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Lavandula angustifolia, formerly L. officinalis, is a flowering plant in the family Lamiaceae, native to the Mediterranean (Spain, France, Italy, Croatia etc.).Its common names include lavender, true lavender and English lavender [2] (though it is not native to England); also garden lavender, [3] common lavender and narrow-leaved lavender.
Lavandula latifolia.. Lavandula latifolia, known as broadleaved lavender, [3] spike lavender, aspic lavender or Portuguese lavender, is a flowering plant in the family Lamiaceae, native to the western Mediterranean region, from central Portugal to northern Italy through Spain and southern France.
Lavandula (common name lavender) is a genus of 47 known species of perennial flowering plants in the mints family, Lamiaceae. [1] It is native to the Old World, primarily found across the drier, warmer regions of mainland Eurasia, with an affinity for maritime breezes.
These are carotenoids and they provide colorations of yellow, brown, orange, and the many hues in between. The carotenoids occur, along with the chlorophyll pigments, in tiny structures called plastids, within the cells of leaves. Sometimes, they are in such abundance in the leaf that they give a plant a yellow-green color, even during the summer.
The first written record of the term floral color change was in 1877 when Charles Darwin (12 February 1809 – 19 April 1882) forwarded a letter from his colleague, naturalist Fritz Müller (31 March 1821 – 21 May 1897) to the British multidisciplinary science journal, Nature.
Lavandula dentata, the fringed lavender or French lavender, is a species of flowering plant in the family Lamiaceae, native to the Mediterranean basin, Eritrea, Ethiopia, Yemen, and the Arabian Peninsula. [1] Growing to 60 cm (24 in) tall, it has gray-green, linear or lance-shaped leaves with toothed edges and a lightly woolly texture. [2]
Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. [1] Chlorophyll degradation during leaf senescence reveals the carotenoids, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees.
Leaf scorch (also called leaf burn, leaf wilt, and sun scorch) is a browning of plant tissues, including leaf margins and tips, and yellowing or darkening of veins which may lead to eventual wilting and abscission of the leaf. [1]