Artwork
Canna Iridiflora

Canna Iridiflora is a watercolor work on paper by Johann Knapp. It is held in the collection of the Victoria and Albert Museum.
About this work
Overview
This 1850 watercolour by Johann Knapp portrays the tropical plant Canna iridiflora. The composition centers on a sturdy green stem topped with a cluster of tubular flowers, rendered in delicate pink and red hues that open outward around a pale central stigma.
Subject & Meaning
The illustration captures the characteristic foliage and inflorescence of Canna iridiflora, a species noted for its large, glossy leaves and pendulous flower spikes. The juxtaposition of vibrant petals against the deep green foliage emphasizes the plant’s ornamental appeal.
Technique & Style
Knapp employs transparent washes to convey the smooth texture of the leaves and the subtle gradations of the petals. Fine linear detailing defines the flower’s tubular form, while a muted background gradient provides depth without distracting from the botanical focus.
History & Provenance
Created in 1850, the work belongs to a period when European botanists and artists documented exotic species for scientific and horticultural audiences. Knapp’s watercolours were widely circulated among botanical societies and collectors of the era.
Artist & collection












