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Project Name Data (Last Modified On 11/13/2012)
 

Flora Data (Last Modified On 11/13/2012)
Species HYDRANGEA PERUVIANA Moric.
PlaceOfPublication DC. Prodr. 4:14. 1830.
Synonym Cornidia peruvians (Moric.) Small, in N. Am. Fl. 22:161. 1905. Hydrangea Trianae Briq. in Ann. Conserv. & Jard. Bot. Geneve 20:403. 1919. Hydrangea Panamensis Standl. in Jour. Wash. Acad. Sci. 17:10. 1927. Hydrangea Weberbaueri Engler, in Engl. & Prantl, Nat. Pflanzenfam. 18a:207. 1930. Hydrangea caucana Engl. boc. cit. 206. 1930.
Description Woody climbers or shrubs, pubescence of stellate hairs, sparse to moderate on inflorescence and adjoining stem; leaves oval, 10-23 cm. long, 5-14 cm. wide,- their length 2 to 3 times their width, both surfaces usually glabrous, margin entire to remotely denticulate; inflorescence open and spreading, longest branches 5-15 cm. long; sterile flowers present, pink, fertile flowers maroon, hypanthium 1.5 mm. long; calyx-lobes 0.4 mm. long; petals 1.5 mm. long, 1 mm. wide; stamens 8, 0.4-1.6 mm. long, filaments 0.2-0.9 mm. long, always shorter than styles; styles 2, rarely 3, 1-2 mm. long (during anthesis), clavate, stigma conspicuous, extending from apex along inner surface; capsule 2 mm. long, 2.5 wide at apex, mature styles 2 mm. long.
Habit climbers shrubs
Distribution Costa Rica to Peru.
Specimen COLON: along Rio Fato, 10-100 m., Pittier 3919. CHIRIQUI: Boquete Distr., Bajo Chorro, 2000 m., Davidson 74; valley of the upper Rio Chiriqui Viejo, White 90a.
Note Hydrangea Peruvians Moric. is very close to H. Oerstedii Briq. They are similar in habit, vegetative characters and fruits, and both have showy, pink, sterile flowers. Their only difference lies in the length of their stamens and styles. In H. Oerstedii the filaments are several times longer than the styles. The styles are slender, lack a prominent stigmatic surface and are less than 1 mm. in length. The prominent stamens can be seen with a lens or even the naked eye. The filaments of H. peruviana, on the other hand, are shorter than the styles which are clavate and from 1 to 2 mm. long. With the aid of a hand-lens it should be possible to distinguish between these two species in the field, provided that flowers are present.
 
 
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