Definition of Umbellales
: a large order of chiefly herbaceous dicotyledonous plants that have umbels or corymbs of small uniovulate flowers with epigynous stamens and 1 to 5 carpels followed by fruits which are drupes or cremocarps and that include several economically important plants (as the carrot and parsnip) — see cornaceae, umbelliferae
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Origin and Etymology of umbellales
New Latin, from umbell- + -ales
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