Croton lechleri - M?ll.Arg.
Common Name Sangre De Grado, Dragon's blood
Family Euphorbiaceae
USDA hardiness 10-12
Known Hazards None known
Habitats Secondary forest.
Range S. America - Peru, Ecuador, Colombia.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Tender Moist Soil Full sun

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Sangre de Grado (Croton lechleri) is a flowering plant with a broad but open crown native to north western South America. It grows up to 20 meters in height with bole diameter of usually 30 cm. It is also known as Sangre de Drago. It is characterized by its thick red latex that has medicinal properties. It is used as a liquid bandage for wounds and other skin-related injuries and disorders. It is an effective antiviral treatment and is also used in the treatment of tumours. Native to northwestern South America. Also known as: Sangre de Grado (Peruvian Spanish), Sangre de Drago (Ecuadorian Spanish), Dragon's blood.

Croton lechleri Sangre De Grado, Dragon

Dick Culbert flickr
Croton lechleri Sangre De Grado, Dragon
por natikka
Physical Characteristics
 icon of manicon of cone
Croton lechleri is an evergreen Tree growing to 12 m (39ft) by 12 m (39ft) at a fast rate.
It is hardy to zone (UK) 10. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.

Croton draco cordatus M?ll.Arg. Oxydectes lechleri (M?ll.Arg.) Kuntze

Edible Uses
None known
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Sangre de grado is a common name for several trees in the genus Croton - all have a red sap and can be used interchangeably. The red sap or latex (and also its bark) has a long history of indigenous use in the rainforest and in South America. The curative power of the sap was widely known throughout the indigenous tribes of Mexico, Peru, and Ecuador. Modern research has shown that it is a very effective treatment for a wide range of injuries and disorders, particularly relating to the skin; both internal and external ulcers; is an effective antiviral and also helps in the treatment of tumours[ 318 ]. The resin or sap is a storehouse of phytochemicals including proanthocyanidins (antioxidants), simple phenols, diterpenes, phytosterols, and biologically active alkaloids and lignans Scientists have attributed many of the biologically active properties of the sap (especially its wound-healing capacity) to two main 'active' constituents: an alkaloid named taspine, and a lignan named dimethylcedrusine[ 318 ]. Taspine has been shown to have anti-inflammatory, antitumor and antiviral actions, and to be active against the herpes virus[ 318 ]. The lignan ?dimethylcedrusine? has been shown to play a central role in the resin?s effective wound-healing action. The study revealed that the crude resin stimulated contraction of wounds, helped in the formation of a crust/scab at the wound site, regenerated skin more rapidly, and assisted in the formation of new collagen[ 318 ]. Other phytochemicals, including phenolic compounds, proanthocyanadins, and diterpenes, have shown potent antibacterial activity (against E. Coli and Bacillus subtilis) as well as wound-healing properties[ 318 ]. Research has shown that the resin is a potent, cost-effective treatment for gastrointestinal ulcers and distress via antimicrobial, anti-inflammatory, and sensory afferent-dependent actions[ 318 ]. The resin has also shown an in vitro effect against stomach cancer and colon cancer cells[ 318 ]. It inhibits the growth of a human myelogenous leukaemia cell line and also prevents cells from mutating in test tube studies[ 318 ]. The sap is antibacterial, antifungal, antiinflammatory, antimicrobial, antipruritic, antitumor, haemostatic and vulnerary[ 318 ]. It is used internally in the treatment of intestinal and stomach ulcers; upper respiratory viruses; stomach viruses; and HIV[ 318 , 355 ]. For internal use, the traditional remedy is 10 - 15 drops in a small amount of liquid, taken 1-3 times daily (be prepared, however; it tastes quite dreadful)[ 318 ]. It is taken as a douche for relieving vaginal discharge[ 318 ]. The sap is painted on wounds to staunch bleeding, to accelerate healing, and to seal and protect injuries from infection. The sap dries quickly and forms a barrier, much like a ?second skin?. It is used as a treatment on wounds, insect bites and stings, skin disorders, fractures, and haemorrhoids., Other uses include treating inflamed or infected gums, in vaginal baths before and after childbirth, for haemorrhaging after childbirth, and for a wide range of skin disorders[ 318 , 355 ]. For external use, the resin is rubbed directly on the affected area several times daily and allowed to dry. Please note: the resin is red! It will temporarily stain the skin a reddish-brown (which will wash off), but it will permanently stain clothing. Rubbing the resin in the palm of the hand first or directly where applied will thicken the resin into a thin, lighter coloured paste, which helps form a second skin on top of a wound or rash and reduces staining[ 318 ].


Other Uses
Agroforestry Uses: The tree has an open, though broad crown. It intercrops well with smaller trees[ 355 ]. Other Uses: None known
Cultivation details
Grows best in a well-drained, fertile soil[ 355 ]. A fast-growing tree[ 355 ].
Seed - Seedlings are very delicate and frequently die or succumb to grasshoppers in the wild[ 355 ].
Other Names
Sangre de Grado (Croton lechleri). Also known as: Sangre de Grado (Peruvian Spanish), Sangre de Drago (Ecuadorian Spanish), Dragon's blood.
Found In
Native to northwestern South America
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

None Known
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Chrozophora tinctoriaDyer's Croton, Giradol10
Croton megalocarpusCroton tree02
Croton palanostigmaSangre De Grado, Dragon's blood04
Croton salutarisSangre De Grado, Dragon's blood04


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A special thanks to Ken Fern for some of the information used on this page.
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Subject : Croton lechleri  

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