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Plant Identification: SOLVED: ID Gardenia Species By Leaves?

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Xeramtheum
Summerville, SC
(Zone 8a)

September 28, 2012
12:45 PM

Post #9289092

Can you identify the species of gardenias by leaves? I was lucky to get two gardenias at a local swap. They are probably two different species because the leaves are so different .. I'd really like to know which ones they are so I know whether or not they are hardy in my zone.

One has broad, very glossy leaves and the other one has thinner less glossy leaves.

Thanks!

This message was edited Sep 28, 2012 2:46 PM

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KayJones
Panama City Beach, FL
(Zone 8b)

September 28, 2012
4:57 PM

Post #9289295

IMHO, the first one isn't a Gardenia. The second appears to be.

Metrosideros

Metrosideros
Keaau, HI


September 28, 2012
9:13 PM

Post #9289500

The 1st one is maybe a Tabernaemontana, Crepe Gardinia / Crepe Jasmine.

http://en.wikipedia.org/wiki/Tabernaemontana

Need to see the flowers to determine a species.
Xeramtheum
Summerville, SC
(Zone 8a)

September 29, 2012
5:43 AM

Post #9289670

Thanks .. I didn't think it was possible just with the leaves .. I guess they'll both go in the greenhouse this winter.
KayJones
Panama City Beach, FL
(Zone 8b)

September 29, 2012
7:34 AM

Post #9289781

Anne, I was thinking Tabernaemontana, too - just went out and looked at mine, to compare with your picture - they appear to have identical leaves - I couldn't think of the botanical name - always called it crepe jasmine. Mine has double white flowers, the size of a quarter and no fragrance, although I have smelled some that do have a fragrance.
JaxFlaGardener
Jacksonville, FL
(Zone 8b)

September 29, 2012
7:49 PM

Post #9290452

My first impression was also Tabernaemontana. It is marginally hardy in my Zone 8b garden in Jacksonville, FL. I would agree with you that overwintering in your greenhouse is best.

I have the 'Flore Pleno' double flowering type, but I frequently see the single flowering type for sale in the big box garden centers.

Jeremy
KayJones
Panama City Beach, FL
(Zone 8b)

September 30, 2012
4:24 AM

Post #9290672

Hmmm, Jeremy - wonder why mine is hardy in my yard and yours only marginally?
Xeramtheum
Summerville, SC
(Zone 8a)

October 1, 2012
7:38 AM

Post #9291982

Thanks everyone!
Darwiniensis
Darwin
Australia

October 1, 2012
9:30 PM

Post #9293154

In regard to the first plant: I agree that, without flowers, an id to species will be be difficult. However, there are a couple of things to look for which will help to narrow it down.

Tabernaemontana will have milky latex (family Apocynaceae). Gardenia do not have milky latex.

Check to see if your plant has interpetiolar stipules (see attached pic for an example). If so, it confirms that your plant is either a Gardenia or another genus in the same family (Rubiaceae) as interpetiolar stipules are a very reliable character of that family.

BTW the image is not mine (found on the net & used for illustrative purposes only).

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Xeramtheum
Summerville, SC
(Zone 8a)

October 2, 2012
5:53 AM

Post #9293333

No milky sap and yes to interpetiolar stipules (that was a new term for me!). So it probably is a gardenia or cousin thereof?

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Darwiniensis
Darwin
Australia

October 2, 2012
3:35 PM

Post #9293938

Yep, Rubiaceae for sure! And I think it probably IS a Gardenia... maybe a cultivar of Gardenia augusta. Your plant appears to be putting out some whorls of 3 leaves in addition to the more usual pairs of opposite leaves. I have certainly seen Gardenia exhibit this trait before. Waiting for flowers will allow further ID.

Ben
Xeramtheum
Summerville, SC
(Zone 8a)

October 2, 2012
4:02 PM

Post #9293963

Thanks Ben for the ID and the botany lesson.
Darwiniensis
Darwin
Australia

October 2, 2012
4:13 PM

Post #9293974

You are very welcome. Happy gardening!

Metrosideros

Metrosideros
Keaau, HI


October 4, 2012
4:40 PM

Post #9296075

Please post photos of the flowers when they produce.
Xeramtheum
Summerville, SC
(Zone 8a)

October 4, 2012
5:33 PM

Post #9296130

Will do!
Xeramtheum
Summerville, SC
(Zone 8a)

June 16, 2013
7:20 AM

Post #9560790

They finally bloomed! Kay identified the Daisy for me, first picture .. here is a picture of the 2nd plant - Gardenia jasminoides var. fortuniana?

Thumbnail by Xeramtheum   Thumbnail by Xeramtheum         
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KayJones
Panama City Beach, FL
(Zone 8b)

June 16, 2013
11:19 AM

Post #9561019

Anne, both are beautiful - I can almost smell them now!
Xeramtheum
Summerville, SC
(Zone 8a)

June 16, 2013
3:28 PM

Post #9561287

The Daisy doesn't have much of a fragrance like the other one - more like a suggestion of a fragrance .. at least to my nose.
KayJones
Panama City Beach, FL
(Zone 8b)

June 16, 2013
4:12 PM

Post #9561332

It's probably mental - picture Gardenias - imagine fragrance.

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