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Botanical Name :Helianthemum canadense (L.) Michx.
Family: Cistaceae
Genus: Helianthemum
Kingdom: Plantae
Order: Malvales
Syn.: Cistus canadensis
Common Names:rock rose, sunrose, or rushrose
Habitat : Helianthemum canadense is native to Eastern N. America – Maine to Ontario and Wisconsin, south to North Carolina and Mississippi. It grows in Open woods, clearings and barrens in dry sandy soils
Description:
Helianthemum canadense is a perennial plant growing to 0.4 m (1ft 4in).The leaves are opposite, simple oval, 1–4 cm long and 0.5–2 cm broad, varying from glossy green to tomentose grey-green. The flowers are 2–4 cm diameter, with five petals, white or yellow, occasionally tinged pink; in some species the flowers are bicoloured with a brighter yellow centre to act as a ‘target’ for pollinating insects.
It is hardy to zone 7. It is in flower from May to July. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects, cleistogamy.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It prefers dry or moist soil.
Cultivation :
Requires a light well-drained soil in a sunny open position[200]. Tolerates a pH range from 5.5 to 8.
Propagation:
Seed – sow spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood, 6 – 8cm with a heel, late summer in a sandy soil in a frame.
Medicinal Uses:
Alterative; Antiscrophulatic; Astringent; Cancer; Tonic.
Rock rose was once a common botanical medicine in early America, mostly used by the Eclectics at the turn of the last century. Its most prominent modern use is in the homeopathic Balch flower remedies. Rose rose rescue remedy is recommended for fear and panic. The European rockwort, (Cistus Creticus, Linn.) is a source of the gum resin ladanum, and used as an ethical alternative to ambergris in the perfumery industry. The gum resin was once used in medicine as a emmenagogue and stimulant to the mucus membranes in treating coughs and colds.
“Cistus (Rock rose) has been long held in repute as a remedy for scofula and for many disorders.. especially for such persons needing as astringent,tonic, or alternative in cases of diarrhoea, ulcers, syphillis and the like. The prepartion in the Eclectic Materia Medica is Decoctum Heliantemi ”
The dried leaves are alterative, antiscrofulatic, astringent and tonic. A tea made from the leaves is used in the treatment of kidney ailments and sore throats. A strong leaf tea has been used in the treatment of scrofula. It is applied externally to skin diseases and eye infections. It is said that an oil helpful in the treatment of cancer has been obtained from the plant. Some caution is advised since an overdose can cause nausea and vomiting.
Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider
Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider
Resources:
http://www.pfaf.org/user/Plant.aspx?LatinName=Helianthemum+canadense
http://www.anniesremedy.com/herb_detail557.php
http://en.wikipedia.org/wiki/Helianthemum
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