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There are several species of Coffea that may be grown for the beans. The trees produce red or purple fruits called "cherries" that look like drupes, but are epigynous berries. The cherries contain two seeds, the so-called "coffee beans", which — despite their name — are not true beans. In about 5-10% of any crop of coffee cherries, there is only a single bean, rather than the two usually found. This is called a peaberry, which is smaller and rounder than a normal coffee bean. It is often removed from the yield and either sold separately (as in New Guinea peaberry), or discarded.
When grown in the tropics, coffee is a vigorous bush or small tree that usually grows to a height of 3–3.5 m (10–12 feet). Most commonly cultivated coffee species grow best at high elevations but are nevertheless intolerant of subfreezing temperatures.[citation needed]
The tree of Coffea arabica will grow fruits after three to five years, and will produce for about 50 to 60 years[citation needed] (although up to 100 years is possible[citation needed]). The white flowers are highly scented. The fruit takes about nine