Convolvulus tricolor

Convolvulus tricolor (syn. C. minor) is a species of flowering plant in the family Convolvulaceae, native to Mediterranean Europe. Common names include dwarf morning-glory,[1] tricolour convolvulus,[2] and belle de jour.

Dwarf morning glory
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Convolvulaceae
Genus: Convolvulus
Species:
C. tricolor
Binomial name
Convolvulus tricolor

Description

It is a short to medium annual plant with solitary long-stalked flowers. The flower is a tri-coloured funnel-shaped bloom about three centimeters wide, blue with white and a yellow centre.

Taxonomy

Synonyms

Subspecies

O. Bolòs et J. Vigoe distinguish Convolvulus tricolor ssp. pentapetaloides (L.) O.Bolòs & Vigo, found in the Balearic isles, from the type subspecies (Convolvulus tricolor ssp tricolor) by flowers that are smaller (7–10 mm), and both the calyx and the capsule having few or no hairs.[4]

Habitat

Common on cultivated land, dry open habitats, sandy places and roadsides. Soil must be warmed to at least 64 °F to grow without any issues.

Distribution

This flowering plant is native to the Mediterranean Basin, particularly the south, but it is occasionally seen in other areas of similar climate. In Spain it can be found in the Balearic Islands,[4] and Andalusia, especially in the Costa del Sol.[5]

Cultivation

Convolvulus tricolor is usually cultivated for ornamental purposes. The species[6] and the cultivar 'Blue Ensign'[7] have both received the Royal Horticultural Society's Award of Garden Merit.

References
  1. USDA, NRCS (n.d.). "Convolvulus tricolor". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 17 January 2016.
  2. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  3. Convolvulus tricolor Real Jardín Botánico: Proyecto Anthos
  4. Herbario Virtual: Convolvulus tricolor L. subsp. pentapetaloides
  5. García Guardia, G. (1988). Flores Silvestres de Andalucía. Alcorcón:Rueda. ISBN 84-7207-049-2.
  6. "Convolvulus tricolor". RHS. Retrieved 12 April 2020.
  7. "Convolvulus tricolor 'Blue Ensign'". RHS. Retrieved 12 April 2020.
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