query: How large are pomelos?
passage: Pomelo
Typically, the fruit is pale green to yellow when ripe, with sweet white (or, more rarely, pink or red) flesh, and a very thick albedo (rind pith). It is a large citrus fruit, 15–25 centimetres (5.9–9.8in) in diameter,[6] usually weighing 1–2 kilograms (2.2–4.4lb). Leaf petioles are distinctly winged.
passage: Prunus pumila
"Prunus pumila" is a deciduous shrub that grows to 2-6 feet tall depending on the variety. It forms dense clonal colonies by sprouts from the root system. The leaves are leathery, long, with a serrated margin. The flowers are in diameter with five white petals and 25–30 stamens. They are produced in small clusters of two to four. The fruit is a small cherry diameter, ripening dark purple in early summer."Prunus × cistena" (purple leaf sand cherry) is a hybrid of "Prunus cerasifera" (Cherry Plum) and "Prunus pumila". It was developed by Niels Ebbesen Hansen of South Dakota State University in 1910.