[Botany • 2020] Macrotorus genuflexus (Monimiaceae: Mollinedioideae) • Cytogenetics, Geographic Distribution, Conservation, and a New Species of Macrotorus from the Brazilian Atlantic Forest

 

Macrotorus genuflexus  Lírio & Peixoto, 

in Lírio, Peixoto, Sano et Moraes. 2020. 

 DOI: doi.org/10.1600/036364420X16033962925231   

 Researchgate.net/publication/378096987

 

Abstract

A new species of Macrotorus (Monimiaceae) from the Brazilian Atlantic rainforest is here described and illustrated: Macrotorus genuflexus. This species, restricted to the Poço das Antas Biological Reserve (situated in the central region of Rio de Janeiro state, Brazil), is the second in the genus Macrotorus. The new species description is based on morphological and cytogenetic (karyotype and genome size) comparative analyses. We also report a new record of Macrotorus utriculatus for the state of Bahia, confirming a potential distribution modelling prediction, and provide comments for the conservation of both species.

  Line drawing of Macrotorus genuflexus.  
 A. Branch with staminate flowers. B. Carpel detail. C. Pistillate flower dissected showing the inner receptacle and carpels. D. Detail of the trichomes on the abaxial face of the leaf lamina. E. Pistillate inflorescence. F. Staminate inflorescence. G. Detail of the flower dissected in longitudinal section showing the stamens. H. Internal stamen. I. External stamen. J. Multiple fruit and drupelet. K. Drupelet with section of the pericarp showing the seed.

 Illustrated by Susana F. Souza. 

Vouchers: E. J. Lírio & M. Ribeiro 1351 (A, D, F, G, H, I); 1352 (J, K); 1353 (B, C, E).

Photos of Macrotorus genuflexus.  
 A. Habit. B. Trunk. C. Branch with staminate flowers. D. Staminate inflorescence. E. Staminate flower tepals. F. Detail of staminate flower dissected in longitudinal section showing the genuflexed stamens. G. Pistillate inflorescence with lanceolate bracts. H. Cluster of fruits. I. Seed.

Photos: Elton J. Lírio (A, B, C, D, I, J); Michel Ribeiro (E, F, G, H). Vouchers: E. J. Lírio & M. Ribeiro 1351 (A, B, C, D, E, F); 1353 (H, I), 1352 (G).

 

Elton John de Lírio, Ariane Luna Peixoto, Paulo Takeo Sano, and Ana Paula Moraes. 2020. Cytogenetics, Geographic Distribution, Conservation, and a New Species of Macrotorus (Mollinedioideae, Monimiaceae) from the Brazilian Atlantic Forest. Systematic Botany. 45(4), 754-759. DOI: doi.org/10.1600/036364420X16033962925231 (8 December 2020). 

 Researchgate.net/publication/378096987_Mollinedia_lorencei_a_new_species_endemic_to_the_Atlantic_Forest_in_the_state_of_Bahia_Brazil

[Botany • 2024] Mollinedia lorencei (Laurales: Monimiaceae) • A New Species endemic to the Atlantic Forest in the State of Bahia, Brazil

Mollinedia lorencei Borges-Lima, Zavatin & Lírio,

in Borges de Lima, Zavatin, Peixoto, Sano et Lírio, 2024.

DOI: 10.1111/njb.04248 

 Researchgate.net/publication/378096987

Abstract

We provide a description and illustration of Mollinedia lorencei, sp. nov. The species exhibits morphological similarities and is compared to both M. lamprophylla and M. dolichotricha. Furthermore, we provide comments on the taxonomy, ecology, geographic distribution and conservation status of this new species.

Keywords: Flora of Bahia, Flora of Brazil, Mollinedia lorencei, Mollinedieae, Mollinedioideae, new taxon, taxonomy, threatened species

 

Mollinedia lorencei Borges-Lima, Zavatin & Lírio, sp. nov.

Lucas Borges de Lima, Danilo Alvarenga Zavatin, Ariane Luna Peixoto, Paulo Takeo Sano and Elton John de Lírio. 2024. Mollinedia lorencei (Monimiaceae, Laurales), A New Species endemic to the Atlantic Forest in the State of Bahia, Brazil. Nordic Journal of Botany. DOI: 10.1111/njb.04248

  Researchgate.net/publication/378096987_Mollinedia_lorencei_a_new_species_endemic_to_the_Atlantic_Forest_Bahia_Brazil

  twitter.com/NordicJBotany/status/1772611924858953934

[Botany • 2023] Mollinedia arianeae (Monimiaceae: Mollinedioideae: Mollinedieae) • A New Microendemic Species from the Atlantic Forest in Rio de Janeiro State, Brazil

Mollinedia arianeae Lírio & M.Pignal, 

in Lírio, Zavatin & Pignal, 2023.

 DOI: 10.5252/adansonia2023v45a6

 sciencepress.mnhn.fr/en/periodiques/adansonia/45/6 

 facebook.com/Johnlirio7 

In this paper we describe Mollinedia arianeae Lírio & M.Pignal, sp. nov., a new microendemic species from the Itatiaia National Park, at the Rio de Janeiro state, Brazil. The new species is most similar to M. jorgearum Peixoto and M. leucantha Molz & D.Silveira, being differentiated of them mainly by the habit, shape and colour of leaves when dried, type and indumentum of inflorescence, shape of the receptacle and margin of tepals shape in staminate flowers. We provide a morphological description, a comparison with related species, geographic distribution, comments on ecology and a preliminary extinction risk assessment. Beyond the academic readership, we believe that it is essential to promote science, technology and education in Brazil. We therefore also propose a summary in Portuguese intended for amateur botanists and students who may be interested in this work.

 

KEYWORDS: flora of Brazil, flora of Rio de Janeiro, morphology, tropical biodiversity, plant conservation, Endemism, extinction risk assessment, IUCN status, 

Mollinedia arianeae Lírio & M.Pignal, sp. nov.

Mollinediae jorgearum M. leucanthaeque similis, sed M. jorgearum minore altitudine (statura) (c. 3,5 m vs c. 9 m), foliorum base cuneiformi (vs obtusam vel rotundatam), foliorum apice acuto vel attenuato (vs acutum vel acuminatum), in sicco foliis discoloribus superne flavidis vel viridulis inferneque brunneolis (vs ambas pagines concolores bruneasque), floribus masculis pilis dimorphis, granulosis erectisque (vs uniformos flavescento-tomentosos), et M. leucanthae floribus masculis bracteis bracteolisque persistentibus (vs caducas), receptaculo plano (vs campanulatum), internis tepalis margine integra (vs dentatam) praecipue differt.

Elton John De Lírio, Danilo Alvarenga Zavatin and Marc Pignal. 2023. Mollinedia arianeae Lírio & M.Pignal, sp. nov. (Mollinedieae, Mollinedioideae, Monimiaceae): une nouvelle espèce microendémique de la forêt atlantique dans l'état de Rio de Janeiro, Brésil [Mollinedia arianeae Lírio & M.Pignal, sp. nov. (Mollinedieae, Mollinedioideae, Monimiaceae): A New Microendemic Species from the Atlantic Forest in Rio de Janeiro State, Brazil.]. Adansonia. 45(6); 83-91. DOI: 10.5252/adansonia2023v45a6

 sciencepress.mnhn.fr/en/periodiques/adansonia/45/6

  facebook.com/Johnlirio7/posts/6202491006481905

Dans cet article, nous décrivons Mollinedia arianeae Lírio & M.Pignal, sp. nov., une nouvelle espèce microendémique du Parc national d'Itatiaia, dans l'état de Rio de Janeiro, au Brésil. La nouvelle espèce est très similaire à M. jorgearum Peixoto et M. leucantha Molz & D.Silveira et se différencie d'elles principalement par le port, la forme et la couleur des feuilles une fois séchées, le type et l'indument de l'inflorescence, la forme du réceptacle et le contour des tépales des fleurs staminées. Nous fournissons une description morphologique, une comparaison avec les espèces apparentées, la distribution géographique, des commentaires sur l'écologie et une évaluation préliminaire du risque d'extinction. Au-delà du lectorat académique, nous pensons qu'il est indispensable de promouvoir la science, la technologie et l'éducation au Brésil. Nous proposons donc aussi un résumé en portugais destiné aux botanistes amateurs et aux étudiants qui pourraient être intéressés par ce travail.

Flore du Brésil, flore de Rio de Janeiro, morphologie, biodiversité tropicale, conservation des plantes, endémisme, évaluation du risque d'extinction, statut UICN,