A new species of Luehea (Malvaceae, Grewioideae) from the Brazilian Atlantic Forest

Gerace, Samuele; Bovini, Massimo G.; Baumgratz, José Fernando A.

doi:10.1590/1677-941X-ABB-2023-0229

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Original Article • Acta Bot. Bras. 39 • 2025 • https://doi.org/10.1590/1677-941X-ABB-2023-0229 linkcopy

A new species of Luehea (Malvaceae, Grewioideae) from the Brazilian Atlantic Forest

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We describe here the new species Luehea peruzziana Gerace, Bovini & Baumgratz, endemic to the Brazilian Atlantic Forest, and restricted to the state of Espírito Santo, in the south-eastern region of the country. Morphological description, illustration with details of vegetative and reproductive structures, and comments on taxonomy, distribution, phenology, and conservation status are provided. Furthermore, given the morphological similarity with L. ochrophylla Mart., a comparative analysis between these two taxa is reported.

Keywords:
Espírito Santo; Grewioideae; Flora of Brazil; Neotropics; taxonomy

Characters	Luehea peruzziana	Luehea ochrophylla	Luehea conwentzii
Involucral bracts sizes	9-14 × 3-5 mm	11-15 × 3-4.5 mm	3-6 × 1-1.5 mm
Involucral bracts: size of trichomes	Two sizes	Uniform	Uniform
Anthopodium	Present	Absent	Absent
Sepals: trichomes on the adaxial surface	Only base	Base and apex	Base and apex
Corolla colour	White	Yellow	White
Corolla sizes	17-21 × 6-9.5 mm	10-15 × 7-9 mm	8-17 × 2-3.4 mm
Petals shape	Obovate	Obovate	Linear
Stamens length	10-12 mm	8-9 mm	5-10 mm
Staminodes length	7-9 mm	4.5-5.5 mm	2.7-8 mm
Capsule shape	Elliptic	Obovate	Elliptic
Capsule trichomes	Tomentose	Tomentose	Villous
Seed length	10-12 mm	9.5-10.5 mm	7.5-11.4 mm

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Sociedade Botânica do Brasil SCLN 307 - Bloco B - Sala 218 - Ed. Constrol Center Asa Norte CEP: 70746-520 Brasília/DF. - Alta Floresta - MT - Brazil
E-mail: acta@botanica.org.br

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