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| Piriqueta velutina L.Rocha & Arbo, in Rocha, Arbo, Antar et Costa Batista, 2024. |
Summary
Piriqueta velutina is described as a new species, illustrated, geographically mapped and its diagnostic characteristics and taxonomic affinities are described. The new species can be recognised mainly by the presence of serial branches (branches from serial buds predominantly in the apical portion of the plant), the short internodes and oblique or erect leaves which partially overlap in dried specimens; the ovate to elliptic leaf blade with a golden brown velutinous indumentum, and the conical or bulbous bases of the glandular setiform trichomes, frequently darkened on young leaf margins and on the abaxial surface. Its conservation status is preliminarily assessed as Endangered, it occurs in Brazilian Cerrado (savanna vegetation), in the Jalapão region, state of Tocantins, North region of Brazil.
Key Words: Brazilian flora, Malpighiales, taxonomy, Tocantins, Turneroideae.
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| Piriqueta velutina. A habit, detail showing the leaf indumentum with glandular setiform trichomes with darkened bulbous bases; B – C seed; B raphe view; C lateral view. X = exostome, Z = chalaza (From J. Cordeiro et al. 2768 at HUEFS). Scale bar = 1 mm. Photos: G. M. Antar . |
Piriqueta velutina L.Rocha & Arbo sp. nov.
ETYMOLOGY. The epithet “velutina” refers to the species’ indumentum.
Lamarck Rocha, Maria Mercedes Arbo, Guilherme Medeiros Antar and Fabiane Rabelo da Costa Batista. 2024. Piriqueta velutina (Turneraceae, Passifloraceae s.l.): A New endangered Species from the Brazilian Cerrado. Kew Bull. DOI: 10.1007/s12225-023-10157-1
