Sunday, January 22, 2012

Wat is the scientific name for a washington hawthorn?

Crataegus phaenopyrum, Washington hawthorn
Wat is the scientific name for a washington hawthorn?
That would be: Crataegus Phaenopyrum
Reply:Washington Hawthorn

(or Washington Thorn)



Scientific Name: Crataegus phaenopyrum (formally known as C. cordata)

Other Common Names: Virginia or Maple-leaved Hawthorn



Summary

Foliage: Deciduous broadleaf

Height: 20 to 35 feet

Spread: 20 to 25 feet

Shape: Rounded or pyramidal



This is the largest of the hawthorns. Generally grows into a pyramidal or rounded form. It flowers later than other hawthorns, producing clusters of white flowers with yellowish pink anthers. The bark is light brown that starts off thin and smooth and becomes scaly. Leaves are 2 inches long and almost 2 inches wide. The leaves emerge bronze, but quickly become green. Produces small, clusters of fruit in the early autumn that turn deep red by late autumn. Leaves turn a burgundy fall color.



Plant Needs

Zone: 5 to 9

Light: Full sun

Moisture: Wet to moist

Soil Type: Well-drained, but tolerant of poor soils



Care

Fertilize with formulations that promote woody, strong growth rather than excessive foliar growth. Avoid excessive exposure to salts (either road or sea salt).



Problems

Prone to rust diseases such as Cedar Hawthorn Rust and Cedar Quince Rust. Flowers can be extremely malodorous. Thorns can be a safety hazard. Does not tolerate road salt.



Notes

Crataegus means 'strength', referring to the strong wood and phaenopyrum means 'with the appearance of a pear'.

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