Crossword clues for umbelliferae
The Collaborative International Dictionary
Umbelliferous \Um`bel*lif"er*ous\, a. [Umbel + -ferous: cf. F. ombillif[`e]re.] (Bot.)
Producing umbels.
Of or pertaining to a natural order ( Umbellifer[ae]) of plants, of which the parsley, carrot, parsnip, and fennel are well-known examples.
Umbelliferone \Um`bel*lif"er*one\, n. (Chem.) A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant ( Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbellifer[ae], as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin.
Usage examples of "umbelliferae".
But in regard to the differences both in the internal and external structure of the seeds, which are not always correlated with any differences in the flowers, it seems impossible that they can be in any way advantageous to the plant: yet in the Umbelliferae these differences are of such apparent importance--the seeds being in some cases, according to Tausch, orthospermous in the exterior flowers and coelospermous in the central flowers,--that the elder De Candolle founded his main divisions of the order on analogous differences.