Botanical Name: Lysimachia christiniae
Species: L. vulgaris
Synonyms: Lysimachusa vulgaris (L.) Pohl
Common Names: Garden loosestrife, Yellow loosestrife, or Garden yellow loosestrife.
Habitat : Lysimachia christiniae is native to Europe and Asia, including Britain, but excluding the extreme north and south. It grows on marshes, streams and in shallow water in reed swamps. Shady places near water, avoiding acid soils.
Lysimachia vulgaris is a perennial herb growing to 1.2 m (4ft). It is rhizomatous, with runners. Stem slightly ascending from base, unbranched, upper part fine-haired, lime green–reddish brown, often spotted.
Leaves: Whorled or opposite, almost stalkless. Leaf blade ovate–lanceolate, sharp-tipped, with entire margins, dark-spotted, underside fine-haired.
Fruit: Spherical, 5-valved, longer than calyx, approx. 4 mm (0.16 in.) long capsule.
It is in flower from Apr to September. Flowers: Corolla regular (actinomorphic), wheel-shaped, yellow, 8–16 mm (0.32–0.64 in.) wide, fused, short-tubed, 5-lobed, lobes with roundish tips, edge glabrous. Calyx lobes narrow, with reddish brown margins. Stamens 5. Pistil a fused carpel. Inflorescence a lax, terminal, compound raceme, flowers abundant in groups.
The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies, self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil and can grow in water.
An easily grown plant, succeeding in a moist or wet loamy soil in sun or partial shade. Prefers a shady position. Grows well in heavy clay soils. Hardy to at least -25°c. Most species in this genus seem to be immune to the predations of rabbits. A very ornamental plant. The sub-species L. vulgaris davurica. (Ledeb.)Kunth. is the form used for food in China and Japan.
Seed – sow spring or autumn in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring or autumn. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring. Basal cuttings, March to April in a cold frame. Harvest the shoots with plenty of underground stem when they are about 8 – 10cm above the ground. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.
Edible Uses: Young leaves are eaten.
It is anastringent herb, yellow loosestrife is principally used to treat gastro-intestinal conditions such as diarrhoea and dysentery, to stop internal and external bleeding and to cleanse wounds. The herb is astringent, demulcent and expectorant. It is harvested when in flower in July and dried for later use. The plant can be used internally or externally and is useful in checking bleeding of the mouth, nose and wounds, restraining profuse haemorrhages of any kind and in the treatment of diarrhoea. It makes a serviceable mouthwash for treating sore gums and mouth ulcers.
A yellow dye is obtained from the flowers. A brown dye is obtained from the rhizomes. The growing plant repels gnats and flies, it has been burnt in houses in order to remove these insects.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.