Assertion: bull kelp | /r/HasProperty | annual plant
Facets:
Source sentences:
text: Bull kelp, on the other hand, is an annual plant and has only one pneumatocyst holding up its many blades.
text: Giant kelp is a perennial (i.e. it lives for several years) while bull kelp is an annual (i.e. it completes its life cycle in one year).
text: Bull Kelp (Nereocystis luetkeana) is an annual alga found off the Pacific coast of North America and Asia.
text: Bull kelp is an annual plant, growing anew from a microscopic beginning each spring, and being washed away by storms in the autumn.