Viola × williamsii

Viola × williamsii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Violaceae
Genus:	Viola
Species:	V. × williamsii
Binomial name
	Viola × williamsii; Wittr.[1]
Synonyms
	Viola × suecana Wittr.;

Viola × williamsii, known as hybrid horned pansy, tufted pansy, or just horned pansy, is a hybrid between Viola cornuta and V. × wittrockiana (which itself is a hybrid of V. tricolor, V. lutea and V. altaica).[1][2] It differs from V. cornuta in having wider, slightly overlapping petals, the lateral ones directed outwards or upwards, and more deeply dentate to laciniate stipules with the apical lobe clearly narrowed towards the base. It differs from V. × wittrockiana in at least one of the following characters: perennial habit, scented flowers and a longer spur.[3]

Gallery

References

Wittrock, Veit Brecher (1897). "Viola-studier I. Morfologisk-biologiska och systematiska studier öfver Viola tricolor (L.) och hennes närmare anförvandter". Acta Horti Bergiani. 2 (1): 117.
Wittrock, Veit Brecher (1895). "Viola-studier II. Bidrag till de odlade penséernas historia med särskild hänsyn till deras härkomst". Acta Horti Bergiani. 2 (7): 5–6.
Karlsson, Thomas; Marcussen, Thomas; Wind, Peter; Jonsell, Bengt (2010). "Violaceae". In Jonsell, Bengt; Karlsson, Thomas (eds.). Thymelaeaceae - Apiaceae. Flora Nordica. Vol. 6. Stockholm: Royal Swedish Academy Sciences. ISBN 9789186510619.

Bibliography

MBG (2020). "Viola cornuta". Plant finder. Retrieved 28 April 2020.
"Viola ×williamsii". Plant Encyclopaedia. Alpine Garden Society. 2018. Retrieved 28 April 2020.
"Viola, Horned Violet, Tufted Pansy 'King Henry'". Dave's Garden. 2020. Retrieved 28 April 2020.

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[Wittrock-1] Wittrock, Veit Brecher (1897). "Viola-studier I. Morfologisk-biologiska och systematiska studier öfver Viola tricolor (L.) och hennes närmare anförvandter". Acta Horti Bergiani. 2 (1): 117.

[2] Wittrock, Veit Brecher (1895). "Viola-studier II. Bidrag till de odlade penséernas historia med särskild hänsyn till deras härkomst". Acta Horti Bergiani. 2 (7): 5–6.

[3] Karlsson, Thomas; Marcussen, Thomas; Wind, Peter; Jonsell, Bengt (2010). "Violaceae". In Jonsell, Bengt; Karlsson, Thomas (eds.). Thymelaeaceae - Apiaceae. Flora Nordica. Vol. 6. Stockholm: Royal Swedish Academy Sciences. ISBN 9789186510619.