Sunday, January 28, 2024

[Botany • 2024] Helicteres ubonensis (Malvaceae) • A New Species from Thailand


Helicteres ubonensis Chantar. & Kantachot, 

in Kantachot et Chantaranothai, 2024. 
  
Abstract 
A new species, Helicteres ubonensis from Thailand, is described and illustrated. The new key to 12 species of Thai Helicteres is provided.

Keywords: Helicteroideae; Ubon Ratchathani; identification key; new species

Helicteres ubonensis Chantar. & Kantachot.
a. Leaves and capsules; b. lower surface of leaf with stellate hairs (black dots); c. flower; d. seeds (a, b, d: P. Chantaranothai et al. 2021-150, c: C. Kantachot 2020-32, all KKU).
— Drawing by Puntiwa Krachai, 2023

 Helicteres ubonensis Chantar. & Kantachot.
a. Habitat; b. twigs and leaves; c, d. capsule.
 — Photos: Chortip Kantachot

Helicteres ubonensis Chantar. & Kantachot, sp. nov. 

Typical of this species are narrowly elliptic-oblong leaves. Corolla purplish white or pinkish. Capsule pointed as beak at the apex and surface covering with stellate hairs.
 
Etymology. The specific epithet refers to the collections from Ubon Ratchathani province where the species was discovered. 


Chortip Kantachot and Pranom Chantaranothai. 2024. Helicteres ubonensis (Malvaceae), A New Species from Thailand. Blumea - Biodiversity, Evolution and Biogeography of Plants. DOI: 10.3767/blumea.2024.69.01.02