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Dodder
''Cuscuta'' (), commonly known as dodder or amarbel, is a genus of over 201 species of yellow, orange, or red (rarely green) parasitic plants. Formerly treated as the only genus in the family Cuscutaceae, it now is accepted as belonging in the morning glory family, Convolvulaceae, on the basis of the work of the Angiosperm Phylogeny Group. The genus is found throughout the temperate and tropical regions of the world, with the greatest species diversity in subtropical and tropical regions; the genus becomes rare in cool temperate climates, with only four species native to northern Europe. Folk names include strangle tare, strangleweed, scaldweed, beggarweed, lady's laces, fireweed, wizard's net, devil's guts, devil's hair, devil's ringlet, goldthread, hailweed, hairweed, hellbine, love vine, pull-down, angel hair, and witch's hair. Description ''Cuscuta'' can be identified by its thin stems appearing leafless, with the leaves reduced to minute scales. In these respects it cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Parasitic Plant
A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All Parasite, parasitic plants develop a specialized organ called the haustorium, which penetrates the host plant, connecting them to the host vasculature—either the xylem, phloem, or both. For example, plants like ''Striga'' or ''Rhinanthus'' connect only to the xylem, via xylem bridges (xylem-feeding). Alternately, plants like ''Cuscuta'' and some members of ''Orobanche'' connect to both the xylem and phloem of the host. This provides them with the ability to extract resources from the host. These resources can include water, nitrogen, carbon and/or sugars. Parasitic plants are classified depending on the location where the parasitic plant latches onto the host (root or stem), the amount of nutrients it requires, and their photosynthetic capability. Some parasitic plants can locate their host ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Cuscuta Europaea
''Cuscuta europaea'', the greater dodder or European dodder, is a parasitic plant native to Europe, which belongs to the family Convolvulaceae, but was formerly classified in the family Cuscutaceae. It grows on Asteraceae, Cannabaceae, Amaranthaceae, Fabaceae, Urticaceae and other herbaceous plants, including garden plants such as '' Coleus'' and ''Impatiens'', and more occasionally on '' Humulus''. It is a notable parasite of lucerne (''Medicago sativa''). In many regions, including the Nepal Eastern Himalayas, this species are used as traditional medicine to treat hepatic diseases. Description The long thin stems of ''C. europaea'' are yellowish or reddish. They have an inflorescence that is produced laterally along the stems, the flowers are arranged in compact glomerules with few to many flowers. The pedicels are up to long. The 1.5 mm calyx is cup-shaped with 4 or 5 sepals that are triangular-ovate in shape. The corolla is pink, with 4 or sometime 5 lobes. The c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Cassytha
''Cassytha'' is a genus of some two dozen species of obligately parasitic vines in the family Lauraceae. Superficially, and in some aspects of their ecology, they closely resemble plants in the unrelated genus ''Cuscuta'', the dodders.Weber, J. Z. A TAXONOMIC REVISION OF CASSYTHA (LAURACEAE) IN AUSTRALIA. J. Adelaide Bot. Gard. 3(3): 187-262(1981JSTOR/ref> When fruit and flowers are absent in the field, the physical resemblance is so close that few people without technical training can discern the difference. In this respect and in their ecology the two genera present a spectacular example of convergent evolution.Nickrent, D. L. 2002. Phylogenetic Origins of Parasitic Plants. Chapter 3, pp. 29–56 In J. A. López-Sáez, P. Catalán and L. Sáez ds. Parasitic Plants of the Iberian Peninsula and Balearic Islands. Mundi-Prensa, Madrid. Nonetheless, Nickrent comments that "''Cassytha'' is uneqivocally assigned to Lauraceae based on (both) morphological and molecular data." I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Ayurveda
Ayurveda (; ) is an alternative medicine system with historical roots in the Indian subcontinent. It is heavily practised throughout India and Nepal, where as much as 80% of the population report using ayurveda. The theory and practice of ayurveda is pseudoscientific and toxic metals including lead and Mercury (element), mercury are used as ingredients in many ayurvedic medicines. Ayurveda therapies have varied and evolved over more than two millennia. Therapies include herbal medicines, Dieting#Detox, special diets, Meditation#Hinduism, meditation, yoga, massage, Laxative#Historical and health fraud uses, laxatives, Enema#Alternative medicine, enemas, and medical oils. Ayurvedic preparations are typically based on complex herbal compounds, minerals, and metal substances (perhaps under the influence of early Indian alchemy or ''rasashastra''). Ancient ayurveda texts also taught surgical techniques, including rhinoplasty, lithotomy, sutures, cataract surgery, and the extraction ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Flower
Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, modified leaves; corolla, the petals; androecium, the male reproductive unit consisting of stamens and pollen; and gynoecium, the female part, containing style and stigma, which receives the pollen at the tip of the style, and ovary, which contains the ovules. When flowers are arranged in groups, they are known collectively as inflorescences. Floral growth originates at stem tips and is controlled by MADS-box genes. In most plant species flowers are heterosporous, and so can produce sex cells of both sexes. Pollination mediates the transport of pollen to the ovules in the ovaries, to facilitate sexual reproduction. It can occur between different plants, as in cross-pollination, or between flowers on the same plant or even the same f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Seed
In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be Sowing, sown, which may include seed and husk or tuber. Seeds are the product of the ripened ovule, after the embryo sac is fertilization, fertilized by Pollen, sperm from pollen, forming a zygote. The embryo within a seed develops from the zygote and grows within the mother plant to a certain size before growth is halted. The formation of the seed is the defining part of the process of reproduction in seed plants (spermatophytes). Other plants such as ferns, mosses and marchantiophyta, liverworts, do not have seeds and use water-dependent means to propagate themselves. Seed plants now dominate biological Ecological niche, niches on land, from forests to grasslands both in hot and cold climates. In the flowering plants, the ovary ripens into a fruit which contains the seed and serves to disseminate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Cuscuta Reflexa
''Cuscuta reflexa'', the giant dodder or ulan ulan, is one of about 220 species in genus ''Cuscuta'' of the morning glory family (Convolvulaceae). It is common in the Indian subcontinent and the Greater Himalayas and as far south as Malaysia and Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, .... This parasitic plant species is a leafless twined sprawling thin vine that grows over a host plant, including large trees. It will make garlands hanging down from tree canopies as long as . Flowers are small, bell shaped and white with yellow filaments. Fruits and seeds are produced from the flower. Gallery File:Cuscuta reflexa moodillathali flowers.jpg, ''Cuscuta reflexa'' flowers References {{Taxonbar, from=Q10937599 reflexa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |