Herbs & Plants

Lactuca indica dracoglossa

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Botanical Name: Lactuca indica dracoglossa
Family: Asteraceae
Tribe: Cichorieae
Genus: Lactuca
Kingdom: Plantae
Order: Asterales

Synonyms : L. dracoglossa. Makino.

Common Names: Indian Lettuce

Habitat : Lactuca indica dracoglossa is native to E. AsiaChina, Japan, India. It grows on Woodland Garden Sunny Edge; Dappled Shade;

Lactuca indica dracoglossa is an annual/biennial plant growing to 1 m (3ft 3in). It is cultivated with entire leaves it is sometimes grown for its edible leaves in Asia. It originated in China but is now cultivated in many parts of S.E. Asia.


The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

A plant of the moist tropics, where it can be grown at elevations up to 2,000 metres. It grows best in areas where annual daytime temperatures are within the range 22 – 34°c, but can tolerate 10 – 40°c. It prefers a mean annual rainfall in the range 1,500 – 2,500mm, but tolerates 1,000 – 3,000mm. Grows best in a sunny position. Prefers a light sandy loam, but succeeds in a wide range of well-drained, fertile soils. Prefers a pH in the range 5 – 6, tolerating 4.5 – 6.5.A first harvest of leaves can be taken after 30 – 60 days, when the plants are about 50cm tall.

Yields of the leaves may be up to 10 – 20 tonnes per hectare

Propagation: Seed – sow spring in situ and only just cover the seed. Germination is usually fairly quick.

Edible Uses: Leaves are eaten raw.

Medicinal Uses:
The plant is digestive and tonic. Although we have seen no specific reports for this species, most if not all members of the genus have a milky sap that contains the substance ‘lactucarium‘ and can probably be used as the report below details. The whole plant is rich in a milky sap that flows freely from any wounds. This hardens and dries when in contact with the air. The sap contains ‘lactucarium’, which is used in medicine for its anodyne, antispasmodic, digestive, diuretic, hypnotic, narcotic and sedative properties. Lactucarium has the effects of a feeble opium, but without its tendency to cause digestive upsets, nor is it addictive. It is taken internally in the treatment of insomnia, anxiety, neuroses, hyperactivity in children, dry coughs, whooping cough, rheumatic pain etc. Concentrations of lactucarium are low in young plants and most concentrated when the plant comes into flower. It is collected commercially by cutting the heads of the plants and scraping the juice into china vessels several times a day until the plant is exhausted. An infusion of the fresh or dried flowering plant can also be used[9]. The plant should be used with caution, and never without the supervision of a skilled practitioner. Even normal doses can cause drowsiness whilst excess causes restlessness and overdoses can cause death through cardiac paralysis. Some physicians believe that any effects of this medicine are caused by the mind of the patient rather than by the medicine. The sap has also been applied externally in the treatment of warts.

Known Hazards: Although no specific mention of toxicity has been seen for this species, many plants in this genus contain a narcotic principle, this is at its most concentrated when the plant begins to flower. This principle has been almost bred out of the cultivated forms of lettuce but is produced when the plant starts to go to seed.
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.

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