Purslane and Portulaca forum: ID'ing Portulaca species

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Name: Tiffany
Opp, AL (Zone 8b)
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purpleinopp
Jul 16, 2015 9:12 AM CST
It is a little-documented & mysterious genus. Have you found a Portulaca you couldn't ID? I can't find pics of all the species, on here or anywhere. The only ID key I can find for Portulacas is from another continent, mostly species that are not in N Amer:
http://www.bashaar.org.il/files/Danin%202012%20Caryophyllale...

The parent plant here has no pics, just tagged once in a multi. Apparently people either ID their Portulacas to species, or not all. How interesting is that?! If anyone has a species that has no pics in the database here, pls share pics!
http://garden.org/plants/browse/plants/genus/portulaca/

Anyone can look up the species of a genus (that USDA knows to be in a state) at this search, but not all species have pics:
http://plants.usda.gov/checklist.html

Any resources folks use to ID, pls share! TYVM!

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[Last edited by purpleinopp - Jul 17, 2015 5:11 AM (+)]
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Name: Becky (Boo)
Phoenix, AZ 85022
finding joy one day at a time!
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Boopaints
Jul 16, 2015 11:43 AM CST

Moderator

I agree
I am a lover of purslane first, so I know a little more about it than portulaca . Same family but different blooms and leaves as you know.

Once I had pink purslane and white in two near by pots. The bees had fun pollinating and soon blooms on a single stem had both colors. This was BEFORE DIGITAL CAMERAS. I hope to find the hard copy photo to share. One petal was even split down the middle with pink and white. Amazing!
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Name: Tiffany
Opp, AL (Zone 8b)
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purpleinopp
Jul 16, 2015 12:53 PM CST
TY, I know you're contagiously enthusiastic, I love that!

I'm asking about ID'ing the other species of Portulaca besides purslane. (Purslane = Portulaca oleracea, which you probably know, but not sure from your phrasing.) There should be some kind of written key describing the measurements of each part of the anatomy of each species, but may not be something that's been put in digital, internet form, in English. I've been unable to find one.

Before any cameras existed, all plants were ID'd by comparing written descriptions. Here's a good example of a written ID key, for Commelina:
http://flora.huh.harvard.edu/china/PDF/PDF24/commelina.pdf

Here's a partial list of the un-pictured Portulaca species, wouldn't it be fun to see them?!:
(Portulaca argentinensis)
(Portulaca aurantiaca)
(Portulaca bicolor)
(Portulaca brevifolia)
(Portulaca bulbifera)
(Portulaca californica)
(Portulaca canariensis)
(Portulaca cardenasiana)
(Portulaca caulerpoides)
(Portulaca centrali-africana)
(Portulaca chacoana)
(Portulaca ciferrii)
(Portulaca clavigera)
(Portulaca colombiana)
(Portulaca commutata)
(Portulaca confertifolia)
(Portulaca confertifolia var. cordobensis)
(Portulaca conoidea)
(Portulaca constricta)
(Portulaca conzattii)
(Portulaca coralloides)
(Portulaca cryptopetala)
(Portulaca cubensis)
(Portulaca cyclophylla)
(Portulaca cypria)
(Portulaca daninii)
(Portulaca decorticans)
(Portulaca dhofarica)
(Portulaca diegoi)
(Portulaca digyna)
(Portulaca dodomaensis)
(Portulaca echinosperma)
(Portulaca edulis)
(Portulaca eitenii)
(Portulaca elatior)
(Portulaca elongata)
(Portulaca elongata var. pedicellata)
(Portulaca eruca)
(Portulaca erythraeae)
(Portulaca fascicularis)
(Portulaca filsonii)
(Portulaca fischeri)
(Portulaca fluvialis)
(Portulaca fluvialis var. tacuaremboensis)
(Portulaca foliosa)
(Portulaca foliosa var. lateritia)
(Portulaca fragilis)
(Portulaca frieseana)
(Portulaca fulgens)
(Portulaca gilliesii)
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Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Jul 16, 2015 1:47 PM CST
I can't locate the photos I had. They may have gotten deleted when I got a new computer. A few photos did get lost. I think the one that blooms orange is this one:

http://prescottnatives.com/SpeciesDetailForb.php?genus=Portu...

Everything looks right and it made those odd seed capsules. I haven't noticed it this year but I haven't been looking either. There are lots of the other two so if I go looking I might find some and take a new photo. It's never been as ubiquitous as the other two natives.
Donald
Name: Tiffany
Opp, AL (Zone 8b)
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purpleinopp
Jul 17, 2015 5:24 AM CST
That's adorable! That must be what the plain, non-cultivar species looks like.
http://swbiodiversity.org/seinet/taxa/index.php?taxon=292

This orange one is also reported to be present in TX, P. suffrutescens, but doesn't have a yellow center:
http://swbiodiversity.org/seinet/taxa/index.php?taxon=291


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Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
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needrain
Jul 17, 2015 7:13 AM CST
Orange! I notice that in both descriptions the flower is described as yellow tipped with orange Big Grin . But as per your description I see an orange flower with a yellow center nodding . Mentally on my part they don't conjure up the same image. Sometimes a photo is soooo helpful.
Donald
Name: Becky (Boo)
Phoenix, AZ 85022
finding joy one day at a time!
Charter ATP Member Forum moderator I was one of the first 300 contributors to the plant database! Garden Art Purslane Garden Ideas: Master Level
Region: Southwest Gardening Enjoys or suffers hot summers Region: United States of America Birds Hummingbirder Container Gardener
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Boopaints
Jul 17, 2015 8:57 AM CST

Moderator

Hurray! Great listing, Tiffany!

Yes, I know some of the botanical names. I just get lazy and call things purslane that are actually Portulaca umbraticola or Portulaca oleracea. Rolling on the floor laughing

I honestly love Purslane so much, I tend to forget talking about portulaca proper. Rolling on the floor laughing
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Name: Tiffany
Opp, AL (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Native Plants and Wildflowers
Bulbs Foliage Fan Tropicals Butterflies Garden Sages Cactus and Succulents
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purpleinopp
Nov 24, 2015 6:17 AM CST
Has anyone yet found an ID key for Portulacas?
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Name: Vicki
North Carolina
Forum moderator Charter ATP Member I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! I sent a postcard to Randy! Region: United States of America
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vic
Nov 24, 2015 9:46 AM CST

Moderator

I haven't but I'll check with Becky @Boopaints Thumbs up
Name: Becky (Boo)
Phoenix, AZ 85022
finding joy one day at a time!
Charter ATP Member Forum moderator I was one of the first 300 contributors to the plant database! Garden Art Purslane Garden Ideas: Master Level
Region: Southwest Gardening Enjoys or suffers hot summers Region: United States of America Birds Hummingbirder Container Gardener
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Boopaints
Nov 24, 2015 10:42 AM CST

Moderator

No I haven't either but then I haven't been looking. Whistling
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