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American botanist George Proctor considers A. media to be a valid species on the basis of its shorter, more slender trunk, but other authors consider it a synonym of A. aculeata.
In Puerto Rico it is known as coroso or palma de coroso.
Distribution & Habitat:
Open forest of Puerto Rico and the Virgin Islands.
It is a stout, solitary palm with finely pinnate, plumose leaves. It reaches a height of 10 - 15 metres (33 - 49 ft), with a stem diameter of 20 to 30 centimetres (7.9 to 12 in). It has a grey trunk, thickly covered in long spines. The fruit are also lightly spined.
Likes full sun, and lots of water, but good drainage.
Cailan Ramos (Figure 1,2,3,4&5)