更多hydrorhiza例句

1. The colonies are cylindrical tubes about one quarter of an inch in height, rising from a creeping stem (hydrorhiza).
2. In some cases, however, medusa-buds are formed on the hydrorhiza, as in Hydrocorallines.
3. The foot by which it is attached often sends out root-like processes—the hydrorhiza (c).
4. As a general rule polyp-buds are produced from the hydrorhiza and hydrocaulus, while medusa-buds are formed on the hydranth.