Salvia uliginosa

Salvia uliginosa, the bog sage, is a species of flowering plant in the family Lamiaceae, native to southern Brazil, Uruguay, and Argentina. It was described and named by botanist George Bentham for its typical habitat "of swamps and marshes", or uliginosa.[1]

Salvia uliginosa
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Salvia
Species:
S. uliginosa
Binomial name
Salvia uliginosa

Description

Salvia uliginosa is an herbaceous perennial growing up to 3 to 6 feet (0.91 to 1.83 m) tall in one season, with multiple thin stems and yellow-green lance-shaped leaves that have serrated edges. The plant quickly spreads on underground runners and is readily divided.

The bright azure-blue flowers are .5 inches (1.3 cm) long with a white beeline in the throat pointing toward the nectar and pollen. They grow in whorls beginning in summer until fall, with many flowers coming into bloom at the same time.

Cyanosalvianin, the blue pigment from the flowers of S. uliginosa, is a metalloanthocyanin, a complex formed of six molecules of the anthocyanin type, six molecules of the flavone type and two magnesium ions.[2]

Cultivation

Salvia uliginosa was introduced into horticulture in 1912, and has become popular in gardens and public landscapes for its azure-blue flowers, ability to grow under various conditions, and its pollinator habitat attributes.[1]

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[3][4]

References
  1. Clebsch, Betsy; Barner, Carol D. (2003). The New Book of Salvias. Timber Press. p. 295. ISBN 978-0-88192-560-9.
  2. Mori M; Kondo T; Yoshida K (December 2008). "Cyanosalvianin, a supramolecular blue metalloanthocyanin, from petals of Salvia uliginosa". Phytochemistry. 69 (18): 3151–8. doi:10.1016/j.phytochem.2008.03.015. PMID 18466933.
  3. "RHS Plant Selector - Salvia uliginosa". Retrieved 2 June 2013.
  4. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 95. Retrieved 14 October 2018.


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