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Crataegus Populnea
''Crataegus populnea'' is a hawthorn native to the northeastern U.S. and southeastern Canada. The flowers have about 10 stamens with red to purple anther The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...s, and the fruit are orange to red, about 1 cm in diameter, spherical or oblong. ''Crataegus compta'' is a variant with pear-shaped fruit. References populnea Flora of North America {{Crataegus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Willard Ashe
William Willard Ashe (June 4, 1872 – March 18, 1932) was an American forester and botanist. He was known as a prolific collector of plant specimens and an early proponent of conservationism in the Southern United States. Early life Ashe was born in Raleigh, North Carolina to Samuel A'Court Ashe (1840 – 1938) and Hannah Emerson Willard. He was the oldest of nine children and grew up on the family's antebellum estate "Elmwood," where he spent much of his childhood exploring the nearby woods and fields looking for natural curiosities. He quickly took to collecting plant specimens, and by the time he entered college, Ashe required a two-story building to house his entire collection. As a young man, Ashe also spent time writing; and along with his brother Samuel, he produced a tract titled "The West End Sun" that included woodcuts made by W.W. Ashe himself. A copy of "The West End Sun" was placed in the cornerstone of the State Agricultural College Building in Raleigh. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crataegus
''Crataegus'' (), commonly called hawthorn, quickthorn, thornapple, Voss, E. G. 1985. ''Michigan Flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part II: Dicots (Saururaceae–Cornaceae)''. Cranbrook Institute of Science and University of Michigan Herbarium, Ann Arbor, Michigan. May-tree,Graves, Robert. ''The White Goddess: A Historical Grammar of Poetic Myth'', 1948, amended and enlarged 1966, New York: Farrar, Straus and Giroux. whitethorn, Mayflower, or hawberry, is a genus of several hundred species of shrubs and trees in the family Rosaceae, native to temperate regions of the Northern Hemisphere in Europe, Asia, North Africa, and North America. The name "hawthorn" was originally applied to the species native to northern Europe, especially the common hawthorn ''C. monogyna'', and the unmodified name is often so used in Britain and Ireland. The name is now also applied to the entire genus and to the related Asian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anther
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament and an anther which contains ''microsporangia''. Most commonly anthers are two-lobed and are attached to the filament either at the base or in the middle area of the anther. The sterile tissue between the lobes is called the connective, an extension of the filament containing conducting strands. It can be seen as an extension on the dorsal side of the anther. A pollen grain develops from a microspore in the microsporangium and contains the male gametophyte. The stamens in a flower are collectively called the androecium. The androecium can consist of as few as one-half stamen (i.e. a single locule) as in '' Canna'' species or as many as 3,482 stamens which have been counted in the saguaro (''Carnegiea gigantea''). The androecium in var ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
