Bactris major socialis (Bactris major socialis)
Description
Both stems and leaves of Bactris species are generally covered with spines. Stems generally bear spines on the internodes; in B. glaucescens and B. setulosa spines are also present on the nodes. A few species lack spines on their stems. All species have spiny leaves; the spines are often clustered on the petiole or rachis. In some species the spines are only found on the tips of the leaflets.:4-5 Most species grow in multi-stemmed clumps with stems about 2 metres (6 ft 7 in) tall and 3 centimetres (1.2 in) in diameter, but they span a range of sizes from tall trees to shrubs with subterranean stems and are sometimes single-stemmed. Stems can be as narrow as 0.3-0.5 centimetres (0.1-0.2 in) in B.aubletiana or as broad as 25 centimetres (10 in) in B. gasipaes.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Arecales
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Family: Arecaceae
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Genus: Bactris
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