Fraxinus texensis

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Fraxinus texensis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Oleaceae
Genus: Fraxinus
Species: F. texensis
Binomial name
Fraxinus texensis
(A.Gray) Sarg.
Fraxinus texensis range map 4.png
Natural range of Fraxinus texensis
Fraxinus texensis range map 3.png
Synonyms
  • Fraxinus albicans Buckley (1862)
  • Fraxinus americana
      
    var. texensis A. Gray (1878)
  • Fraxinus americana
      
    subsp. texensis (A. Gray) G.N. Mill.

Fraxinus texensis (Texas ash, Texas white ash, or mountain ash[1]) is a species of Fraxinus, native to eastern Texas and southern Oklahoma. It is closely related to Fraxinus americana (white ash), and is sometimes treated as a variety of it, as Fraxinus americana var. texensis A.Gray.[2][3]

It is a small deciduous tree growing to 10 m tall, with a trunk up to 30 cm diameter. The leaves are 13–20 cm long, pinnately compound with usually five rounded leaflets 3–7.5 cm long and 2–5 cm broad. The flowers are purple, produced in small clusters in early spring; like all ashes, is dioecious, with male and female flowers on separate trees. The fruit is a samara 1.5-3 cm long, with an apical wing. It occurs on rocky limestone soils, and is drought tolerant.[3]

References[edit]

  1. ^ This is not the same tree as members of the Sorbus genus, which are commonly distinguished as "mountain-ashes".
  2. ^ Germplasm Resources Information Network: Fraxinus texensis
  3. ^ a b Oklahoma Biological Survey: Fraxinus texensis