[MAIPC] Corydalis incisa: be on the lookout

[Milo Pyne]

mine in tennessee were blue-ish...

From: MAIPC [mailto:maipc-bounces at lists.maipc.org] On Behalf Of Margaret Chatham
Sent: Wednesday, April 06, 2016 4:28 PM
To: Swearingen, Jil <jil_swearingen at nps.gov>; Ruth Douglas <cvilleruth at embarqmail.com>
Cc: maipc at lists.maipc.org
Subject: Re: [MAIPC] Corydalis incisa: be on the lookout

Purple or white flower color looks like a pretty clear identifier - according to Flora of Virginia, we only have one native Corydalis: the much smaller yellow-flowered C. flavula. C. sempervirens has pink flowers ( & has been renamed Capnoides sempervirens). Then there is Fumaria officinalis with round seedpods - and it isn't native.

Margaret
On 4/6/16 12:44 PM, "Swearingen, Jil" <jil_swearingen at nps.gov<mailto:jil_swearingen at nps.gov>> wrote:
Ruth,

Just to be sure.. How do you know that this is incisa? There are a lot of native Corydalis as I'm sure you know... Some look like this. I just want to be sure the identification is correct.

Thank you!

Jil

On Tue, Apr 5, 2016 at 11:27 PM, Ruth Douglas <cvilleruth at embarqmail.com<mailto:cvilleruth at embarqmail.com>> wrote:
Last year around the end of April I went looking for possible Corydalis incisa along Red Bud Creek, near my home in Albemarle Co. VA. I found probably 40 plants in bloom and starting to go to seed. I pulled up all those I saw and flagged the area. This year I went back on April 3 and found about 15 plants in bloom nearby, but not yet going to seed, and pulled them all and again flagged the area.

In the last several days I have heard of two more infestations in Virginia, one more in Albemarle Co. and one in Madison Co., both in extensive private native plant gardens. I don't know if the plant hitchhiked in with another plant purchased from a supplier or whether the owner planted them without realizing that they could be very invasive; I will investigate that.

I don't think I can attach a picture, but here is a link to a photo  http://www.henriettes-herb.com/galleries/photos/c/co/corydalis-incisa-1.html

And here is a link to a plants profile http://plants.usda.gov/core/profile?symbol=COIN21

Ruth Douglas
Charlottesville, VA



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