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African Onion Plant

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Aquarium Plants
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Crinum Calamistratum


Crinum calamistratum is an aquatic plant from Central Africa that has been available in the hobby for several years now. Records from the holotype specimen collected in 1948 indicate that the plant was taken from the Kumba region of Cameroon. Those waterways were thought to be dry at certain times of the year, but the plant ability to survive in an emersed state is doubtful. This is the smallest of the Crinum species that are usually kept in aquaria, but it is still a fairly sizeable plant. 


Crinum Calamistratum

Amazing Crinum Calamistratum Scape by Nguyen Ngoc Hai from Vietnam 

This Crinum has a unique structure of long, slender, deeply wrinkled, dark green leaves that can extend up to four feet in length. Leaves start off growing upward at a slight angle from the bulb, but quickly produce an assortment of curls and loops. For aquascaping purposes, a single full-grown plant can provide a strong focal point. The unique growth pattern and leaf texture provide an interesting visual contrast to typical groupings of stem plants. Despite its slow growth pattern, it requires fairly high light levels and will benefit from CO2 supplementation. Large, healthy plants will eventually produce a number of daughter plants circumferentially around the bulb. After forming three or four leaves, each can be carefully teased away with its own small bulb and root system. Sexual reproduction has also been reported, but is much less common. 

The aquarium location for this plant should be selected with careful consideration of its light requirements and eventual size. It does best when allowed to firmly establish itself. Frequent moves or excessive shading will result in dropped leaves and a poor root system. C. calamistratum is tolerant of mildly brackish water and can do well in both hard and soft water. The leaves are also highly resistant to grazing from herbivorous fish. 

The flower of this plant is one of the most beautiful of all true aquatics. Flowering is most easily accomplished in high-light, CO2 enriched systems with relatively soft water. When in top form, the plant will produce a flower stalk that will rapidly grow from the bulb to the surface in a matter of days. Two or three surprisingly large flowers will rise on slender stalks from a single pod a few inches above the water. These will remain open for about a week. Flowering can be observed as often as every four to six weeks.  

Complete botanical name Crínum calamistrátum Bogner & Heine
Family Amaryllidaceae
Genus Crinum
Difficulty easy
Usage Background, Midground, Specimen plant
Growth slow
pH value 5 - 8
Temperature tolerance 12 - 30°C
Carbonate hardness 2 - 12°dKH
General hardness 0 - 30°dGH
Propagation Splitting, cutting off daughter plants
Can grow emersed? no
Source Flowgrow


Size : 40cm + Long Large  size x 1 pc only 


We can’t ship Livestock and Live Plants to WA and TAS due to State Restrictions. Kindly check out our DOA and other policies before purchase!!

All you need to know about Crinum Calamistratum in video by fincasters

Other things to consider before placing an order:

* Check to see if your tank has enough space.
* Ensure your tank is fully cycled.
* Ensure your new livestock is compatible tank mates for any other fish you currently have (in terms of habitat, species, requirements, temperament, and size)
* Ensure that your water parameters, habitat and temperature are suitable for the species you want to introduce.
* Do not stock your tank too quickly, or suddenly a large influx of fish can unbalance your water parameters that will affect the water quality.
* Do not feed your new fish for 24hrs. They need time to settle in and feel at home. Feeding them too quickly puts their health at risk, and it can even affect your water quality. If you have existing fish in your aquarium, feeding them before releasing the new fish is a good idea.
* Don’t be alarmed if, upon arrival, your fish, shrimp or snail look pale or lethargic. This is normal behaviour while in transit, and they should return to full colour and vibrancy after settling into their new home for a few days.

Also, be aware that livestock often gets stress and lose their colours after the long travel to you, this often happened to most livestock ( shrimps, guppies, plecos, and so on, kindly make sure you have the right set up, the aquarium must be fully cycled with the ideal parameters. Fishes and shrimps will often take from 3-7 days to fully adapt to the new home. If you have any concerns with your set up kindly talk to us or check out some online tutorials before purchase.

At Micro Aquatic shop, we strive to provide excellent service and high-quality products, any concerns kindly contact us asap and often we will get back to you in a few hours during working hours. We do not accept claims when the livestock entered your aquarium as there might be so many factors that can affect the wellbeing of the livestock, on our part we can guarantee that we are always sending out healthy and quality fishes, plants and shrimps to you.

Limited Quantity Available - Will Sell out Fast!

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African Onion Plant
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