Wednesday, December 4, 2024

[Botany • 2024] Anthurium pedrovianae (Araceae) • A New Species from the canga vegetation of the Serra dos Carajás, Pará, Brazil

 

Anthurium pedrovianae Nadruz & Camelo, 
  
in Camelo et Coelho, 2024.

Abstract
A new species of Anthurium section PachyneuriumA. pedrovianae sp. nov. is described and occurs in canga vegetation of Serra dos Carajás, Pará State, Brazil. Information on conservation status, taxonomy, habitat, geographic distribution, and phenology is provided. Morphologically, the new species is similar to A. lindmanianum but differs from that species peduncle > 3 times the size of the petiole and a spadix < 6 cm long., stipe 6.0–11.0 cm long., purple at the base at the junction with the peduncle, berries are entirely purple, obovate, brown, warty seeds. Additionally, an identification key to distinguish the Pachyneurium species present in Pará is included.

Alismatales, biodiversity, canga (ferric soil), endemism, species discovery, Monocots

Anthurium pedrovianae Nadruz & Camelo.
A. Habit showing a detail the ferric soil; detail of inflorescence at anthesis. B.Erect plant with two inflorescences. C. Elliptical leaf blade with straight margins. D. Detail of midrib and primary lateral veins prominentat the abaxial surface. E. Inflorescence erect, green peduncle, spate greenish to yellowish, patent, long stipe greenish with a dark-purpledetail at the junction at the spathe, spadix conical, purple with white pollen grains. F. Detail of spadix in anthesis. G. Spadix at pos-anthesisgrey, immature berries greenish, mature berries purple. H. Berries entire purple and tepalar filaments are absent.
Photos A–B; F—André-Cardoso; C–E, H—Luiz Otávio Adão; G—Mel C. Camelo.


Mel C. Camelo and Marcus A.N. Coelho. 2024. A New Species of Anthurium (Araceae) from the canga vegetation of the Serra dos Carajás, Pará, Brazil. Phytotaxa. 652(2); 142-148. DOI: doi.org/10.11646/phytotaxa.652.2.6