Assertion: willow's catkin | /r/CapableOf | mature in midsummer
Facets:
Source sentences:
text: When mature in midsummer, the female catkins comprise numerous small (4 mm) capsules, each containing numerous minute seeds surrounded in white down, which aids wind dispersal.
text: When mature in midsummer, the female catkins comprise numerous small (4 mm) capsules, each containing numerous minute seeds embedded in white down, which aids wind dispersal.