New Ouratea Species (Ochnaceae) from Venezuela and Adjacent Countries

Descriptions and illustrations are provided for the following new species: Ouratea lajaensis Sastre and O. arbobrevicalyx Sastre (sect. Kaieteurea), O. kanukuensis Sastre, O. pseudomarahuacensis Sastre (sect. Ouratea), O. multibracteata Steyermark ex Sastre, O. heterobracteata Sastre (sect. Ouratell...

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Bibliographic Details
Published in:Novon (Saint Louis, Mo.) Mo.), 2001, Vol.11 (1), p.105-118
Main Author: Sastre, Claude
Format: Article
Language:English
Subjects:
Branches
Calyx
Carpels
Holotypes
Inflorescences
Isotypes
Leaf blade
Peduncle
Petioles
Saliency
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Description
Summary:Descriptions and illustrations are provided for the following new species: Ouratea lajaensis Sastre and O. arbobrevicalyx Sastre (sect. Kaieteurea), O. kanukuensis Sastre, O. pseudomarahuacensis Sastre (sect. Ouratea), O. multibracteata Steyermark ex Sastre, O. heterobracteata Sastre (sect. Ouratella), O. vieirae Sastre, O. papulosa Sastre, O. orisina Sastre (sect. Caducae, with spicate inflorescences), O. saldariagae Sastre, O. pulverulenta Sastre, O. obovata Sastre (sect. Caducae, with short, paniculate inflorescences), O. fusiformis Sastre, O. megaphylla Sastre, O. maguirei Sastre, O. rorida Sastre, O. elongata Sastre, O. maigualidae Sastre (sect. Caducae, with large, paniculate inflorescences). In addition, a new combination is made for Ouratea stipulata (Vellozo) Sastre (basionym Ochna stipulata Vellozo), and a short biogeographical synthesis of the Ouratea in the Guayana Shield is presented.
ISSN:1055-3177
DOI:10.2307/3393218