cases ending in tendrils or filaments (3). Sometimes leaves are reduced to spines. |
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| Flowers : | |
| In racemes. | |
| Calyx ( 4 ) : 5 joined sepals . | |
| Corolla : 5 petals. One at the top, called standard (5); two sided ones, called wings (6) and two joined ones below which form the keel (7) |
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| Stamens : 10 usually joined into a tube. | |
| Style: 1 | |
| Ovary : superior | |
| Fruit: Pod (8) dehiscent into two valves. |
GENERA
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They are about 450 genera. The most important ones are the following:
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