Microcycas calocoma (Miq.) A. DC.

Tree with upright trunk, cylindrical, 6-8(-10) m high, about 60 cm diameter, covered with the remains of leaf-bases and cataphylls, simple or occasionally branching; young leaves pallid green, covered with fine vestiture; mature leaves 6-40 or more, forming a panicle at top of trunk, falling every two years, always leaving persistent rachis and petiole (a very distinctive characteristic), pinnate, 50-60 cm long, 25-30 cm wide, forming inverted V; petiole 10-15 cm long, not spiny, wider at base; leaflets numerous, 15-25 cm long, more or less 0.8 mm wide, not spiny, linear-lanceolate, slightly revolute, apex rounded; male cones 25-30 cm, yellow-brown, densely pubescent, sporophylls 2-2.5 cm long, 1.5-2 cm wide; female cones 50-90 cm long, broadly cylindrical, yellow-brown, covered by dense vestiture, macrosporophylls about 5 cm long, with two seeds; seeds 4 cm long with one pink to red sarcotesta; dioecious species.

Common names: corcho, palma corcho.

Species endemic to Pinar del Río, not a true palm; because of the antiquity of the species, its reproduction problems, and the fragilty of its surrounding ecosystem, it is considered under great threat.

Microcycas calocoma
Microcycas calocoma, leaf
Microcycas calocoma, leaf
Microcycas calocoma, pinnae
Microcycas calocoma, cone
Microcycas calocoma, bark

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