Assertion: torus | /r/HasProperty | botany
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Source sentences:
text: In context|botany|lang=en terms the difference between annulus and torus is that annulus is (botany) structure in a fern that consists of differentially thick-walled cells on a sporangium that bend and distort as a result of drying while torus is (botany) the end of the peduncle or flower stalk to which the floral parts (or in the asteraceae, the florets of a flower head) are attached; see receptacle.