lasiandra and Salix lutea. Fraxinus velutina - Velvet ash Range Map. It is hardy to zone (UK) 7. General Information Scientific name: Fraxinus velutinaPronunciation: FRACK-sih-nus vell-LOO-tih-nuhCommon name(s): Velvet Ash, Modesto Ash, Arizona AshFamily: OleaceaeUSDA hardiness zones: 7A through 8B (Fig. The soil texture this plant prefers for optimal growth. Sandy to Clay. Map Legend. Systematics of Fraxinus (Oleaceae) and evolution of Dioecy Plant Systematics and Evolution 273: 25-49. Wallander, E. (2008). Fraxinus velutina ‘Modesto’, Escondido Mall. T his deciduous tree has 6-inch leaves with five leaflets that are furry underneath. Velvet ash - Fraxinus velutina Native Range Border Related Maps. Interesting Facts: Folk wisdom holds that the leaves repel rattlesnakes, so hunters often put them in their boots for protection. Phylogenetic relationships among 40 of the 43 recognized species were estimated on the basis of nuclear ribosomal ITS sequences (Wallander, 2008).This research suggested that the previous subgenera and subsections be abandoned, and a new section established. Ash trees are in the Fraxinus genus within the olive (Oleaceae) family of woody plants.They are often used as shade, lawn, and street trees, and were once the most-planted urban tree across the U.S. You can identify ashes by looking for trees with opposite branching (not many trees do this) and compound leaves formed by clusters of leaflets. Find Trees & Learn | University of Arizona Campus Arboretum Ash decline (AD), caused by a phytoplasma, is a progressive dieback disease previously reported in Fraxinus velutina. The leaflets can be slightly different shapes and often have velvety hairs beneath which is the reason for one of the many common names “Velvet ash”. Modesto, F. velutina cv. Arizona ash Oleaceae Fraxinus velutina Torr. Fraxinus velutina is a perennial woody deciduous member of the Fraxinus genus in the family Oleaceae. Key. Fraxinus is a large genus in the family Oleaceae, with 43 species native to temperate and subtropical regions of the northern hemisphere. It also has velvety branchlets. Key. Fraxinus Velutina is a deciduous Tree growing to 12 m (39ft) by 8 m (26ft) at a fast rate. Ridges on the gray-brown bark almost seem to interlace, especially on mature trees. symbol: FRVE2 Leaf: Opposite, pinnately compound, 5 to 9 inches long, typically 5 leaflets (occasionally more or less), leaflets are elliptical to ovate, margins entire (maybe wavy toothed), shiny green above and paler and pubescent below (maybe smooth). Interactive Koppen Climate Classification Map for the United States; Interactive Koppen Climate Classification Map for Canada; Populus fremontii is dominant or co-dominant in the tree canopy with Acer negundo, Baccharis sergiloides, Fraxinus latifolia, Fraxinus velutina, Juglans hindsii, Juglans hindsii × regia, Platanus racemosa, Quercus agrifolia, Salix exigua, Salix gooddingii, Salix laevigata, Salix lasiolepis, Salix lucida ssp. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). The host range and distribution of AD is discussed based on samples collected from ash trees sampled from across the state of Arizona, U.S., including both wild-type F. velutina in riparian areas and F. velutina cv. John Rawlings, 7 Dec 2003. It is in flower in April, and the seeds ripen in October. Range Science Herbarium, Las Cruces, New Mexico. 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