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Strong Smelling Inula

Dittrichia viscosa (L.) W. Greuter

Distribution in Egypt

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Nile Valley North of Nubia (Location: Delta), Mareotic Sector, North Sinai, Mountainous Southern Sinai.

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Life Expectancy

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Perennail.

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Associations

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Foodplant / gall
larva of Myopites inulaedyssentericae causes gall of capitulum of Dittrichia viscosa
Remarks: Other: uncertain

Foodplant / spot causer
amphigenous colony of Ramularia hyphomycetous anamorph of Ramularia cupulariae var. inulae-britannicae causes spots on live leaf of Dittrichia viscosa

Foodplant / internal feeder
larva of Trupanea stellata feeds within capitulum of Dittrichia viscosa
Remarks: Other: uncertain

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Dittrichia viscosa

provided by wikipedia EN

Dittrichia viscosa, also known as false yellowhead,[2] woody fleabane,[3] sticky fleabane and yellow fleabane, is a flowering plant in the daisy family.

Dittrichia viscosa is a highly branching perennial common throughout the Mediterranean Basin. It has long, narrow leaves that are pointed at both ends and have teeth along the edges and glandular hairs on the surfaces. One plant can produce many yellow flower heads each with as many as 16 ray florets and 44 disc florets.[4]

Originally, the species was found mainly in dry riverbeds and abandoned fields up to a 1500 m (5000 feet) elevation. Nowadays it is quite common in roadsides and ruderal habitats, even in urban areas. It is considered an invasive species in Australia.[5] The false yellowhead is a tough plant, very resistant to adverse conditions and degraded environments. It is important as food for the caterpillars of certain butterflies and moths, like Iolana iolas. The galls of the plants also are habitat for Myopites stylatus and Myopites inulaedyssentericae, both predators on the olive fly, which may be cause for its name in Catalán: Olivarda.[6]

Despite the fresh-looking green color of its leaves and its attractive inflorescence,[7] this plant is sticky and has a certain smell that most people find unpleasant. It contains an essential oil[8] and has been used in traditional medicine since ancient times, especially in the Levant, as an astringent.[9] A yellow dye substance has, since ancient times, been produced from its roots.[10]

It is an important plant in Catalan tradition, often mentioned in adages and proverbs. One adage says that: "No vos 'nemoreu, amor,de cap fadrina gallarda que és com la flor d'olivarda molt guapa, i dolenta d'olor." [My dear one, don't fall in love with any woman who only has good looks, she is like a false yellowhead flower: beautiful, but full of stench.]

Subspecies[1]
  • Dittrichia viscosa subsp. angustifolia (Bég.) Greuter
  • Dittrichia viscosa subsp. maritima (Brullo & De Marco) Greuter
  • Dittrichia viscosa subsp. revoluta (Hoffmanns. & Link) P.Silva & Tutin
  • Dittrichia viscosa subsp. viscosa

Leaves, flowers and fruits

References

  1. ^ a b The Plant List, Dittrichia viscosa (L.) Greuter
  2. ^ USDA, NRCS (n.d.). "Dittrichia viscosa". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 January 2016.
  3. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  4. ^ Malta Wild Plants, false yellowhead, Dittrichia viscosa includes photos, description, etymology, and other information
  5. ^ Weeds Australia, False yellowhead (Dittrichia viscosa) weed management guide (in English)
  6. ^ http://www.floracatalana.cat/flora/relacions-imatges?field_referencia_imatge_rel_value=VTax3046-Org124&field_tipus_de_relacio_target_id=&field_escala_rel_value=All
  7. ^ Institució Catalana d'Història Natural, Flora del Bages - Olivarda in Catalan with photos
  8. ^ Ses Sitges, Sant Llorenç des Cardassar, Plantes aromàtiques Archived January 7, 2010, at the Wayback Machine in Italian, with photos and descriptions of several aromatic herbs
  9. ^ Avisco Ltd., Traditional medicine uses of Inula viscosa
  10. ^ Ḳrispil, Nissim (1985). A Bag of Plants (The Useful Plants of Israel) (in Hebrew). Vol. 3 (Ṭ.-M.). Jerusalem: Cana Publishing House Ltd. pp. 359–363. ISBN 965-264-011-5. OCLC 959573975., s.v. Inula viscosa; syn. Dittrichia viscosa

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Dittrichia viscosa: Brief Summary

provided by wikipedia EN

Dittrichia viscosa, also known as false yellowhead, woody fleabane, sticky fleabane and yellow fleabane, is a flowering plant in the daisy family.

Dittrichia viscosa is a highly branching perennial common throughout the Mediterranean Basin. It has long, narrow leaves that are pointed at both ends and have teeth along the edges and glandular hairs on the surfaces. One plant can produce many yellow flower heads each with as many as 16 ray florets and 44 disc florets.

Originally, the species was found mainly in dry riverbeds and abandoned fields up to a 1500 m (5000 feet) elevation. Nowadays it is quite common in roadsides and ruderal habitats, even in urban areas. It is considered an invasive species in Australia. The false yellowhead is a tough plant, very resistant to adverse conditions and degraded environments. It is important as food for the caterpillars of certain butterflies and moths, like Iolana iolas. The galls of the plants also are habitat for Myopites stylatus and Myopites inulaedyssentericae, both predators on the olive fly, which may be cause for its name in Catalán: Olivarda.

Despite the fresh-looking green color of its leaves and its attractive inflorescence, this plant is sticky and has a certain smell that most people find unpleasant. It contains an essential oil and has been used in traditional medicine since ancient times, especially in the Levant, as an astringent. A yellow dye substance has, since ancient times, been produced from its roots.

It is an important plant in Catalan tradition, often mentioned in adages and proverbs. One adage says that: "No vos 'nemoreu, amor,de cap fadrina gallarda que és com la flor d'olivarda molt guapa, i dolenta d'olor." [My dear one, don't fall in love with any woman who only has good looks, she is like a false yellowhead flower: beautiful, but full of stench.]

Subspecies Dittrichia viscosa subsp. angustifolia (Bég.) Greuter Dittrichia viscosa subsp. maritima (Brullo & De Marco) Greuter Dittrichia viscosa subsp. revoluta (Hoffmanns. & Link) P.Silva & Tutin Dittrichia viscosa subsp. viscosa
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