Fraxinus dipetala is a species of ash tree which is endemic to California. It is known as the California ash or the two-petal ash. It is a deciduous tree or tall shrub with light to dark green foliage and sweet-scented hanging fluffy clusters of white flowers. Each leaf generally has either five or seven leaflets which are each 1-2 inches long and finely serrated along the edges. The fruit is a long, flat samara which is green when immature and hangs in plentiful bunches. Each flower has two white lobe-shaped petals. Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... For other uses, see Plant (disambiguation). ... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants or angiosperms are the most widespread group of land plants. ... Orders See text. ... Families See text The Order Lamiales is a taxon in the asterid group of dicotyledonous flowering plants. ... Genera Abeliophyllum- Chionanthus- Fringetree Comoranthus- Dimetra- Fontanesia- Forestieria- Swamp-privet Forsythia- Forsythia Fraxinus- Ash Haenianthus- Hesperelaea- Jasminum- Jasmine Ligustrum- Privet Menodora- Myxopyrum- Nestegis- Noronhia- Notelaea- Nyctanthes- Olea- Olive Osmanthus- Osmanthus Phillyrea- Mock-privet Picconia- Priogymnanthus- Schrebera- Syringa- Lilac Oleaceae, the olive family, is a plant family containing 24 extant genera... Species See text European Ash in flower Narrow-leafed Ash (Fraxinus angustifolia) shoot with leaves Closeup of European Ash seeds 19th century illustration of Manna Ash (Fraxinus ornus) An ash can be any of four different tree genera from four very distinct families (see end of page for disambiguation), but... This article does not cite any references or sources. ... Sir William Jackson Hooker (July 6, 1785 - August 12, 1865) was an English botanist. ... George Arnott Walker-Arnott (1799-1868) was a Scottish botanist. ... Species See text European Ash in flower Narrow-leafed Ash (Fraxinus angustifolia) shoot with leaves Closeup of European Ash seeds 19th century illustration of Manna Ash (Fraxinus ornus) An ash can be any of four different tree genera from four very distinct families (see end of page for disambiguation), but... Endemic, in a broad sense, can mean belonging or native to, characteristic of, or prevalent in a particular geography, race, field, area, or environment; Native to an area or scope. ... Maple samara or key A samara is a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. ...
Like other ashes, this tree is susceptible to emerald ash borer. Binomial name Agrilus planipennis Fairmaire, 1888 The Emerald ash borer (Agrilus planipennis or Agrilus marcopoli) is a shiny green beetle and an invasive species known for killing ash trees in the United States. ...
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