(Last Modified On 11/13/2012)
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(Last Modified On 11/13/2012)
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Species
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HYDRANGEA PRESLII Briq.
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PlaceOfPublication
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Ann. Conserv. & Jard. Bot. Geneve 20:409. 1919.
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Synonym
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Cornidia umbellata Ruiz & Pav. Syst. Veg. 91. 1798. Sarcostyles Peruviana Presl, ex DC. Prodr. 4:15. 1830, Hydrangea umbellata Briq. loc. cit. 411. 1919, Hydrangea ecuadorensis Briq. loc. cit. 410. 1919. Hydrangea Briquetii Engler, in Engl. & Prantl, Nat. Pflanzenfam. 18a:207. 1930.
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Description
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Woody climbers or shrubs, pubescence of stellate hairs sparse to moderate on inflorescence and adjoining stem; leaves oval, 9-20 cm. long, 4-9 cm. wide, their length 2 to 3 times their width, margin entire and somewhat undulate, petiole stout, 15-20 mm. long; inflorescence more or less compact, longest branches 4-9 cm. long, sterile flowers absent, fertile flowers maroon; hypanthium 1.5 mm. long; calyx-lobes 0.5 mm. long; petals 1.5-2 mm. long, 1 mm. wide; stamens 8, 1.5-2 mm. long, filaments 1-1.5 mm. long, approximately as long as styles (in Central America); styles usually 3, occasionally 2 or 4, 0.8-1.5 mm. long (during anthesis),
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Habit
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climbers shrubs
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Description
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thickened at base, stigma usually, extending from apex along inner surface; capsule 2 mm. long, 2.5 mm. wide at apex, mature styles 1.5-2 mm. long.
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Distribution
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Costa Rica, Panama, Ecuador, and Peru.
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Specimen
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COCLE: vicinity La Mesa, hills north of El Valle de Ant6n, 1000 m., Allen 2332.
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Note
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Hydrangea Preslii differs from the other two species in the lack of sterile flowers and in the number and shape of the styles. The styles are usually 3, although oc- casional flowers may have 2 or 4. They are thickened at the base and attenuate toward the apex, while in the others they are slender or clavate.
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