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Re: Bolbitis Heteroclita Cuspidata - "Micro"

i have it, no growth yet. i also have the large form and with that one once it established itself gosh it took off like crazy!!
 

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Discussion Starter · #7 ·
Re: Bolbitis Heteroclita Cuspidata - "Micro"

In the second and third pictures you can see Fissidens Splachnobryoides. This Bolbitis is called MICRO but is bigger than Heteroclita Difformis (caled MINI):


Maybe it is just a mistaken name of this shop.

Cuspidata and also Difformis has the same rate of growth. Some people say that growing extremaly slow, others that it is just very slow. I'd say that's quite slow, but not drastically. It depends on what water quality conditions we will served. Growing quite fast in Co2 and good ground substrate.

If leaves are destroyed or algae then Bolbitis can give a small new plant (seedling) on this leaves, just as Microsorium.
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

I wonder if this is the same plants as Edanyoa difformis / Bolbitis heteroclita?
I bought mine from this nice site.

I had this plant i my high-tech tank some months ago. But the plants never started to grow, then the plants turned blackish and died. I don't know why it did'nt was growning in my tank.
Here is some pics of the plants when i first got it:

 

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Discussion Starter · #9 ·
Re: Bolbitis Heteroclita Cuspidata - "Micro"

No, it isn't the same. This is Cuspidata, and you have Difformis. Underwter could get brown, it is probably because water parameters could change (or just it is because you put in the new water enviroment), but it should be growing soon. My Difformis actually looks like that:

 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Hi All,

I am not a plant expert but I do like this species and have been following the variants offered on the forums over the last several months. From what I have been able to piece together, we seem have three variants of Bolbitis out there:

Bolbitis heudelotii - the original
Bolbitis heteroclita 'Difformis' - sometimes 'Short Form' or 'Mini'
Bolbitis heteroclita 'Cuspidata' - sometimes 'Micro'

Here is what Christel Kasselmann has to say; unfortunately my German is too rusty to do an accurate translation but the pictures are nice!
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Yes, that's a good reference for both Bolbitis heteroclita forms, however both pics show only the emersed plants. More infos and pics in the cited Datz 12-2009. (Is there already an English translation of the Datz article?)
Infos from the website:
- few years ago Tropica handed out few exemplars of the ferns to specialized hobbyists
- both ferns came from Botanical Garden Berlin, labeled as "Bolbitis cuspidata" and "Bolbitis difformis"
- Kasselmann's literature research showed that both plants belong to the variable species Bolbitis heteroclita.

B. heteroclita "cuspidata" was originally described as B. cuspidata, B. heteroclita "difformis" as Edanyoa difformis.
There are much more B. heteroclita forms in cultivation, see Hennipman (1977), A Monograph of the Fern Genus Bolbitis.

@Vasteq: Do You think that the B. h. "Cuspidata Micro" is different from B. h. "Cuspidata" under same conditions? I guess it's the same fern.
 

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Discussion Starter · #13 ·
Re: Bolbitis Heteroclita Cuspidata - "Micro"

MICRO and MINI (Micro for Difformis, Mini for Cuspidata) it is the only "trade" name. Some people mistaked this "trade" names (called Cuspidata as Micro and Difformis as Mini), but this is not important. I think that better if we call Cuspidata as Mini, and Difformis as Micro because is shown a clear difference in the size of this two species (difformis is much smaller in submerse version)
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Hello Vasteq,
thank You for clarifying.
So the trade names "Micro" and "Mini" are actually unnecessary and used in the trade in a confusing way, too, therefore I mean it would be best to leave them out and to call these ferns B. h. "cuspidata" and B. h. "difformis" only.
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Hi All,

I agree, I much prefer using the Latin names to avoid confusion.
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

I agree, I much prefer using the Latin names to avoid confusion.
In this case, "cuspidata" and "difformis" as not accepted botanical names are only auxiliary names to term particular cultivated strains of B. heteroclita, without taxonomic value. So they are in the same category as other auxiliary non-latin (and IMO necessary) names in quotation marks such as "Pantanal" or "Red", or even "Micro" and "Mini", similar to cultivar names. I mean, in this case preferring them not because they are Latin names, but because they were there first, and are unambiguous as each is apparently used for 1 heteroclita strain only.

It would be a different case if "Micro" and "Mini" are meant as popular / vernacular names, e.g. Micro Bolbitis or Mini Bolbitis.
 

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I have B heteroclita (standard form) in my terrarium and it does great, submersed not so well, it doesn't like continuously wet leaves, even in my terrarium the leaves next to the waterfall are turning brown.

Len
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Thanks for the tip. I ripped out my Bolbitis 'difformis' out last night and replaced them with Anubias. I guess I'll be making a terrarium with the the ferns. Oh well, that's better than watching it slowly decline under water.
 

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Re: Bolbitis Heteroclita Cuspidata - "Micro"

Are these ferns true aquatic plants? I have read that they do poorly over time when left submerged.
True aquatic is somewhat difficult to define, there's a number of plant species not classified as true aquatic by the botanists because in their natural habitats they don't grow in water the most time, nevertheless they can grow permanently submersed in tanks. E.g. Staurogyne repens.
I had the "cuspidata" and the "difformis" variants of Bolbitis heteroclita submersed for many months, they grew steadily but didn't look really good because mature leaves got brownish soon - that means, not decaying soon but looking rather ugly.
 
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