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Description
anthurium longissimum Myrmephytum 'longissimum' (Nabire) €74.99This ant plant belongs to the little known genus Myrmephytum . It differs from the more familiar Myrmecodia in the arrangement and structure of its flowers and inflorescences, and is particularly striking due to its large, blue flowers. This plant originates from near Nabire, in the Indonesian county of Papua Tengah in New Guinea. Myrmephytum 'longissimum' is a so called 'nomen nudum', meaning "naked name." This means that while this plant has a
This ant plant belongs to the little-known genus Myrmephytum . It differs from the more familiar Myrmecodia in the arrangement and structure of its flowers and inflorescences, and is particularly striking due to its large, blue flowers.This plant originates from near Nabire, in the Indonesian county of Papua Tengah in New Guinea.
Myrmephytum 'longissimum' is a so-called 'nomen nudum', meaning "naked name." This means that while this plant has a botanical name, there is no scientific description of the species. A plant with similar leaves, but without a known caudex or flowers, was recorded as " Myrmedoma longissima " on a herbarium specimen, but the identity of this plant was never definitively established, and it was never described as a species. A revision integrated the genus Myrmedoma into Myrmephytum , resulting in the new combination " Myrmephytum longissimum ." However, this is not a described species! In the revision of the genus by Huxely & Jebb (1991), it is therefore referred to as " Myrmephytum species 1." Since it is now more commonly known as M. longissimum , we offer it under this (naked) name.
The caudex is elongated, with spiny ridges, and in nature the plant usually hangs upside down from large trees in the lowland rainforest. The surface is covered with numerous small holes.
The long, drooping leaves are particularly striking in this species. They grow to about 45 cm long and 3 to 4 cm wide. The flowers are among the most beautiful and largest in the genus. They are blue, about 5 cm across, and only open for a few days. After a short time, elongated, orange fruits develop from the flowers.
Myrmephytum grow surprisingly quickly with proper fertilization. This bizarre, hanging species is a highlight in any larger terrarium or grow tent.
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[expand Title=" About Ant Plants "]
Myrmephytum are so-called "ant plants" from the Rubiaceae family. They are widespread from Southeast Asia to Australia and from Papua to the Solomon Islands, and usually grow epiphytically on trees. They belong to the myrmecodomen ant plants, meaning they provide nesting sites for ants. Their thickened stem, also called a "caudex," is riddled with numerous tunnels and chambers inhabited by specialized ants, mostly from the genus Philidris . The ants do not create the chambers or the entrances themselves; these are formed solely by the plant, regardless of whether ants are present or not.
The plant has a mutually beneficial relationship with the ants that live in it. The ants protect the plant and their nest, and fertilize it with leftover food, droppings, and other waste. The plant contains several different types of chambers: some with smooth walls and others with warty walls. The warty chambers, in particular, are specially adapted for absorbing nutrients. The ants use the smooth chambers for nesting and the warty chambers as a waste disposal site, thus supplying the plant with nutrients. In some highly specialized ant-inhabiting plants, the ants even pollinate the flowers and plant the seedlings!
Over many years, the colonies of ants and ant-attracting plants spread across a tree, and other epiphytes associated with ants, such as Hoya , Dischidia , Lecanopteris , and orchids, also join them. A so-called " ant garden " is created.
Not every ant-friendly plant is actually inhabited by ants in nature. In fact, there are numerous species where ants have never been detected! This also means that no ant-friendly plant necessarily needs an ant colony to survive or thrive. All of our cultivated ant-friendly plants are, of course, ant-free! The caudex forms exactly the same way as it does in nature, even without ants.
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You will receive a young plant in a 5.5cm pot (see picture 3 in the gallery).
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4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Helpful Idea for Puppies, Even Though Mine Were Not Interested
Pattern Name: Heartbeat Sheep Grey
This heartbeat puppy toy is a really thoughtful concept for helping puppies feel comforted during crate training and sleep, especially for very young puppies adjusting to a new environment. The heartbeat feature and soft plush design are clearly meant to create a calming effect and ease anxiety during transitions. The toy itself feels soft and well made, and I can absolutely see why many puppies respond well to it.
In our case, my puppies personally were not very interested in it, but I honestly feel that was more about their individual personalities than the product itself. Because the concept is so good and many dogs may benefit from it, I still think it is worth trying, especially if introduced very early during puppy training and adjustment periods.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Did they add pheremones to this??
Pattern Name: Heartbeat Sheep Grey
So when my puppy first came home to me I bought this to try to help him keep calm through the night. He wasn't able to sleep through the night, but he did sleep more than I had expected. The next couple of nights he was able to sleep through the night completely (but liked to wake up at 5 am...). Fast forward to a month later, and I no longer turn the heart on all the time (because I forget). But I did buy a re-chargeable heart because having to keep buying batteries is a pet peeve for me. He still loves to sleep with it as it's another snuggle spot that helps keep him warm (short haired mini dachshund, so not much fur to keep himself warm) in the kennel. During the day though, he loves to drag this thing out of the kennel and "wrestle" with it. He shakes it a lot like all dogs like to do to "kill" it, and he's chewed the tail and nose worn. But the reason I say it has pheremones is that at 10 weeks old (which was younger than my last dogs' puberty age), he's humping it like there's no tomorrow. If I need to get his attention, or keep him out of a certain area, all I need to do is bring this out of kennel, and he's off humping the stuffing out of it. His brother (who belongs to my mother and is from the same litter), does the same thing. So now I have to wonder if they added some pheremones to it so that it's really "lovable". It was actually pretty hilarious because I was face-timing my mother showing her my dog with this anxiety toy, and he decided to perform his first humping act on air. So I'm not sure I can say it did it's main job to calm anxiety, but it did act as companion (in more ways than one) to my dog. My dog is almost 4 months old now and this toy is still going strong... well, the neck could use a sew, and the tail is on it's last leg, but he loves his girlfriend just the way she is.
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Reviewed in the United States on August 26, 2021
★★★★★ 3
Heartbeat stops working after a few seconds
Pattern Name: Heartbeat Sheep Grey
It's a really cute toy. The heart beats only for a few seconds then stops. I thought about exchanging it, but reading the reviews it looks like it is an issue with the mechanism itself. I found a pack of 2 replacement hearts from another company and so far it seems to be working.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Anxiety Relief for Elderly Dog
Pattern Name: Heartbeat Sheep Grey, Pattern Name: Heartbeat Sheep Grey
My son and daughter-in-law's 13 year old Chihuahua has been suffering from separation anxiety, and just general anxiety during the covid19 lockdown. While she's in dental school, he's been living with us full time, and she was living at school during the week and with us on weekends. But with campus closed down, there's full-time school anxiety from doggie Mom, and going to work in a plague anxiety from doggie Dad. And nobody has much time for poor stressed out doggie, who barks and whines and is generally unpleasant. The only thing that seems to calm him down is to hold him. All. Day. Long. None of us has time.
I decided to see if what works for puppies might work for an old man dog too. Guess what, it does! I started by holding the dog and the lamb on my lap for an evening while watching TV. The next morning I put the lamb in a bed next to my computer while I worked, and he climbed into the bed himself. He never would have done that before! You can't see the lamb in the picture, it's tucked under the canopy. The heartbeat is very relaxing- you do hear it, but it's more like you feel it than hear it, really. I have to admit that the first night when I was holding him, the heartbeat put me to sleep too. When my daughter-in-law came down for lunch, she took dog and lamb back up with her, and he slept with the lamb all afternoon and let her study without interruption.
I don't know how long the batteries will last, or how hard they will be to change, but so far this has been a real comfort to an anxious old man dog.
ETA- I've ordered batteries (40 for $6.99), and I may order another lamb for upstairs so we don't have to remember whether it's on Mom & Dad's or Grandma's floor. He's a much happier dog.
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Reviewed in the United States on June 29, 2020
★★★★★ 5
Puppy
Pattern Name: Heartbeat Sheep Grey
Simply the best! These hold up and are a puppy favorite!
They did change the heartbeat sound and it is a bit much for the newborn puppies.
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Reviewed in the United States on December 13, 2025