Hypericum lanuginosum, or downy St. John's wort,[4] is a perennial herb, a flowering plant in the St. John's wort family Hypericaceae.

Hypericum lanuginosum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: Hypericum sect. Adenosepalum
Species:
H. lanuginosum
Binomial name
Hypericum lanuginosum
Synonyms
  • Hypericum gracile
  • Hypericum lanuginosum

subsp. gracile

  • Hypericum lanuginosum subsp. millepunctatum
  • Hypericum lanuginosum var. pestalozzae[2]
  • Hypericum lanuginosum var. scabrellum
  • Hypericum lanuginosum var. β gracile
  • Hypericum lanuginosum var. lanuginosum[3]
  • Hypericum pestalozzae
  • Hypericum scabrellum

Description

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The species grows from 10 to 80 centimeters tall. It has a woody rootstock with few stems. Its leaves have dense whitish veins and are subglabrous on both surfaces. The stems are green and terete and have 2-4 lined internodes. The dimensions of the leaves are 15–60 mm by 5–25 mm. Its flowers are 15–20 mm in diameter and are rounded.[5]

Distribution and habitat

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Hypericum lanuginosum is found in Sinai, Southern Turkey, Western Syria, Lebanon, Israel, Jordan, and Cyprus.[6] Its habitat is in moist, shady areas, usually by rocks, 0–2400 meters from sea level.[7]

References

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  1. ^ Tropicos.org. Missouri Botanical Garden. 27 Sep 2016 Hypericum Lanuginosum
  2. ^ TUBIVES Turkish Taxonomy
  3. ^ Flora of Cyprus
  4. ^ Royal Horticultural Society
  5. ^ Hypericum MySpecies
  6. ^ Studies in the genus Hypericum L. (Guttiferae) 6. Sections 20. Myriandra to 28. Elodes
  7. ^ Flora of Israel Online