In a fit of Wikipedia scrounging (sponsored by ADHD, for all your random interest needs!), I was reading about mulberry trees and
"Some North American cities have banned the planting of mulberries because of the large amounts of pollen they produce, posing a potential health hazard for some pollen allergy sufferers.[10] Actually, only the male mulberry trees produce pollen; this lightweight pollen can be inhaled deeply into the lungs, sometimes triggering asthma.[11][12] Conversely, female mulberry trees produce all-female flowers, which draw pollen and dust from the air. Because of this pollen-absorbing feature, all-female mulberry trees have an OPALS allergy scale rating of just 1 (lowest level of allergy potential), and some consider it "allergy-free".[11]
Mulberry tree scion wood can easily be grafted onto other mulberry trees during the winter, when the tree is dormant. One common scenario is converting a problematic male mulberry tree to an allergy-free female tree, by grafting all-female mulberry tree scions to a male mulberry that has been pruned back to the trunk.[13] However, any new growth from below the graft(s) must be removed, as they would be from the original male mulberry tree.[14]"
Now all I can think of is Trans trees.
TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREESTRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREESTRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREESTRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREESTRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES TRANS TREES