Word Study
umbellularia
CIDE DICTIONARY
umbellularia, prop. n. [NL. See Umbellule.].
A genus of deep-sea alcyonaria consisting of a cluster of large flowerlike polyps situated at the summit of a long, slender stem which stands upright in the mud, supported by a bulbous base. [1913 Webster]
For further exploring for "umbellularia" in Webster Dictionary Online