Pelargonium graveolens L Herits profile
Pelargonium graveolens L Herits is popular for its volatile aroma and is used in essential oils such as geraniol, citronellol and linalol. Pelargonium graveolens L Herit s has a variety of smells, including rose, orange, mint, coconut and bean, with a variety of fruit. Because of easy cultivation management and high yield of essential oil, it can be used as a substitute for other essential oil with low yield.
Pelargonium graveolens L'Herit pircture
Pelargonium graveolens L'Herit's morphological characteristics
The Pelargonium graveolens L'Herit's is a perennial herb or shrubby, up to 1 m tall. Stems are erect, base lignified, upper fleshy, densely glossy pilose, fragrant.Leaves alternate. Stipules are broadly triangular or broadly ovate, 6-9 mm long, apex acute. The petiole is subequal to leaf blade pilose and leaf is blade suborbicular, basally cordate, 2-10 cm in diam., palmately 5-7 lobed to middle or near base, lobes rectangular or lanceolate, lobules margin irregularly lobed or serrated, both surfaces hispid.
Umbels are opposite leaves, longer than leaves, with 5-12 flowers. Bracts are ovate, pubescent, margin greenish. Pedicels are 3-8 mm or few sessile. Sepals are oblong, green, 6 -- 9 mm long, 2 -- 3 mm wide, apex acute, apart from 4 -- 9 mm long. Petals are rose or pink, twice as long as sepals, apex obtuse, upper 2 larger;Stamens subequal to sepals, distal extension. Carpels are fuzz.Capsule ca. 2 cm long, pilose. Flowering period is for May to July, and fruiting is from August to September.
Pelargonium graveolens L'Herit's growth habits
The Pelargonium graveolens L'Herit's is a perennial herb that grows most strongly at 2-3 years of age and begins to decline after 5 years.
Pelargonium graveolens L'Herit's is warm and drought tolerant, and afraid of waterlogging, and does not require much water. It is suitable to grow in neutral or slightly alkaline soil. The Pelargonium graveolens L'Herit's needs plenty of sunlight to grow. Light had a good effect on its development and the increase of essential oil content. The area with annual sunshine hours of 1100-1300 hours can basically meet its growth demand. However, under the condition of more than 1500h sunshine per year, the oil content increased significantly. Therefore, the choice of cultivation areas should be sunny enough to the main.Soil layer deep, loose texture, rich in humus of fertile sandy soil or loam. And the soil with heavy clay and low - lying drainage is not suitable for cultivation.Suitable planting areas are required to be below 1800 meters above sea level, with frost periods of less than 10 days.
Pelargonium Graveolens L'Herit's distribution.
The Pelargonium graveolens L'Herit's is native to Morocco, Algeria, France, Egypt and other countries. Introduced to Kunming plant in 1962, the plant was successfully cultivated in Kunming, Yuxi, Shiping, Binchuan and other places and has been cultivated in gardens all over China.
Pelargonium Graveolens L'Herit's main value
The botanical garden
The Pelargonium graveolens L'Herit's open field can be decorated with rock gardens, flower beds and flower borders. Potted plants can adorn sitting rooms, bedrooms, venues and other public places. It can also be used in cut flower production.
Economic
Pelargonium graveolens L'Herit's extracted from geranium geranium because of the volatile aroma in the stems, leaves and flowers. Its main ingredients are geraniol, rosacea, citronellol, linalool, etc., which can be used as a substitute for rose oil, used to modulate essence, perfume, as food oil, soap and toothpaste and other additives. Because of its high content of sesame oil , it becomes one of the important raw materials of the fragrance industry.