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. 2016 Dec 22:4:e2822.
doi: 10.7717/peerj.2822. eCollection 2016.

Three new species of Bertolonia (Melastomataceae) from Espírito Santo, Brazil

Lucas F Bacci  1 , André M Amorim  2 , Renato Goldenberg  3
Affiliations

Three new species of Bertolonia (Melastomataceae) from Espírito Santo, Brazil

Lucas F Bacci et al. PeerJ. .

Abstract

We describe and illustrate three new species of Bertolonia, all endemic to the state of Espírito Santo, Brazil. Bertolonia duasbocaensis and B. macrocalyx occur close to each other, in the municipalities of Cariacica and Viana. Bertolonia ruschiana has a wider distribution, occurring in the municipalities of Santa Leopoldina, Santa Maria de Jetibá and Santa Teresa. The first two species are classified as critically endangered (CR), and the latter as endangered (EN). We also present an identification key for the species of Bertolonia that occur in Espírito Santo.

Keywords: Atlantic forest; Bertolonieae; Endemism; Taxonomy.

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Conflict of interest statement

The authors declare there are no competing interests.

Figures

Figure 1
Figure 1. Bertolonia duasbocaensis.
(A) Habit. (B) Detail of the abaxial surface of the leaf. (C) Detail of the adaxial surface of the leaf. (D) Abaxial surface of the leaf showing the ciliate margin. (E) Flower bud. (F) Adaxial view of the petal. (G) Detail of the petal apex covered with sessile and short-stalked glands. (H) Lateral view of the stamens. (I) Fruit. (J) Seeds. (A–D) from R.C. Forzza et al. 5035; (E–H) from R. Goldenberg et al. 1249; I and J from R. Goldenberg et al. 1210).
Figure 2
Figure 2. Bertolonia duasbocaensis.
(A) Habit. (B) Infructescence. (C) Adaxial surface of the leaf. (D) Stem and petioles. (E) Inflorescence. (F) Fruit. (G) Flowers on lateral view. (Photos by R. Goldenberg).
Figure 3
Figure 3. Bertolonia macrocalyx.
(A) Habit. (B) Detail of the adaxial surface of the leaf. (C) Detail of the abaxial surface of the leaf. (D) Adaxial surface of the leaf showing the ciliate margin. (E) Petioles. (F) Flower. (G) Petals of a flower bud showing the sesille and short-stalked glands on the upper half. (H) Frontal view of the calyx. (I) Lateral view of the stamens. (J) Fruit. (A–I from R. Goldenberg et al. 1235; J from C.N. Fraga et al. 2049).
Figure 4
Figure 4. Bertolonia macrocalyx.
(A) Habit. (B) Inflorescence. (C) Frontal view of the calyx and ovary apex. (D) Lateral view of old flowers. (E) Lateral view of the flowers. (F) Frontal view of the flowers. (G) Stamens (Photos by CN Fraga).
Figure 5
Figure 5. Bertolonia ruschiana.
(A) Habit. (B) Detail of the abaxial surface of the leaf. (C) Detail of the abaxial surface of the leaf showing the ciliate margin. (D) Hypanthium, calyx and style. (E) Lateral view of the stamens. (F) Flowers and flower bud. (G) Detail of the petals apex covered with sessile and short-stalked glands. (H) Adaxial view of the petal. (I) Fruit. (J) Seeds. (A, I and J from L. Kollmann and E. Bausen 4553; B–H from L.F. Bacci et al. 321).
Figure 6
Figure 6. Bertolonia ruschiana.
(A) Habit. (B) Petiole. (C) Abaxial surface of the leaf blade. (D) Stem. (E) Flowers and flower buds. (F) Inflorescence. (G) Infructescense. (Photos by L.F. Bacci).
Figure 7
Figure 7. Map with the collection localities of the new species: (A) South America, the state of Espírito Santo in black; (B) Detail of the state of Espírito Santo and the neighboring states, the collection points in black; (C) Collection points.
Conservation Units: 1- Duas Bocas Biological Reserve, 2- Santa Lúcia Ecological Reserve, 3- São Lourenço Natural Municipal Reserve, 4- Augusto Ruschi Biological Reserve.
See this image and copyright information in PMC

References

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