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Crataegus Fontanesiana
J.B. Phipps has shown that ''Crataegus fontanesiana'' are "somewhat narrow-leaved forms of Crataegus calpodendron, ''C. calpodendron''". The name was mis-applied for much of the 19th and 20th centuries to some forms of Crataegus crus-galli, ''C. crus-galli''. References Crataegus, fontanesiana {{Crataegus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernst Gottlieb Von Steudel
Ernst Gottlieb von Steudel (30 May 1783 – 12 May 1856) was a German physician and an authority on poaceae, grasses. Biography Ernst Gottlieb von Steudel was born at Esslingen am Neckar in Baden-Württemberg. He was educated at the University of Tübingen, earning his medical doctorate in 1805. Shortly afterwards he settled into a medical practice in his hometown of Esslingen am Neckar, Esslingen and in 1826 became the chief state physician in what had become the Kingdom of Württemberg. In 1825, together with Christian Ferdinand Friedrich Hochstetter (1787-1860), he organized an organization in Esslingen known as Unio Itineraria (''Württembergischer botanische severein''). The purpose of this society was to send young botanists out into the world to discover and collect plants in all of their varieties thus promoting and expanding botanical studies and herbaria throughout the Kingdom and beyond. Hochstetter himself traveled to Portugal, Madeira, and the Azores, and Steudel wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crataegus Calpodendron
''Crataegus calpodendron'' is a species of hawthorn native to much of the eastern United States and to Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ..., Canada. The common name late hawthorn refers to the flowering time, which is later than most North American hawthorns. References External links '' Pear Hawthorn, Crataegus calpodendron (Ehrh.)Medikus, Floyd County, Northwest Georgia, Southeastern United States'' calpodendron Flora of North America {{Crataegus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crataegus Crus-galli
''Crataegus crus-galli'' is a species of hawthorn known by the common names cockspur hawthorn and cockspur thorn. It is native to eastern North America from Ontario to Texas to Florida, and it is widely used in horticulture. It is thought to be the parent, along with ''Crataegus succulenta'', of the tetraploid species '' Crataegus persimilis''. Description This is a small tree growing up to about 10 meters tall and 8 meters wide, rounded in form when young and spreading and flattening as it matures. The leaves are 5 to 6 centimeters long, glossy dark green in color and turning gold to red in the fall. The flowers are white and have a scent generally considered unpleasant. The fruits are small pomes that vary in colour, usually a shade of red. Most wild varieties of the tree are heavily armed in sharp thorns several centimeters long. Cultivation This species is a popular ornamental tree, especially var. ''inermis'', which lacks thorns. Many other wild forms would be very suitable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
