Allergen profile

Allergen: Timothy Family name: Grasses Scientific name: Phleum pratense L. Family name latin: Poaceae   Description: Up to 1 m height, spiked meadow grass with uniform cylinder-shaped seed-head panicle; in contrast to simular-looking species alopecurus pratensis L., meadow foxtail, the individual seed-head with its short awns has the form of a boot-jack; perennial; flowering season: V - IX; rich fodder; nitrogen indicator;   Occurence: Widespread and common on fertile meadows and pastures up to an altitude of 1700 m;   Related species: Phleum alpinum L; widespread in the Alps (VI - VII); Phleum hirsutum Honck. (= Phleum michelii All.); widespread in the Alps (VII - VIII);   Allergy trigger: Pollen, 30 - 40 µm;   Invasions path: Inhalative (May - September);   Synonyms: Cat’s tail;   Allergology: Of high clinical importance due to its frequency; forms an antigen community with Poa pratensis, Secale cereale, Dactylis glomerata and Cynodon dactylon;   Immunology: Primary allergen: phl p I, MW 34 000; phl p II, MW 11 000; phl p IV, MW 54 000; phl p V, MW 29 000 - 31 000; Secondary allergen: phl p VI, MW 11 000; phl p VII, MW 54 000; phl p VIII, MW 12 000;   Exposure from: May   Exposure to: October   Clinical relevance: heavy   Cross reactivities: Occurrence frequently Kiwi Meadow fescue Ryegrass, perennial Tomato Rye-grass Bermuda grass Cocksfoot Blue grass, (Kentucky) Occurrence possible Onions Mugwort Latex Reed, common Johnson grass (Sudan grass) Couch grass Oats, common Birch, Weeping Vernal grass, scented Peach Rye flour Oat flour Chamomille, German Ash, common