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In message .com, Rob
Hamadi writes On Feb 25, 11:33 am, Stewart Robert Hinsley wrote: In message . com, Rob Hamadi writes I get you, as in (IIRC) cherries being Prunus whatever and apples being a type of rose and so forth. Not all Prunus are cherries - Prunus also includes almonds, plums, damsons, peaches, nectarines, apricots, bullaces, sloes, cherry laurels, etc. I don't think I suggested that. I may not be much of a botanist/ horticulturalist, but I recognise a false syllogism when I see one. Sorry. I wasn't sure what you meant, so I included the clarification anyway. Apples (like Cherries) belong to the rose family (Rosaceae), but the term rose is usually restricted to genus Rosa, which doesn't include apples (which are more closely related to rowans, whitebeams, pears, hawthorns, medlars, etc). That's when rose isn't being applied to some even more distantly related plant, such as desert rose, rock rose, sun rose, Confederate rose, stone rose, Rose of China, Rose of Sharon. So Rosaceae (the family) is distinct from Rosa (the genus)? I live and learn. Would I be correct in saying that Rosa is a subset of Rosaceae? -- Yes. The genus Rosa is part or all [1] of the tribe Roseae which is part of subfamily Rosoideae which is part of family Rosaceae. Rob [1] It seems to be a matter of taste among botanists as to whether to break off a few fragments of Rosa as separate genera or not. -- Stewart Robert Hinsley |
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