Anthropogenic ... the fruit is a capsule (splits along two or more seams, apical teeth or pores when dry, to release two or more seeds) Hairs on fruit the fruits are not hairy Undemanding, this Yellow Loosestrife spreads by rhizomes to form colonies, but will only occasionally produce seed and will not come true from seed. Habitat Lysimachia vulgaris is a marginal plant and thrives in wet peaty soil beside spate rivers, lakes and marshes, and it can be found flowering almost anywhere in damp habitats in high summer. 80cm. Yellow loosestrife (Lysimachia punctata) plants form a bushy, fast-spreading clump of green leaves, with loose spikes of bright-yellow starry flowers appearing in early to mid-summer.The flowers rise above whorls of light green serrated leaves. Plant database entry for Yellow Loosestrife (Lysimachia punctata) with 32 images, one comment, and 7 data details. In my partial sun garden yellow loosestrife puts on a dependable long flower in the summer. They are an invasive species in many areas in Northern America, and growing them is banned in the garden. Yellow loosestrife (Lysimachia vulgaris) is a lovely tall British native perennial with whorls of broad lanceolate mid-green almost stalkless leaves and clusters of bright yellow cup-shaped flowers with pointed petals 1.5 – 2cm across throughout July and August. Similar species: There are a number of native wetland plants in the same family as garden yellow loosestrife that also have yellow flowers (L. quadrifolia, terrestris, ciliata and lanceolata). For best results, sow Garden loosestrife has a cousin, (Lysimachia punctata) that is also called garden or yellow loosestrife, which looks very similar. Fruits & seeds: Egg-shaped capsules contain a few seeds. This plant has been used medicinally in Asia to treat high blood pressure. A superb, long-lived cottage garden flower that also does well by water! Purple loosestrife has spread rapidly across North America and is present in nearly every Canadian province and almost every U.S. state. No comprehensive study has yet been made of its medicinal properties, but traditionally it has been used to treat bleeding and wounds. The small yellow flowers have 5 petals. Seed Collection: Small, about .15″ seed capsules replace fertile flowers, with a few triangular seeds each that … The small yellow flowers have 5 petals. Brown dye is obtained from the rhizomes. It does spread, but very gradually and is easily controlled by pulling it, its roots are shallow. Lysimachia vulgaris, garden loosestrife, is more likely to be found in wetland areas and has flowers that cluster at the top of the plant. Similar species: Garden yellow loosestrife (Lysimachia vulgaris) is a non-native, wetland garden escapee with yellow flowers. It can be quite invasive and is banned in some states as a noxious weed. 63. Yellow Loosestrife and Other Wild Flowers-Canvas Art-20.647"x30" Perennial roots produce stiff spikes of funnel-shaped golden flowers which appear throughout the summer and early autumn. "Large Yellow Loosestrife" has been a cottage garden favourite since ancient times. Perennial roots produce stiff spikes of funnel-shaped golden flowers which appear throughout the summer and early autumn. Characteristics. It prefers full sun and moist fertile soil. Find help & information on Lythrum salicaria purple loosestrife from the RHS They are excellent for long lasting, cut flower bouquets. Good border plant. Large Yellow Loosestrife has been a cottage garden favorite since ancient times. Yellow Loosestrife is common throughout Britain and Ireland and can also be found in many mainland European countries, including Slovenia.