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What is the scientific name of sundew?

Drosera, which is commonly known as the sundews, is one of the largest genera of carnivorous plants, with at least 194 species. These members of the family Droseraceae lure, capture, and digest insects using stalked mucilaginous glands covering their leaf surfaces.

Is the Sundew an endangered species?

Some species of sundew are listed as threatened or endangered in specific states. The primary threat to sundews is loss of wetland habitat.

What is the phylogeny of the sundew?

"Phylogeny of the sundews, Drosera (Droseraceae), based on chloroplast rbcL and nuclear 18S ribosomal DNA Sequences". American Journal of Botany. 90 (1): 123–130. doi: 10.3732/ajb.90.1.123.

What makes a sundew plant unique?

The shape, size, color, and mobility of the leaves vary across varieties yet each is densely covered with small tentacle-like hairs with singular drops of dew at their tips. The multitude of dew drops (healthy plants can have hundreds of dew drops) make the sundew a breathtaking beauty and a sticky death trap for small insects.

What is the meaning of the term "sundews"?

Sundews: Diminutive, but Deadly. In 1860, a year after publication of his seminal work on the origin of species, Charles Darwin wrote to a friend, “At the moment, I care more about Drosera than the origin of all the species in the world.”.

Where does the English Sundew live?

The English sundew, an endangered species, lives only in the northern reaches of Maine. The threadleaf sundew, listed as threatened, grows in southern parts of Massachusetts and Connecticut and in parts of New York, New Jersey, and Pennsylvania. The spatulate sundew and the roundleaf sundew grow throughout the region.

How long does it take for a sundew to die?

The insect dies within about 15 minutes, either from exhaustion or by suffocation as the glue-like mucilage plugs its breathing tubes. The sundew’s glands then secrete a cocktail of acids and digestive enzymes that cover the entire insect, initiating a digestive process that lasts from 2 to 14 days.

What is the function of sundew in plants?

The soft parts of the insect are dissolved, releasing a nutrient- and mineral-laden soup which the sundew absorbs through its leaf surfaces to supplement the plant’s growth and aid in flowering. At the end of the process the undigested exoskeleton is all that remains of the hapless victim.

What is a round leaf sundew?

The roundleaf sundew is a diminutive plant and easy to overlook, especially when growing among sphagnum moss, a common associate. The nearly round, green leaves grow close to the ground in a radiating rosette pattern measuring 1 to 3 inches in diameter.

Where do sundews live?

Sundews around the world are highly vulnerable to over-collecting and habitat loss. Sundews are perennials, and North American species typically inhabit acidic soils found in temperate bogs, swamps, sandy banks, and fens. Northeastern plants can range from penny-sized to about 3 inches in diameter.

What was Charles Darwin's fascination with plants?

Darwin maintained a lifelong fascination with carnivorous plants, including members of the genus Drosera, collectively called sundews. His research into these fascinating species led to the 1875 publication of “Insectivorous Plants,” which remains a major reference work today.

Where is the Sundew genus?

Drosera filiformis var. filiformis in a peat bog in New Jersey. The range of the sundew genus stretches from Alaska in the north to New Zealand in the south. The centers of diversity are Australia, with roughly 50% of all known species, and South America and southern Africa, each with more than 20 species.

What is sundew tea?

Sundews were used as medicinal herbs as early as the 12th century, when an Italian doctor from the School of Salerno, Matthaeus Platearius, described the plant as an herbal remedy for coughs under the name herba sole. It has been used commonly in cough preparations in Germany and elsewhere in Europe. Sundew tea was especially recommended by herbalists for dry coughs, bronchitis, whooping cough, asthma and "bronchial cramps". A modern study has shown that Drosera exhibits antitussive properties.

What is the mucilage of Drosera?

The mucilage produced by Drosera has remarkable elastic properties and has made this genus a very attractive subject in biomaterials research. In one recent study, the adhesive mucilages of three species ( D. binata, D. capensis, and D. spatulata) were analyzed for nanofiber and nanoparticle content. Using atomic force microscopy, transmission electron microscopy, and energy-dispersive X-ray spectroscopy, researchers were able to observe networks of nanofibers and nanoparticles of various sizes within the mucilage residues. In addition, calcium, magnesium, and chlorine – key components of biological salts - were identified. These nanoparticles are theorized to increase the viscosity and stickiness of the mucilage, in turn increasing the effectiveness of the trap. More importantly for biomaterials research, however, is the fact that, when dried, the mucin provides a suitable substrate for the attachment of living cells. This has important implications for tissue engineering, especially because of the elastic qualities of the adhesive. Essentially, a coating of Drosera mucilage on a surgical implant, such as a replacement hip or an organ transplant, could drastically improve the rate of recovery and decrease the potential for rejection, because living tissue can effectively attach and grow on it. The authors also suggest a wide variety of applications for Drosera mucin, including wound treatment, regenerative medicine, or enhancing synthetic adhesives. Also of note, because this mucilage can stretch to nearly a million times its original size and is readily available for use, it can be an extremely cost-efficient source of biomaterial.

What are the roots of drosera?

The root systems of most Drosera are often only weakly developed. Serving mainly to absorb water and to anchor the plant to the ground, the roots are relatively useless for nutrient uptake. A few South African species use their roots for water and food storage. Some species have wiry root systems that remain during frosts if the stem dies. Some species, such as D. adelae and D. hamiltonii, use their roots for asexual propagation, by sprouting plantlets along their length. Some Australian species form underground corms for this purpose, which also serve to allow the plants to survive dry summers. The roots of pygmy sundews are often extremely long in proportion to their size, with a 1-cm (0.4-in) plant extending roots over 15 cm (5.9 in) beneath the soil surface. Some pygmy sundews, such as D. lasiantha and D. scorpioides, also form adventitious roots as supports. D. intermedia and D. rotundifolia have been reported to form arbuscular mycorrhizae, which penetrate the plant's tissues.

What are the different types of sundews?

The genus can be divided into several habits, or growth forms: 1 Temperate sundews: These species form a tight cluster of unfurled leaves called a hibernaculum in a winter dormancy period (= Hemicryptophyte ). All of the North American and European species belong to this group. Drosera arcturi from Australia (including Tasmania) and New Zealand is another temperate species that dies back to a horn-shaped hibernaculum. 2 Subtropical sundews: These species maintain vegetative growth year-round under uniform or nearly uniform climatic conditions. 3 Pygmy sundews: A group of roughly 40 Australian species, they are distinguished by miniature growth, the formation of gemmae for asexual reproduction, and dense formation of hairs in the crown center. These hairs serve to protect the plants from Australia's intense summer sun. Pygmy sundews form the subgenus Bryastrum. 4 Tuberous sundews: These nearly 50 Australian species form an underground tuber to survive the extremely dry summers of their habitat, re-emerging in the autumn. These so-called tuberous sundews can be further divided into two groups, those that form rosettes and those that form climbing or scrambling stems. Tuberous sundews comprise the subgenus Ergaleium.

How tall is a Sundew tuber?

Sundews are perennial (or rarely annual) herbaceous plants, forming prostrate or upright rosettes between 1 and 100 cm (0.39 and 39.37 in) in height, depending on the species.

What is the name of the carnivorous plant that eats insects?

Filicirna Raf. Rossolis Adans . Drosera , which is commonly known as the sundews, is one of the largest genera of carnivorous plants, with at least 194 species. These members of the family Droseraceae lure, capture, and digest insects using stalked mucilaginous glands covering their leaf surfaces.

How do sundews capture prey?

All Sundews capture prey by using glistening drops of “dew” for which the plant derives its common name. The shape, size, color, and mobility of the leaves vary across varieties yet each is densely covered with small tentacle-like hairs with singular drops of dew at their tips.

What is the dew in a plant?

In reality, the drops of “dew” are actually sweet smelling and sticky drops of mucilage that the plant secretes in order to attract its prey. The bug lands on the plant thinking that it has found a sweet meal, but it becomes stuck in the goo and becomes a meal itself!

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The race of aliens we known for their strong regenerative abilities, and we’ve seen the greatest extent of their powers through their leader, Boros. As their leader, he is the peak of their race -- a super alien amongst his own kind with moves like immense speed, strength and durability.

Who is the strongest alien scout?

Perhaps the strongest alien scout we’ve ever heard about is Sailor Chaos, a mysterious scout who’s said to be even more destructive then Sailor Galaxia. In the manga, Chaos is often the reason for the evil of the universe.

What kind of aliens are there in the first mission?

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Why are humans called Princes?

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What is the Newtype?

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Where does the knowledge collected on Beta come from?

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Is Gundam a sixth sense?

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Who are the only male students in the anime?

Kiyoshi Fujino is one of these new boys, but he discovers to his shock that he and his four friends—Takehito “Gakuto” Morokuzu, Shingo Wakamoto, Jouji “Joe” Nezu, and Reiji “Andre” Andou —are the only male students among 1,000 girls.

Who is Takuma Sakamoto?

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What country did Kimihito Kurusu live in?

With his parents abroad, Kimihito Kurusu lived a quiet, unremarkable life alone until monster girls came crowding in! This alternate reality presents cutting-edge Japan, the first country to promote the integration of non-human species into society.

What is the name of the girl in the anime that is wearing a kimono?

AD. Kazuya Kagami, an ordinary boy, finds his life turned upside down when his late mother’s obi transforms into a girl wearing a kimono named Kiriha. She happens to be a Tsukumogami called a “tsugumomo,” objects that have gained a soul through long years of harmony with their owners.

Why did the HxEros team plunder energy?

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What is the ultimatum for the 5 boys in the school?

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Why is Keyaru exploited?

Keyaru, who is exploited repeatedly by others due to being a healing magician, notices what lays beyond just his healing magic, and is convinced that a healing magician is the strongest class in the world. However, by the time he realizes his potential, he is already deprived of everything.