(Last Modified On 10/24/2012)
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(Last Modified On 10/24/2012)
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Genus
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CRYOSOPHILA Blume.
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Common
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Escoba
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Synonym
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CRYOSOPHILA Blume, in Rumphia 2:53, in nota. 1836. Acanthorrhiza Wendl. in Gartenfl. 18:241. 1869; Bot. Zeit. 37:147. 1879.
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Description
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Arboreous but not very tall fan-leaved single-trunk palms, with branching and.more or less extensive root-thorns on the trunk or at least near the base of it but the plants devoid of true spines: leaf-blades glaucous or very thinly pubescent on lower surface, divided to near the base into many narrow segments: spadices interfoliar, briefly branched, usually shorter than the leaves, the clusters attended by broad and conspicuous papery more or less tomentose nodifronds: flowers hermaphrodite, the parts in 3's; petals free or connate; 6 stamens and .3 stigmas exserted from the more or less closed perianth at full anthesis, filaments united part of their length; ovary 3 -loculed: fruit drupe-like, globose, oblong or short- pyriform, 2-3 cm. or less long, exterior fleshy but usually firm at maturity, con- taining commonly a single pea-like seed.
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Note
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Five recognized species, Mexico to Panama. One of them, the Mexican C. nana (Acanthorrhiza acuteata, A. Mocinii) has been grown in palm houses.
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Key
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a. Lower surface of leaf-blade finely but definitely appressed-pubescent, nerves not rusty, and also silvery:, fruit more or less pyriform, often 2.5 cm. long . - _ - _ - - - _ - --------- - 1. C. WARSCEWICZII aa. Lower surface of leaf-blade dull white-tomentose and usually also silvery, nerves brownish to rusty: fruit short-obovoid to globose, 17 mm. or less long _ 2. C. ALBIDA
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