Why do chestnut trees stink

Some people love it, but roughly a quarter of the population likens it to the smell of manure or urine. Woody scents are warm, earthy and reassuring and in fact form the important base notes to many famous fragrances which are built on underlying notes of bark, moss and wood oils. Especially if you have indoor cats, there may be outdoor cats marking your home.

And, of course, the smell. When a Bradford pear flowers, it disperses an unpleasant odor. As with most forms of rot, wood rot produces a noticeable damp and musty smell. Last Updated: 11 days ago — Co-authors : 10 — Users : Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email.

Notify me of new posts by email. Home Answers About. Sign in. Forgot your password? Get help. Password recovery. Home English Why do chestnut trees smell like sperm? English General Lifestyle. Read the full answer That cummy smell comes from a flowering deciduous tree called Pyrus calleryana, better known in Australia as the ornamental pear, or the callery pear in the US.

Beside this, What plant or tree smells like cat pee? Also Read What guitar was used on Stairway to Heaven? Also Read Comment utiliser peau de banane?

Share this: Twitter Facebook. Why is Impossible Burger bad? To survive, sperm needs to be covered in alkali compounds. Spermine is one of these compounds. It has a pH level ranging from 7. This distinct smell that makes chestnut flowers and human semen smell so similar is caused by two chemicals called putrescine and cadaverine.

Putrescine and cadaverine are almost identical and they are used in creating spermine and spermidine which are also known to be very similar. It all starts when putrescine synthesizes with spermidine synthase to create spermidine. Spermidine synthesis with spermine synthase to create spermine. Both putrescine and cadaverine also play a part in the development of chestnut flowers which explains why chestnut flowers give off a similar smell to that of human semen. Scientists theorize that this smell that chestnut flowers give is used to attract insects such as bees to it.

But no conclusive evidence has been discovered yet. This is because Chestnut trees mainly rely on wind pollination. The tall height of the tree makes it susceptible to early summer breezes, swaying flower heads release pollen easily as the grains are carried away to the nearby chestnut cultivar. However, the white flower heads are clearly visible to passing insects. Bees in particular feast on the flower heads as pollen covers their bodies. If planted close enough together, the bees move between blossoms and both chestnut trees for successful pollination and future nut set.

For those who planning to go for a walk or a stroll, going to areas where chestnut trees are prevalent perhaps not a good idea. Besides of the stench of cement-like smell, you also might have to be careful of bees. By entering your email, you consent to receive communications from Penn State Extension.

View our privacy policy. Thank you for your submission! Home Trees in the Landscape: The Stinkers. Trees in the Landscape: The Stinkers. We place trees and shrubs in the landscape for a variety of reasons; fall color, flowers, shade, winter interest, and fruiting characteristics. And let's not forget the smell. Photo: Tom Butzler, Penn State Chinese chestnuts Castanea mollissima are often added to the edible landscape as the tree can produce copious amount of nuts in the fall both for humans or wildlife.

Photo: Michael Masiuk, Penn State Many landscapes are designed to have something of interest all season long so we have something pretty to look out.

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