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A plant which completes its life cycle (i.e. germinates, reproduces, and dies) within two years or growing seasons. Biennial plants usually form a basal rosette of leaves in the first year and then flower and fruit in the second year. bifid Forked; cut in two for about half its length. Compare trifid. bifoliate
It is an herbaceous biennial plant growing from a deeply growing, thin, whitish taproot scented like horseradish. In their first years, plants are rosettes of green leaves close to the ground; these rosettes remain green through the winter and develop into mature flowering plants the following spring. Second-year plants often grow from 30–100 ...
Essential oil of Eucalyptus A glass vial containing sandalwood oil Davana essential oil Vial of Tanacetum annuum oil (blue tansy) Essential oils are volatile and liquid aroma compounds from natural sources, usually plants. They are not oils in a strict sense, but often share with oils a poor solubility in water.
Aloysia citrodora, lemon verbena, is a species of flowering plant in the verbena family Verbenaceae, native to South America. Other common names include lemon beebrush . [ 2 ] It was brought to Europe by the Spanish and the Portuguese in the 17th century and cultivated for its oil.
Woad plants Fruits of Isatis tinctoria. Isatis tinctoria, also called woad (/ ˈ w oʊ d /), dyer's woad, dyer's-weed, or glastum, is a flowering plant in the family Brassicaceae (the mustard family) with a documented history of use as a blue dye and medicinal plant. Its genus name, Isatis, derives from the ancient Greek word for the plant ...
The terebinth is a deciduous flowering plant belonging to the cashew family, Anacardiaceae; a small tree or large shrub, it grows to 10 m (33 ft) tall.The leaves are compound, 10–20 cm (3.9–7.9 in) long, odd pinnate with five to eleven opposite glossy oval leaflets, the leaflets 2–6 cm (0.79–2.36 in) long and 1–3 cm (0.39–1.18 in) broad.
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The plant grows to a height of up to 1 metre (3 + 1 ⁄ 2 feet), and has a deep root system, sometimes growing to a depth of more than 15 m (49 ft) to reach groundwater. Typically the root system grows to a depth of 2–3 m (7–10 ft) depending on subsoil constraints.