hydrorhiza
[ hahy-druh-rahy-zuh ]
/ ˌhaɪ drəˈraɪ zə /
noun, plural hy·dro·rhi·zae [hahy-druh-rahy-zee] /ˌhaɪ drəˈraɪ zi/.
the rootlike base of a hydroid colony, by which it is attached to the substratum.
OTHER WORDS FROM hydrorhiza
hy·dro·rhi·zal, adjectiveWords nearby hydrorhiza
Example sentences from the Web for hydrorhiza
The colonies are cylindrical tubes about one quarter of an inch in height, rising from a creeping stem (hydrorhiza).
The Sea-beach at Ebb-tide |Augusta Foote ArnoldAs a general rule polyp-buds are produced from the hydrorhiza and hydrocaulus, while medusa-buds are formed on the hydranth.
The foot by which it is attached often sends out root-like processes—the hydrorhiza (c).
In some cases, however, medusa-buds are formed on the hydrorhiza, as in Hydrocorallines.