These chemicals occur in oils of plants of the genus Allium, including garlic, onion and leek.
Epipactis helleborine (Broad-leaved Hellborine) was spreading up New Forge Lane and Allium triquetrum (Three-cornered Garlic) was recorded from Cranmore.
The three-cornered leek (Allium triquetrum) is a species of Allium that has been introduced into Australia where it has spread and become established in nutrient-deficient, damp habitats.
Twenty-five types of herb, including Allium, Thymus, Silene and Ferula species which are most popular, are used individually or as appropriate mixtures.
Wild leek is a common name for several plants in the genus Allium
Allium | Allium ampeloprasum | List of Allium species | Allium vineale | Allium ursinum | Allium siculum | Allium nigrum | Allium giganteum | Allium chinense |
The larvae feed on a wide range of plants, including Medicago sativa, Asteraceae, Fabaceae, Rubus, Poa, Andropogon, Brassica oleracea, Trifolium, Zea mays, Solidago, Hordeum pusillum, Avena, Allium, Ipomoea batatas, Nicotiana and Solanum lycopersicum.
The larvae are considered a pest on a wide range of tropical crops in South-East Asia, including Saccharum officinarum, Zea mays, Elaeis guineensis, Nicotiana tabacum, Arachis hypogaea, Sesamum, Hibiscus sabdariffa, Gossypium and Allium.
The larvae feed on a wide range of broad-leaved herbaceous plants, including Brassica oleracea, Trifolium, Fabaceae, Allium, Pisum sativum, Capsicum, Solanum tuberosum, Nicotiana, Solanum lycopersicum as well as various weeds.
In addition to common species such as Dog's mercury (Mercurialis perennis), Primrose (Primula vulgaris), Bluebell (Hyacinthoides non-scripta), Wood Anemone (Anemone nemorosa), Wood sorrel (Oxalis acetosella) and Ramsons (Allium ursinum), a number of scarce species are present.
Scallion, various members of the genus Allium that lack a fully developed bulb