Family: Rosaceae
Rosa
Citation:
L., Sp. Pl. 491 (1753).
Synonymy: Not Applicable Common name: Roses.
Description:
Shrubs, often partially deciduous; stems, branches and often petioles with hooked prickles; leaves imparipinnate, leaflets serrate; stipules persistent and adherant to the petiole.
Flowers solitary or in a terminal corymb; sepals 5; petals 5; stamens and styles numerous.
Carpels numerous, enclosed in a fleshy berry-like hollow receptacle (called a "hip"), ovule 1.
Distribution:
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About 250 species of prickly shrubs and climbers, widely spread in the Northern Hemisphere in Europe, Asia and North America.
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Biology:
No text
Uses:
Several species and complex hybrids between them popular as garden plants, of which there are innumerable cultivars.
Key to Species:
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1. Leaflets glabrous or sparsely glandular below; pedicel more or less glabrous |
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R. canina 1. |
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1. Leaflets glandular below; pedicel densely glandular-bristly |
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R. rubiginosa 2. |
Author:
Not yet available
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