Russula Atropurpurea
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Russula Atropurpurea
''Russula atropurpurea'' is an edible member of the genus '' Russula''. It is dark vinaceous (red wine-coloured) or purple, and grows with deciduous, or occasionally coniferous trees. It is commonly called the blackish purple Russula, or the purple brittlegill. Taxonomy Initially described as ''Agaricus atropurpureus'' by German naturalist Julius von Krombholz in 1845, and placed in '' Russula'' by his countryman Max Britzelmayr in 1893, the binomial name of this mushroom ''R. atropurpurea'' (Krombh.) Britzelm is accepted as being incorrect, and mycologists cannot agree on a suitable replacement. Distribution and habitat ''Russula atropurpurea'' appears in late summer and autumn. It is common in the northern temperate zones, Europe, Asia, and Eastern North America, and is mycorrhizal with oak (''Quercus''), with which it prefers to live. Favouring acid soil, it is occasionally found with beech ('' Fagus''), or pine ('' Pinus''). Description The cap is in diameter. It ...
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Julius Vincenz Von Krombholz
Julius Vincenz von Krombholz (19 December 1782 – 1 November 1843) was a physician and mycologist born in Oberpolitz (today Horní Police, Czech Republic), northern Bohemia. He studied medicine at the University of Prague, receiving his doctorate in 1814. In 1828 he was appointed professor of special pathology and therapy. At Prague, he used his influence to help the penniless August Carl Joseph Corda (1809–1849) get admitted to the university. In 1831 he was named rector of the university. Contributions In addition to his career in medicine, Krombholz had a keen interest in mycology. He performed numerous experiments involving the toxicity of mushrooms. He is known fo''Naturgetreue Abbildungen und Beschreibungen der essbaren, schädlichen und verdächtigen Schwämme''(1831–1846), a publication on mushrooms that was based on his own observations. It is acclaimed for its true-to-nature pictures and its descriptions of edible, harmful and suspect mushrooms. Krombholz died bef ...
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Pinus
A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accepts 187 species names of pines as current, together with more synonyms. The American Conifer Society (ACS) and the Royal Horticultural Society accept 121 species. Pines are commonly found in the Northern Hemisphere. ''Pine'' may also refer to the lumber derived from pine trees; it is one of the more extensively used types of lumber. The pine family is the largest conifer family and there are currently 818 named cultivars (or trinomials) recognized by the ACS. Description Pine trees are evergreen, coniferous resinous trees (or, rarely, shrubs) growing tall, with the majority of species reaching tall. The smallest are Siberian dwarf pine and Potosi pinyon, and the tallest is an tall ponderosa pine located in southern Oregon's Rogue Riv ...
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List Of Russula Species
This is a list of ''Russula'' species. The genus has a widespread distribution, and contains about 750 species. Species A * '' Russula abbotensis'' K. Das & J.R. Sharma 2005 * ''Russula abietina'' Peck * ''Russula abietum'' (J. Blum) Bon * '' Russula acetolens'' Rauschert * '' Russula aciculocystis'' Kauffman ex Bills & O. K. Mill. * '' Russula acriannulata'' Buyck * '' Russula acrifolia'' Romagn. * '' Russula acris'' Steinhaus 1888 * ''Russula acriuscula'' Buyck * ''Russula acrolamellata'' McNabb * ''Russula acuminata'' Buyck * ''Russula acutispora'' R. Heim * ''Russula adalbertii'' Reumaux, Moënne-Locc. & Bidaud * ''Russula adelae'' Cern. * ''Russula admirabilis'' Beardslee & Burl. 1939 * '' Russula adulterina'' Fr. * '' Russula adusta'' (Pers.) Fr. – winecork brittlegill * '' Russula aerina'' Romagn. * '' Russula aeruginascens'' Peck * ''Russula aeruginea'' Fr. – grass-green russula * '' Russula aeruginescens'' * '' Russula aeruginosa'' * '' Rus ...
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Russula Atropurpurea
''Russula atropurpurea'' is an edible member of the genus '' Russula''. It is dark vinaceous (red wine-coloured) or purple, and grows with deciduous, or occasionally coniferous trees. It is commonly called the blackish purple Russula, or the purple brittlegill. Taxonomy Initially described as ''Agaricus atropurpureus'' by German naturalist Julius von Krombholz in 1845, and placed in '' Russula'' by his countryman Max Britzelmayr in 1893, the binomial name of this mushroom ''R. atropurpurea'' (Krombh.) Britzelm is accepted as being incorrect, and mycologists cannot agree on a suitable replacement. Distribution and habitat ''Russula atropurpurea'' appears in late summer and autumn. It is common in the northern temperate zones, Europe, Asia, and Eastern North America, and is mycorrhizal with oak (''Quercus''), with which it prefers to live. Favouring acid soil, it is occasionally found with beech ('' Fagus''), or pine ('' Pinus''). Description The cap is in diameter. It ...
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Russula Romelli
''Russula'' is a very large genus composed of around 750 worldwide species of ectomycorrhizal mushrooms. They are typically common, fairly large, and brightly colored – making them one of the most recognizable genera among mycologists and mushroom collectors. Their distinguishing characteristics include usually brightly coloured caps, a white to dark yellow spore print, brittle, attached gills, an absence of latex, and absence of partial veil or volva tissue on the stem. Microscopically, the genus is characterised by the amyloid ornamented spores and flesh (trama) composed of spherocysts. Members of the related genus ''Lactarius'' have similar characteristics but emit a milky latex when their gills are broken. The genus was described by Christian Hendrik Persoon in 1796. Taxonomy Christian Hendrik Persoon first circumscribed the genus ''Russula'' in his 1796 work ''Observationes Mycologicae'', and considered the defining characteristics to be the fleshy fruit bodies, depr ...
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Russula Brunneviolacea
''Russula'' is a very large genus composed of around 750 worldwide species of ectomycorrhizal mushrooms. They are typically common, fairly large, and brightly colored – making them one of the most recognizable genera among mycologists and mushroom collectors. Their distinguishing characteristics include usually brightly coloured caps, a white to dark yellow spore print, brittle, attached gills, an absence of latex, and absence of partial veil or volva tissue on the stem. Microscopically, the genus is characterised by the amyloid ornamented spores and flesh (trama) composed of spherocysts. Members of the related genus ''Lactarius'' have similar characteristics but emit a milky latex when their gills are broken. The genus was described by Christian Hendrik Persoon in 1796. Taxonomy Christian Hendrik Persoon first circumscribed the genus ''Russula'' in his 1796 work ''Observationes Mycologicae'', and considered the defining characteristics to be the fleshy fruit bodies, depr ...
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Spore Print
300px, Making a spore print of the mushroom ''Volvariella volvacea'' shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing pinkish-tan spore print. A 3.5-centimeter glass slide placed in middle allows for examination of spore characteristics under a microscope. image:spore Print ID.gif, 300px, A printable chart to make a spore print and start identification The spore print is the powdery deposit obtained by allowing spores of a fungal sporocarp (fungi), fruit body to fall onto a surface underneath. It is an important diagnostic character in most handbooks for identifying mushrooms. It shows the colour of the mushroom spores if viewed en masse. Method A spore print is made by placing the spore-producing surface flat on a sheet of dark and white paper or on a sheet of clear, stiff plastic, which facilitates moving the spore print to a darker or lighter surface for improved contrast; for example, it ...
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Lamella (mycology)
In mycology, a lamella, or gill, is a papery hymenophore rib under the cap of some mushroom species, most often agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification. The attachment of the gills to the stem is classified based on the shape of the gills when viewed from the side, while color, crowding and the shape of individual gills can also be important features. Additionally, gills can have distinctive microscopic or macroscopic features. For instance, ''Lactarius'' species typically seep latex from their gills. It was originally believed that all gilled fungi were Agaricales, but as fungi were studied in more detail, some gilled species were demonstrated not to be. It is now clear that this is a case of convergent evolution (i.e. gill-like structures evolved separately) rather than being an anatomic feature that evolved only once. The apparent reason that various basidiomycetes have evolved gills is that ...
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Stipe (mycology)
In mycology, a stipe () is the stem or stalk-like feature supporting the cap of a mushroom. Like all tissues of the mushroom other than the hymenium, the stipe is composed of sterile hyphal tissue. In many instances, however, the fertile hymenium extends down the stipe some distance. Fungi that have stipes are said to be stipitate. The evolutionary benefit of a stipe is generally considered to be in mediating spore dispersal. An elevated mushroom will more easily release its spores into wind currents or onto passing animals. Nevertheless, many mushrooms do not have stipes, including cup fungi, puffballs, earthstars, some polypores, jelly fungi, ergots, and smuts. It is often the case that features of the stipe are required to make a positive identification of a mushroom. Such distinguishing characters include: # the texture of the stipe (fibrous, brittle, chalky, leathery, firm, etc.) # whether it has remains of a partial veil (such as an annulus or cortina) or universal ve ...
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Pileus (mycology)
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.Moore-Landecker, E: "Fundamentals of the Fungi", page 560. Prentice Hall, 1972. The hymenium (hymenophore) may consist of lamellae, tubes, or teeth, on the underside of the pileus. A pileus is characteristic of agarics, boletes, some polypores, tooth fungi, and some ascomycetes. Classification Pilei can be formed in various shapes, and the shapes can change over the course of the developmental cycle of a fungus. The most familiar pileus shape is hemispherical or ''convex.'' Convex pilei often continue to expand as they mature until they become flat. Many well-known species have a convex pileus, including the button mushroom, various ''Amanita'' species and boletes. Some, such as the parasol mushroom, have distinct bosses or umbos and are described as ''umbonate''. An umbo is a knobby protrusion at the center of th ...
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Two Views Of A Mature Purple Brittlegill On Kaien Island
2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures. Evolution Arabic digit The digit used in the modern Western world to represent the number 2 traces its roots back to the Indic Brahmic script, where "2" was written as two horizontal lines. The modern Chinese and Japanese languages (and Korean Hanja) still use this method. The Gupta script rotated the two lines 45 degrees, making them diagonal. The top line was sometimes also shortened and had its bottom end curve towards the center of the bottom line. In the Nagari script, the top line was written more like a curve connecting to the bottom line. In the Arabic Ghubar writing, the bottom line was completely vertical, and the digit looked like a dotless closing question mark. Restoring the bottom line to its original horizont ...
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Beech
Beech (''Fagus'') is a genus of deciduous trees in the family Fagaceae, native to temperate Europe, Asia, and North America. Recent classifications recognize 10 to 13 species in two distinct subgenera, ''Engleriana'' and ''Fagus''. The ''Engleriana'' subgenus is found only in East Asia, distinctive for its low branches, often made up of several major trunks with yellowish bark. The better known ''Fagus'' subgenus beeches are high-branching with tall, stout trunks and smooth silver-grey bark. The European beech (''Fagus sylvatica'') is the most commonly cultivated. Beeches are monoecious, bearing both male and female flowers on the same plant. The small flowers are unisexual, the female flowers borne in pairs, the male flowers wind-pollinating catkins. They are produced in spring shortly after the new leaves appear. The fruit of the beech tree, known as beechnuts or mast, is found in small burrs that drop from the tree in autumn. They are small, roughly triangular, and edible, w ...
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