Biology:Bolbitis heteroclita

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Short description: Species of aquatic plant

Bolbitis heteroclita
Bolbitis heteroclita - Botanischer Garten München-Nymphenburg - DSC08166.JPG
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Polypodiineae
Family: Dryopteridaceae
Genus: Bolbitis
Species:
B. heteroclita
Binomial name
Bolbitis heteroclita
(Presl) Ching
Synonyms

Bolbitis asiatica

Bolbitis heteroclita is an aquatic fern species of Bolbitis, native to the Indochina region of tropical Southeast Asia.[1][2]

Cultivation

Bolbitis heteroclita is, fairly commonly, cultivated and sold as an ornamental plant for planted aquariums and garden ponds. It is one of two species of Bolbitis that are popular for use as freshwater aquarium plants, the second being Bolbitis heudelotii.[3] Despite their relative popularity, these plants are not suitable for most novice aquarists. They can be unexpectedly sensitive in some cases, requiring minimal flow of water, with a gentle current; soft, acidic water is also preferred, ideally between 6.0-7.0, although there may be exceptions based on local water qualities. As these ferns are more adapted to a riparian, semi-submerged growth habit (rather than fully aquatic and submerged), it may be taxing on the plants to maintain them fully underwater, long-term. It is best to cultivate aquatic ferns, including Bolbitis, with their roots simply tied or attached to driftwood or rocks, and only a few inches beneath the water’s surface. Their leaves are best maintained floating just at and above the waterline, where they can access fresh air while keeping their delicate, hair-like roots fully saturated.

The addition of carbon dioxide can greatly improve the health of all aquarium plants, especially epiphytes like ferns, with many online tutorials and videos demonstrating how to achieve this; for the average aquarist, though, this is inconceivable, if only initially, and may be considered a difficult feat for others. Thankfully, it is not a requirement. More importantly, weekly water changes of between 25-75% of the total aquarium volume are vital, dependent on bioload and vertebrate and fish count in the aquarium. Clean, renewed water has been shown to boost aquatic ferns’ health, as it stirs the water column and cleans off the broad surfaces of the leaves, preventing the buildup of algae, mulm and detritus; this buildup can ultimately block sunlight and prevent photosynthesis, and even cause the plant to decline.

This species, however, is easy to grow as a terrestrial or immersed (in ponds) potted plant. It is remarkable for the resemblance of the fronds of a certain size to poison ivy leaves. Some plant nurseries and growers sell this under the former name Bolbitis asiatica.

References

External links

Wikidata ☰ Q4352528 entry