Berlese, Botantial: Camellias, Regularis

It seems like you're asking about a specific camellia species or cultivar named "Regularis." However, there isn't a widely recognized camellia cultivar by that exact name in common horticultural databases or references.

Camellias are a diverse genus within the family Theaceae, and there are numerous species and cultivars with different characteristics in terms of flower color, form, size, and growth habit. If "Regularis" is indeed a specific cultivar you are interested in, it might be less common or known under a different name in different regions or databases.

If you have more context or additional details about "Regularis" or if you're looking for information on a different aspect of camellias, feel free to provide more information so I can assist you better!