[MAIPC] mystery invasive in central NJ

[Stephen Hiltner]

The photos of P. serratifolia don't look similar to this tree. The link
Margaret sent looks pretty close, but that one, too, lacks an
identification.

On Thu, May 19, 2022 at 4:07 PM MARGARET CHATHAM <
margaret.chatham at verizon.net> wrote:

> Please check out this iNaturalist observation
> https://www.inaturalist.org/observations/113623546 —and there are a
> handful of others from Fairfax County on iNaturalist — identified as
> Photinia villosa or Pourthiaea villosa.
>
> On May 19, 2022, at 3:32 PM, Rod Simmons <Rod.Simmons at alexandriava.gov>
> wrote:
>
> It is Photinia serratifolia that is a rare escape in Virginia:
> http://vaplantatlas.org/index.php?do=plant&plant=3890
>
> *From:* MAIPC <maipc-bounces at lists.maipc.org> *On Behalf Of *Patrick D.
> Kelly
> *Sent:* Thursday, May 19, 2022 12:06 PM
> *To:* MAIPC Listserve <maipc at lists.maipc.org>; INVASIVES at LISTSERV.UMD.EDU;
> Stephen Hiltner <stevehiltner at gmail.com>
> *Subject:* Re: [MAIPC] mystery invasive in central NJ
>
>
> Just to be clear and a cautionary head-off of any knee-jerk reactions by
> the public, you are NOT referring to the popular landscape plant Red Tip
> Photinia or Photinia x fraseri .
>
> Yes, Dirr mentions in his tome Manual of Woody landscape Plants pg 809
> observing this plant P. villossa Oriental Photinia escaping from a noted
> arboretum "with seedlings established along the road".
>
> But no...cultivar Red Tip Photinia, the popular landscape plant, has not
> been noted for invasiveness. In fact, I'm surprised any of them survive at
> all due to rampant leaf spot disease.
>
>
> Patrick D. Kelly, Principal and Horticulturist
>
> PDK Horticultural, LLC Phragmites and Invasive Plant Control Services
>
> 301 Hope Road
>
> Centreville, Md 21617
>
> 443-262-2079 mobile
>
> https://
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpdkhorticultural.com%2F&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813528421%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BG7SQjLaDUYDvf4OA4T3uaPnc3Rpg53vB%2FT6IwRta9I%3D&reserved=0>
> PDKH
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpdkhorticultural.com%2F&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813528421%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BG7SQjLaDUYDvf4OA4T3uaPnc3Rpg53vB%2FT6IwRta9I%3D&reserved=0>
> orticultural.com
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpdkhorticultural.com%2F&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813528421%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BG7SQjLaDUYDvf4OA4T3uaPnc3Rpg53vB%2FT6IwRta9I%3D&reserved=0>
>
> https://www.facebook.com/PDKHorticulturalLLC
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.facebook.com%2FPDKHorticulturalLLC&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813528421%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=992WcRkbugiuZPaSL953Ga2rYmFZ%2BfzzFViXuYHPlzA%3D&reserved=0>
>
>
>
>
>
>
> On Thursday, May 19, 2022, 08:51:08 AM EDT, Stephen Hiltner <
> stevehiltner at gmail.com> wrote:
>
>
> Many on these listserves can be grateful that you haven't encountered
> Photinia villosa. I believe it is an escape from a nursery in Princeton,
> NJ, and is now spreading across the state. A few years back, I discovered
> another invasive small tree that may be in the same genus, which was
> changed from Photinia to Pourthiaea. Here are a couple photos of the
> foliage, comparing the two: https://photos.app.goo.gl/gptnqGTfHnVXZuNz9
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fphotos.app.goo.gl%2FgptnqGTfHnVXZuNz9&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813684646%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3VPQzeCdd1v3AXHZvIsH7HdvOxRWEtKFU%2F9B39b2SKI%3D&reserved=0>
>  The Photinia villosa is much coarser.
>
> I posted more photos
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.princetonnaturenotes.org%2F2022%2F01%2Fa-mystery-tree-in-princeton.html&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813684646%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=lUtv%2Fqjo8ckIONl1ZY5SE%2F0a8wk5O6GPOiBuUONUUC0%3D&reserved=0>
>  on my nature blog, and the species, whatever it is, is now being
> discussed on iNaturalist:
> https://www.inaturalist.org/observations/117251042
> <https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.inaturalist.org%2Fobservations%2F117251042&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813684646%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=frnG%2FaUV1VeV2oqC76MuV6DvNsVneSspIJUbDCFnsM8%3D&reserved=0>
>
> I've been encountering more and more in Princeton preserves. Most are
> small and don't bloom, but I have one in my yard that gets some sun and
> just finished blooming.
>
> Steve
> _______________________________________________
> MAIPC mailing list
> MAIPC at lists.maipc.org
> http://lists.maipc.org/listinfo.cgi/maipc-maipc.org
> <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.maipc.org%2Flistinfo.cgi%2Fmaipc-maipc.org&data=05%7C01%7Crod.simmons%40alexandriava.gov%7Cd854d488c2c14ac2c34908da39b177a1%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C637885732813684646%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=0idmoZ0JZYsnexW7til8HHOQL0qq13mchjm6VVTyETM%3D&reserved=0>
> _______________________________________________
> MAIPC mailing list
> MAIPC at lists.maipc.org
> http://lists.maipc.org/listinfo.cgi/maipc-maipc.org
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.maipc.org/pipermail/maipc-maipc.org/attachments/20220520/c48fa41a/attachment.html>