Three new species of Eugenia (Myrtaceae) from the Atlantic Forest of southeastern Brazil

被引:1
|
作者
Fernandes, Thiago [1 ]
Giaretta, Augusto [2 ]
Sobral, Marcos [3 ]
Souza, Marcelo Da Costa [4 ]
Alvarenga Braga, Joao Marcelo [1 ]
机构
[1] Inst Pesquisas Jardim Bot Rio de Janeiro, Rua Pacheco Leao 915, BR-22460030 Rio De Janeiro, RJ, Brazil
[2] Fundacao Univ Fed Grande Dourados, Fac Ciencias Biol & Ambientais, Unidade 2,Caixa Postal 364, BR-79804970 Dourados, MS, Brazil
[3] Univ Fed Sao Joao del Rei, Dept Ciencias Nat, Praca Dom Helvecio 74, BR-36301160 Sao Joao Del Rei, MG, Brazil
[4] Univ Fed Rural Rio de Janeiro, BR-465,Km 7, BR-23890000 Seropedica, RJ, Brazil
关键词
Brazilian flora; Eugenia sect; Schizocalomyrtus; Umbellatae; Myrteae; neotropical region; taxonomy; Rio de Janeiro; Espirito Santo; NOMENCLATURAL NOTES; FUSED CALYX; MYRTEAE;
D O I
10.11646/phytotaxa.552.1.4
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Three new species of Eugenia from the Atlantic rainforest of southeastern Brazil are here described, illustrated and compared with morphologically similar species. Additionally, a distribution map is provided and preliminary conservation statuses are proposed. Eugenia cabofriana can be recognized by its tomentose young shoots and leaves, fasciculiform inflorescences, tomentose pedicels and ovary, and glabrous calyx. Eugenia longimitra is remarkably distinctive due to its auxotelic and racemiform inflorescences, and flower buds with a rostrate apiculum, which at anthesis opens often through a calyptra or sometimes by irregular longitudinal tearing in two halves. Eugenia pachypoda can be recognized mainly by its leaves with adaxially biconvex midvein, petioles absent or up to 2 mm long, leaf bases obtuse or cordiform, pedicels corky and detaching in thin, longitudinal plates, and flower buds with the calyx visibly less pilose than the ovary.
引用
收藏
页码:51 / 62
页数:12
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