One of the class of blood plums, with deep red flesh throughout, fruit rather flattened, dull purple-black sprinkled with russet dots - the more dots, the richer and sweeter the fruit. Often mistakenly called 'Satsuma,' which is a smaller. dry, dense fleshed, culinary fruit only. Mariposa is the most succulent, delicate of the blood plums, marking the high point of summer's fruit season. Late August. On Lovell.