| **** R **** Rachis : axis of pinnate leaf. Rays : the stalk of an umbel. Reticular : marked with a network of veins. Recurved : bent backwards in a curve. Rhombic : See Fig. C5. Ridges : raised crest/elevation. Rugulose : wrinkled. |
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| Online Guide To Umbelliferae Of The British Isles' Compiled By J.M.Burton 2002 |