| Drosera sect. Drosera | |
|---|---|
 | |
| Drosera capensis | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Droseraceae |
| Genus: | Drosera |
| Subgenus: | Drosera subg. Drosera |
| Section: | Drosera sect. Drosera |
| Species | |
See text | |
Drosera sect. Drosera is a subgenus in the genus Drosera .
| Image | Scientific name | Distribution |
|---|---|---|
 | Drosera acaulis L.f. | South Africa (Cape Province) |
 | Drosera admirabilis Debbert | South Africa |
 | Drosera affinis Welw. ex Oliv. | South Africa |
 | Drosera afra E.Phillips | Cape Provinces of South Africa |
 | Drosera aliciae Raym.-Hamet | Cape Provinces of South Africa |
| Drosera amazonica Rivadavia, A.Fleischm. & Vicent. | Amazonas and Roraima State, Brazil | |
 | Drosera anglica Huds. | Japan, southern Europe, and the island of Kauai in Hawaii |
| Drosera arenicola Steyerm. | Venezuela and Brazil | |
| Drosera ascendens A.St.-Hil. | Brazil (Minas Gerais) | |
| Drosera bequaertii Taton | Congo and Angola | |
| Drosera biflora Willd. ex Schult. | Venezuela to Brazil, | |
 | Drosera brevifolia Pursh | east Texas to Florida and north to Virginia |
| Drosera burkeana Planch. | Congo and Uganda to South Africa, Madagascar. | |
| Drosera camporupestris Rivadavia | Brazil (Minas Gerais) | |
 | Drosera capensis L. | Cape in South Africa. |
 | Drosera capillaris Poir. | southern United States, the Greater Antilles, wastern and southern Mexico, Central America, and northern South America |
| Drosera cayennensis Sagot ex Diels | Costa Rica to S. Tropical America. | |
| Drosera cendeensis Tamayo & Croizat | Venezuela | |
| Drosera chrysolepis Taub. | Brazil (Bahia to Minas Gerais) | |
| Drosera cistiflora L. | Cape Provinces of South Africa | |
 | Drosera collinsiae N.E.Br. | South Africa. |
 | Drosera communis A.St.-Hil. | Brazil |
 | Drosera cuneifolia L.f. | Cape in South Africa |
| Drosera curvipes Planch. | Northern Provinces, Swaziland | |
 | Drosera dielsiana Exell & J.R.Laundon | South Africa (KwaZulu-Natal, the Free State, the Northern Provinces), Eswatini (Swaziland), Mozambique, Malawi, and Zimbabwe. |
| Drosera elongata Exell & J.R.Laundon | Zambia | |
| Drosera ericgreenii A.Fleischm., R.P.Gibson & Rivadavia | Western Cape of South Africa | |
| Drosera esmeraldae (Steyerm.) Maguire & Wurdack | Venezuela | |
| Drosera esterhuyseniae (T.M.Salter) Debbert | Western Cape of South Africa | |
 | Drosera felix Steyerm. & L.B.Sm. | Venezuela |
 | Drosera filiformis Raf. | Canada and the United States |
| Drosera glabripes (Harv. ex Planch.) Stein | Cape in South Africa | |
| Drosera graminifolia A.St.-Hil. | Minas Gerais in Brazil | |
| Drosera grantsaui Rivadavia | Brazil to Paraguay | |
 | Drosera graomogolensis T.R.S.Silva | Minas Gerais in Brazil |
 | Drosera hamiltonii C.R.P.Andrews | Western Australia. |
| Drosera hirtella A.St.-Hil. | Brazil | |
 | Drosera hilaris Cham. & Schltdl. | South Africa |
| Drosera hirticalyx Duno de Stefano & Culham | Venezuela | |
| Drosera humbertii Exell & J.R.Laundon | Madagascar | |
| Drosera insolita Taton | Democratic Republic of the Congo | |
 | Drosera intermedia Hayne | Europe, southeastern Canada, the eastern half of the United States, Cuba, Hispaniola, and northern South America |
 | Drosera kaieteurensis Brumm.-Ding. | Guyana |
| Drosera katangensis Taton | Democratic Republic of Congo. | |
 | Drosera linearis Goldie | Canada and the United States |
 | Drosera madagascariensis DC. | Africa (Guinea, Nigeria, Cameroon, Congo, Angola, Zambesi, Tanganyika) as far south as South Africa and east to the island of Madagascar. |
 | Drosera montana A.St.-Hil. | Brazil |
 | Drosera natalensis Diels | South Africa |
 | Drosera neocaledonica Raym.-Hamet | New Caledonia |
 | Drosera nidiformis Debbert | KwaZulu-Natal in South Africa |
| Drosera oblanceolata Y.Z.Ruan | southern China | |
 | Drosera pauciflora Banks ex DC. | Cape Provinces of South Africa. |
| Drosera peruensis T.R.S.Silva & M.D.Correa | Peru | |
| Drosera pilosa Exell & J.R.Laundon | Zambia | |
| Drosera quartzicola Rivadavia & Gonella | Brazil (Minas Gerais) | |
| Drosera ramentacea Burch. ex DC. | Western Cape of South Africa. | |
 | Drosera roraimae (Klotzsch ex Diels) Maguire & J.R.Laundon | northern North America, Korea and Japan |
 | Drosera rotundifolia L. | Brazil, Guyana, and Venezuela. |
| Drosera rubrifolia Debbert | Cape Provinces of South Africa. | |
| Drosera schwackei (Diels) Rivadavia | Brazil (Minas Gerais) | |
 | Drosera slackii Cheek | Cape Provinces of South Africa. |
| Drosera solaris A.Fleischm., Wistuba & S.McPherson | Guyana. | |
 | Drosera spatulata Labill. | Southeast Asia, southern China and Japan, Micronesia, Papua New Guinea, eastern Australia, Tasmania and New Zealand. |
| Drosera spiralis A.St.-Hil. | Brazil (Minas Gerais) | |
 | Drosera tentaculata (Komiya & Shibata) T.Nakamura & Ueda | Japan. |
 | Drosera tokaiensis Rivadavia | Brazil |
| | Drosera tomentosa A.St.-Hil. | Brazil |
 | Drosera trinervia Spreng. | Cape Provinces of South Africa |
 | Drosera ultramafica A.Fleischm., A.S.Rob. & S.McPherson | Malesia. |
 | Drosera uniflora Willd. | Chile |
 | Drosera venusta P.Debbert | Cape Provinces of South Africa |
| Drosera villosa A.St.-Hil. | Brazil (E. Minas Gerais) | |
| Drosera viridis Rivadavia | Brazil ( Paraná and São Paulo and central Santa Catarina) | |
| Drosera yutajensis Duno de Stefano & Culham | Venezuela | |
| Drosera zeyheri T.M.Salter | Cape Provinces of South Africa | |
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. The insects are used to supplement the poor mineral nutrition of the soil in which the plants grow. Various species, which vary greatly in size and form, are native to every continent except Antarctica.
Droseraceae is a family of carnivorous flowering plants, also known as the sundew family. It consists of approximately 180 species in three extant genera. Representatives of the Droseraceae are found on all continents except Antarctica.
Drosera capensis, commonly known as the Cape sundew, is a small rosette-forming carnivorous species of perennial sundew native to the Cape in South Africa. Because of its size, easy to grow nature, and the copious amounts of seed it produces, it has become one of the most common sundews in cultivation, and thus, one of the most frequently introduced and naturalised invasive Drosera species.
Drosera rotundifolia, the round-leaved sundew, roundleaf sundew, or common sundew, is a carnivorous species of flowering plant that grows in bogs, marshes and fens. One of the most widespread sundew species, it has a circumboreal distribution, being found in all of northern Europe, much of Siberia, large parts of northern North America, Korea and Japan but is also found as far south as California, Mississippi and Alabama in the United States of America and in New Guinea.
Drosera spatulata, the spoon-leaved sundew, is a variable, rosette-forming sundew with spoon-shaped leaves. The specific epithet is Latin for "spatula shaped," a reference to the form of the leaves. This sundew has a large range and occurs naturally throughout Southeast Asia, southern China and Japan, Micronesia, Papua New Guinea, eastern Australia, Tasmania and New Zealand. Variants are often known by the localities in which they are found. The plant does not form hibernacula in winter, and is easily grown using the same methods as Drosera capensis.
Drosera regia, commonly known as the king sundew, is a carnivorous plant in the sundew genus Drosera that is endemic to a single valley in South Africa. The genus name Drosera comes from the Greek word droseros, meaning "dew-covered". The specific epithet regia is derived from the Latin for "royal", a reference to the "striking appearance" of the species. Individual leaves can reach 70 cm (28 in) in length. It has many unusual relict characteristics not found in most other Drosera species, including woody rhizomes, operculate pollen, and the lack of circinate vernation in scape growth. All of these factors, combined with molecular data from phylogenetic analysis, contribute to the evidence that D. regia possesses some of the most ancient characteristics within the genus. Some of these are shared with the related Venus flytrap (Dionaea muscipula), which suggests a close evolutionary relationship.
Drosera peltata, commonly called the shield sundew or pale sundew, is a climbing or scrambling perennial tuberous species in the carnivorous plant genus Drosera. Among the tuberous sundews, D. peltata has the largest distribution, which includes eastern and western Australia, New Zealand, India, and most of Southeast Asia including the Philippines. The specific epithet is Latin for "shield shaped", a reference to the shape of the cauline leaves. It is either a single extremely variable species, or a complex of several closely related species of uncertain taxonomic boundaries. In Australia at least four forms have had or still have specific taxonomic recognition: Drosera peltata subsp. peltata, D. peltata subsp. auriculata, D. foliosa and D. gracilis.
The Carnivorous Plant Newsletter is the official publication of the International Carnivorous Plant Society (ICPS), the largest such organization in the world. It is headquartered in Walnut Creek, California.
The genus Drosera was divided in 1994 by Seine & Barthlott into three subgenera and 11 sections on the basis of morphological characteristics.
Drosera anglica, commonly known as the English sundew or great sundew, is a carnivorous flowering plant species belonging to the sundew family Droseraceae. It is a temperate species with a circumboreal range, although it does occur as far south as Japan, southern Europe, and the island of Kauai in Hawaii, where it grows as a tropical sundew. It is thought to originate from an amphidiploid hybrid of D. rotundifolia and D. linearis, meaning that a sterile hybrid between these two species doubled its chromosomes to produce fertile progeny which stabilized into the current D. anglica.
Drosera binata, commonly known as the forked sundew or fork-leaved sundew,Carnivorous Plants of New Zealand. Ecosphere It is a large, perennial sundew native to Australia and New Zealand. The specific epithet is Latin for "having pairs" - a reference to the leaves, which are dichotomously divided or forked.
Drosera intermedia, commonly known as the oblong-leaved sundew, spoonleaf sundew, or spatulate leaved sundew, is an insectivorous plant species belonging to the sundew genus. It is a temperate or tropical species native to Europe, southeastern Canada, the eastern half of the United States, Cuba, Hispaniola, and northern South America.
Drosera macrophylla, the showy sundew, is a perennial tuberous species in the genus Drosera that is endemic to Western Australia. It grows in a rosette with leaves 4 cm (2 in) long and 2 cm (1 in) wide. It is a common species east of Perth. It grows in loam soils. It flowers from June to October. D. macrophylla was first described by John Lindley in his 1839 publication A sketch of the vegetation of the Swan River Colony. In 1992, Allen Lowrie and Sherwin Carlquist described a new subspecies, D. macrophylla subsp. monantha, which is distinguished from D. macrophylla subsp. macrophylla by its single-flowered or rarely biflowered inflorescences. Subspecies monantha is abundant in the Bruce Rock/Merredin region.
Drosera erythrorhiza, the red ink sundew, is a perennial tuberous species in the carnivorous plant genus Drosera that is endemic to Western Australia. It grows in a rosette and is distinguished from the other species in section Erythrorhiza by its many-flowered cymose inflorescences with up to 50 individual flowers. D. erythrorhiza was first described by John Lindley in his 1839 publication A sketch of the vegetation of the Swan River Colony. In 1992, N. G. Marchant and Allen Lowrie described three new subspecies, thus also creating the autonym D. erythrorhiza subsp. erythrorhiza. The subspecies were separated from this variable species mostly by leaf morphology and distribution.
Drosera sulphurea, the sulphur-flowered sundew, is a scrambling perennial tuberous species in the carnivorous plant genus Drosera. It is endemic to Western Australia and is found in coastal areas in sandy loam, often among Cephalotus. D. sulphurea produces small, shield-shaped carnivorous leaves along stems that can be 40–60 cm (16–24 in) high. Yellow flowers bloom in September.
Drosera sect. Ergaleium is a section of 26 species that are erect or scrambling tuberous plants in the genus Drosera. This section represents a natural group and are taxonomically monophyletic.
Drosera glanduligera, the pimpernel sundew, is a rosetted annual species in the carnivorous plant genus Drosera that is endemic to Australia. It is 2.5–6 cm (1–2 in) tall and grows in most soil conditions. It produces orange flowers from August to November. It was originally described in 1844 by Johann Georg Christian Lehmann. It is the sole species in the subgenus Coelophylla, which Jan Schlauer elevated from section rank in 1996; it was originally described by Jules Émile Planchon in 1848.
Nepenthesin is an aspartic protease of plant origin that has so far been identified in the pitcher secretions of Nepenthes and in the leaves of Drosera peltata. It is similar to pepsin, but differs in that it also cleaves on either side of Asp residues and at Lys┼Arg. While more pH and temperature stable than porcine pepsin A, it is considerably less stable in urea or guanidine hydrochloride. It is the only known protein with such a stability profile.
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