Christmasberry, Wolfberry, Goji Berries

19 Dec

Lycium carolinianum


Friday John and George swatted mosquitoes in the mangrove swamp by Peck’s Lake near Hobe Sound, FL. We celebrated the season with Christmasberry in one of its favorite habitats, the smelly briny mangrove marl. The Mangrove Tree Crabs enjoyed the rain, scampering up and down the branches like mouse-sized nightmare spiders.  An invasive fern the size of a human, Giant Brake (Pteris tripartita) looks primitive in the swamp.


This fern is an oversized weed. It looks much like Bracken Fern. (By John Bradford)

That Christmasberry grows in wet saltwater habitats is interesting, given that its relatives, some 80 species of Lycium, tend toward dry deserty lands all around the world.   Salty is “dry” in a physiological sense, thus not a big jump from arid to mangrove swamp. Another “dryland” plant, a standard in Florida scrub, skipping to mangrove habitats is Hogplum, Ximenia americana.

Christmasberry (this and the close-up below by John Bradford)

Christmasberry (this and the close-up below by John Bradford)

Useful plants comfortable in saline soils raise eyebrows as potential crops in a hungry world with rising soil salinities.   Christmasberry crops you say?

Lycium species have bushels of uses, none of them blockbusters, yet worth a second look. Some benefits are ancient, some maybe in the future, and some here and now. Gogi berries from Asian Lycium species are a dietary-health fad. Goji history goes back just about forever, in teas, foods, and medicines.

I dislike enjoying nature by eating it!   Love that yummy blackened scrub jay with goji sauce! Are Christmasberries edible? Yes, no, maybe so.   They have been on the menu for a few thousand years.   At the same time, Lycium represents the druggy Potato Family, related to deadly nightshade, datura, henbane, and other witch’s delights. Reports of Lycium poisoning exist.   So please don’t eat the Christmasberry, even if other web sites urge us onward. Not much of a temptation, really, because they taste bad. The berries contain bioactive alkaloids to help explain Lyciums in ethno-remedies.

Looking into the ethnobotany of Lycium, applications against toothache are repeated abundantly and transcontinentally. Lending some credence to that, the Potato Family has long comforted civilization with pain-reducing extracts. So if Mr. Toothache visits, mash a soothing Christmasberry into the cavity, and e-mail me the result.

lycium 2

Maybe the greatest Christmas gift is to wildlife.   As the human-nutritional literature attests, goji berries bear good things for life, including fatty acids which may explain their service as dried fruit on a string.    Fatty fruits are power-packed fuel for migratory birds, and Christmasberry propels some of the biggest, longest-distance migrators of all, cranes, including our friendly Sand Hill Cranes. Far more-studied, Christmasberries can sometimes account for over half the early-winter energy budget for Whooping Cranes in South Texas, “snowbirds” down from as far yonder as the Yukon, arguably the rarest, most charismatic, magnificent and iconic endangered birds in North America. These avian jumbo jets with 7-foot wingspans need a lot of fuel.


Posted by on December 19, 2015 in Uncategorized


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8 responses to “Christmasberry, Wolfberry, Goji Berries

  1. Laure Hristov

    December 19, 2015 at 11:45 pm

    Amazing how there are signs of Christmas even in the mangrove swamps! Enjoyed the pictures and Christmasberry info. Have a very Merry Christmas. 🎄🎄🎄🎄🎄🎄

    • George Rogers

      December 20, 2015 at 9:36 am

      Merry Christmas to you Laure, and use your beautiful garden as a refuge from that ugly traffic.

  2. theshrubqueen

    December 20, 2015 at 8:13 am

    I haven’t seen any of the Christmas berries, you made me want to stomp through the Mangroves to have a look!
    Merry Christmas!

  3. George Rogers

    December 20, 2015 at 9:27 am

    You don’t see them everywhere. But lots among Hutchinson Island mangroves
    , and the patch in Peck’s Lake, which is not so spectacular right now.

  4. uma Bhatti

    December 25, 2015 at 12:12 pm

    Merry Christmas Dr Rogers.Never see purple flowers on Christmas berry.

    • George Rogers

      December 25, 2015 at 12:39 pm

      Hi Uma, See you in 2016! -George

  5. leonorealaniz

    January 18, 2016 at 2:30 pm

    Hello George, the foliage on the Christmas Berry bush looks “succulent”. It has round tips, no venation? If I printed with it, would I crush juice from the leaves as well? Can’t wait to come to Florida and print with some of the plants you feature, including the man-sized Fern!

  6. George Rogers

    January 18, 2016 at 4:07 pm

    Hello Leonote, The Christmasberry isn’t really succulent, but squishy and juicy…might not be printworthy. Can you make winter prints up there in the land of snow…or indoor plants only? Bring big paper for the fern!


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