…European, or scarlet, firethorn (Pyracantha coccinea) can grow up to 4.5 metres (15 feet) tall and has provided many varieties of horticultural interest. Of similar height are the narrowleaf firethorn (P. angustifolia), Gibb’s firethorn (P. atalantioides), and the Chinese firethorn (P. fortuneana), all of which are from China and…
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