Hypericum forrestii

Hypericum forrestii is a species of flowering plant in the family Hypericaceae native to China and Myanmar. It is known as Forrest's tutsan[1] and Forrest's St. John's wort. It was named in honour of the Scottish botanist George Forrest (1873-1932), who was the first westerner to discover it. The species has gained the Royal Horticultural Society's Award of Garden Merit.[2]

Hypericum forrestii
Cultivated specimen
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Ascyreia
Species:
H. forrestii
Binomial name
Hypericum forrestii

Description

It is a semi-evergreen shrub growing to 1.2 m (4 ft) tall by 1.5 m (5 ft) broad. It has oval leaves which turn red in autumn and bowl-shaped yellow flowers with prominent stamens in late summer.[3][4]

Distribution

Forrest's St. John's wort is native to Yunnan and Sichuan provinces in China, and northeastern Myanmar. It has been recorded as a garden escape in locations in the British Isles,[5] and as an invasive species.[6] It may be under-recorded due to confusion with other St. John's wort species such as Hypericum 'Hidcote'.[5]

References
  1. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. "RHS Plant Selector - Hypericum forrestii". Retrieved 7 September 2020.
  3. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
  4. "Hypericum forrestii". Plants for a future. Retrieved 23 June 2013.
  5. "Hypericum forrestii (Forrest's Tutsan)". Online Atlas of the British and Irish flora. Biological Records Centre. Retrieved 23 June 2013.
  6. "Hypericum forrestii". Invasive Species Compendium. CAB International. Retrieved 23 June 2013.
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