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Castor seeds have been found in Egyptian tombs dating back to 4000 BC; the slow-burning oil was mostly used to fuel lamps. Herodotus and other Greek travellers noted the use of castor seed oil for lighting, body ointments, and improving hair growth and texture. Cleopatra is reputed to have used it to brighten the whites of her eyes.
The agricultural cycle is the annual cycle of activities related to the growth and harvest of a crop (plant). These activities include loosening the soil, seeding, special watering, moving plants when they grow bigger, and harvesting, among others. Without these activities, a crop cannot be grown.
Afzelia africana seeds bearing orange elaiosomes Trillium recurvatum seeds. Elaiosomes (Ancient Greek: ἔλαιον élaion "oil" + σόμα sóma "body") are fleshy structures that are attached to the seeds of many plant species. The elaiosome is rich in lipids and proteins, and may be variously shaped.
Castor oil is a type of vegetable oil derived from the seeds of the castor bean plant (ricinus communis), which is naturally found in parts of Africa, India and South America, Dr. Joshua Zeichner ...
If you’re unfamiliar, castor oil is a vegetable oil that’s extracted from the seeds of the castor bean plant, a type of shrub found in Africa, South America, and India.
For example, geophytes growing in woodland under deciduous trees (e.g. bluebells, trilliums) die back to underground storage organs during summer when tree leaf cover restricts light and water is less available. [citation needed] However, perennating organs need not be storage organs.
Castor oil is a vegetable oil pressed from castor beans, the seeds of the plant Ricinus communis. [1] The seeds are 40 to 60 percent oil. [2] It is a colourless or pale yellow liquid with a distinct taste and odor. Its boiling point is 313 °C (595 °F) and its density is 0.961 g/cm 3. [3]
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