Salvia leucantha

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Salvia leucantha
Salvia leucantha (Mexican Bush Sage).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Salvia
Species:
S. leucantha
Binomial name
Salvia leucantha

Salvia leucantha, the Mexican bush sage, is a herbaceous perennial plant that is native to subtropical and tropical conifer forests in central and eastern Mexico. The flowers are usually white, emerging from coloured bracts. It is not frost hardy, but is often grown in warmer latitudes for its prominent arching velvety blue or purple inflorescences. [1]

Contents

It grows up to 1.3 m (4.3 ft) high and 2 m (6.6 ft) wide, with numerous erect stems, often arching at their tips, and with long inflorescences. The linear-lanceolate leaves are a soft mid-green, with whitish, hairy undersides. [1]

Cultivation

This plant has ornamental value in the garden, and has gained the Royal Horticultural Society's Award of Garden Merit. [2] [3] It is a low-maintenance plant that grows best in full sun and moist but well-drained soils. Flowers attract butterflies, bees and hummingbirds. [4]

Etymology

The Latin specific epithet Leucantha means ‘white-flowered’. [5]

Uses

A recent analysis of the essential oil of S. leucantha found it to be rich in the sesquiterpene hydrocarbons ; β-caryophyllene, α-guaiene, cis-muurola-3,5-diene, germacrene D, and bicyclogermacrene. Bornyl acetate constituted 23.9% of the oil. [6]

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<i>Lavandula angustifolia</i> Species of plant

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<i>Salvia pratensis</i> Species of flowering plant

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<i>Salvia greggii</i> Species of flowering plant

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<i>Salvia microphylla</i> Species of shrub

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<i>Salvia cacaliifolia</i> Species of flowering plant

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<i>Salvia confertiflora</i> Species of flowering plant

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<i>Salvia nemorosa</i> Species of flowering plant

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Salvia × superba is a widely grown Salvia hybrid. Its origins are unknown, though it first appeared in cultivation, and its parents are believed to include Salvia × sylvestris and Salvia amplexicaulis. Salvia nemorosa has also been suggested as a direct parent or close relative, but with so many similarities between these species and hybrids, there is no conclusive evidence. It is often mistakenly called Salvia superba.

References

  1. 1 2 Clebsch, Betsy; Barner, Carol D. (2003). The New Book of Salvias. Timber Press. p. 171. ISBN   978-0-88192-560-9.
  2. "RHS Plant Selector - Salvia leucantha" . Retrieved 5 March 2021.
  3. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 94. Retrieved 12 October 2018.
  4. "Salvia leucantha - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2018-07-03.
  5. Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN   9780521866453 (hardback), ISBN   9780521685535 (paperback). pp 235, 339
  6. Negi, Anuradha; Javed, Mohammad S; Melkani, Anand B; Dev, Vasu; Beauchamp, Philip S (Sep–Oct 2007). "Steam Volatile Terpenoids from Salvia leucantha". Journal of Essential Oil Research. 19 (5): 463–465. doi:10.1080/10412905.2007.9699953. ISSN   1041-2905. S2CID   96218518.