Digitalis canariensis

Digitalis canariensis is a member of the genus Digitalis.

Digitalis canariensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Digitalis
Species:
D. canariensis
Binomial name
Digitalis canariensis
Synonyms[2][3]

Taxonomy

This species is part of section Isoplexis, which was temporarily accepted as an own genus. The synonym Isoplexis canariensis also continues to be used. In general, as of 2017, opinions concerning the taxonomic state of Isoplexis species differ depending on the source.[2][3]

Description

Individuals of these species are small, evergreen plants growing into rounded shrubs up to 150 cm tall.[4] The plant has lanceolate-ovoid leaves with toothed margins. The leaves are spirally arranged. The inflorescence is a cluster of orange-reddish, 3 cm large flowers with short petals and noticeable upper lip and lower lip. Bird pollination by the island populations of Phylloscopus species has been documented. The fruit is a capsule.

D. canariensis, fruit

Digitalis canariensis contains cardenolids (cardiac glycosids),[5] which are toxic in the case of an overdose. Medical use is documented, primarily historical in nature.

Distribution

Digitalis canariensis is endemic to the Canary Islands) where it occurs on the islands of Tenerife, La Gomera and La Palma.[3][6] It grows in wooded areas in laurel forest and Erica arborea-covered woods.

References
  1. "Digitalis canariensis". International Plant Names Index. The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Botanic Gardens. Retrieved 25 November 2020.
  2. The Plant List. Isoplexis canariensis. Royal Botanic Gardens, Kew (2017-07-31)
  3. "Digitalis canariensis L." Plants of the World Online. Royal Botanic Gardens, Kew. 2017. Retrieved 25 November 2020.
  4. Brickell, Christopher, ed. (1989). The Royal Horticultural Society Gardeners' Encyclopaedia of Garden Plants. London: Dorling Kindersley Ltd. pp. 139, 496. ISBN 9780863183867.
  5. Studer, Pavanaram et al.: Die Glykoside der Blätter von Digitalis canariensis L. 1. Mitteilung, 1963.
  6. Marhold, Karol (2011). Greuter, Werner; von Raab-Straube, E. (eds.). "Details for: Isoplexis canariensis". Euro+Med Plantbase. Botanic Garden and Botanical Museum Berlin-Dahlem. Retrieved 25 November 2020.
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