Dwarf Water lily at Bristol University Botanical Gardens

I revisited the Bristol University Botanical Gardens in the hopes of getting a photo of the Datura that I forgot to photograph last time I was there. Unfortunately I could not find it but was informed that in any case the flowers had gone to seed.
On the other hand I did get to see these lovely Miniature Water lilies. I had some miniature ones in Australia when I was up in Townsville. I had them in my goldfish bowl. Those were minuscule compared to these.

Nymphaea 'Pygmaea Helvola'at the University of Bristol Botanical Gardens

Nymphaea 'Pygmaea Helvola'at the University of Bristol Botanical Gardens

Nymphaea 'Pygmaea Helvola'at the University of Bristol Botanical Gardens

Nymphaea 'Pygmaea Helvola'at the University of Bristol Botanical Gardens

Scientific Name: Nymphaea 'Pygmaea Helvola'

Common names: Minature Water lily, Hardy Water lily (English) ;

Taxonomic hierarchy: 

Kingdom: Plantae - Plants

Subkingdom: Viridaeplantae – Green plants

Infrakingdom: Streptophyta – Land plants

Division: Tracheophyta – Vascular plants

Subdivision: Spermatophytina – Spermatophytes (seed plants)

Infradivision: Angiospermae – Angiosperms (flowering plants)

Class: Magnoliopsida –

Superorder: Nymphaeanae –

Order: Nypmhaeales –

Family: Nymphaceae – Water lilies (English)

Genus: Nymphaea – 

Species: Nymphaea 'Pygmaea Helvola' – Minature Water lily,Hardy Water lily (English);

Notes: 

• I am using the taxonomical classification system used by ITIS (Intergrated Taxonomic Information System). I have decided to use this system in order to avoid confusion as well as because it offers a comprehensive hierarchy from kingdom right through to subspecies whereas other sources only go as far as order or  provide the names of some of the higher taxonomical ranks but only indicate "unclassified" rather than providing the rank.
• When and where possible I will endeavour to include alternatives classifications although  I may limit this to occasions where an opportunity arises to discuss the reason for the different classifications.
• Taxonomical data used in this post was retrieved [June 15 2014], from the Integrated Taxonomic Information System on-line database, http://www.itis.gov.

References:


On-line sources:

• Royal Horticultural Society: Entry for Nymphaea 'Pygmaea Helvola'
• Official Website of the: Bristol University Botanical Gardens
• Missouri Botanical gardens: Entry for Nymphaea 'Pygmaea Helvola'
• Integrated Taxonomic Information System on-line database: Entry for Nymphaea
• Wikipedia: Entry for Water Lilies
• Wikipedia: Entry for Nymphaeaceae

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