2 species
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Pyracantha coccineafirethorn, scarlet firethorn
Distribution: O Occurring in scattered locations across Washington; British Columbia south to California, east to the Atlantic Coast along the southern half of the U.S.
Habitat: Disturbed areas, wastelots, and forest margins often near towns and cities where escaped from cultivation.
Origin: Introduced from western Asia
Flowers: May-June
Growth Duration: Perennial
Pyracantha fortuneanaChinese firethorn
Distribution: Occurring west of the Cascades crest in lowland western Washington; southern British Columbia to California and Arizona, also in the southern and southeastern U.S.
Habitat: Disturbed, open areas where escaped from cultivation through bird-dispersal.
Origin: Introduced from China
Flowers: January-May
Growth Duration: Perennial