Geranium maderense, known as giant herb-Robert[2] or the Madeira cranesbill, is a species of flowering plant in the family Geraniaceae, native to the island of Madeira. It is sometimes confused with another Madeira endemic, Geranium palmatum.[3]

Geranium maderense
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Geraniales
Family: Geraniaceae
Genus: Geranium
Species:
G. maderense
Binomial name
Geranium maderense
Yeo

Growing to 120–150 cm (47–59 in) tall and wide, it is a mound-forming evergreen perennial with deeply divided ferny leaves. Spectacular pink flowers on hairy red stems are produced in large panicles in summer.[4] It is grown as an ornamental plant in temperate regions, where it is hardy in mild or coastal areas down to −5 °C (23 °F). It has gained the Royal Horticultural Society's Award of Garden Merit.[5][6]

References

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  1. ^ Fernandes, F. (2011). "Geranium maderense". IUCN Red List of Threatened Species. 2011: e.T162102A5537899. doi:10.2305/IUCN.UK.2011-1.RLTS.T162102A5537899.en. Retrieved 19 November 2021.
  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. ^ "Geranium palmatum versus Geranium maderense". The Frustrated Gardener. 6 June 2012. Retrieved 13 July 2020.
  4. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  5. ^ "Geranium maderense AGM". RHS Plant Finder. Royal Horticultural Society. Retrieved 14 July 2020.
  6. ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 43. Retrieved 2 March 2018.
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Geranium maderense, Palheiro Gardens, Madeira