[Botany • 2020] Coleus bolavenensis (Lamiaceae) • A New Species from Bolaven Plateau, southern Laos

Coleus bolavenensis Suddee, Tagane & Rueangr.

in Suddee, Tagane, Souladeth, et al., 2020. 

ຫນວດປາຫມຶກ || DOI: 10.20531/tfb.2020.48.1.14

ABSTRACT

Coleus bolavenensis, a new species from Bolaven Plateau, southern Laos is described and illustrated. A preliminary conservation status is provided.

Keywords: Anisochilus, Bolaven Plateau, Champasak Province, Dong Hua Sao NPA

     

Coleus bolavenensis Suddee, Tagane & Rueangr.,
 A. Habit; B. Branches and leaves; C–D. Flowers; E. Fresh infructescence; F. Dry infructescence.

A–C, F. by  S. Tagane; D–E. by S. Rueangruea.

Coleus bolavenensis Suddee, Tagane & Rueangr., sp. nov.

Similar in morphology to Coleus harmandii (Doan ex Suddee & A.J.Paton) A.J.Paton but differs in having inflorescences simple (vs much branched in C. harmandii), leaves almost glabrous,  with short hairs on mid-vein and secondary veins beneath (vs tomentose beneath in C. harmandii), and corolla bluish-purple (vs white or whitish-purple in C. harmandii).

Vernacular.— Nuat pla muek (ຫນວດປາຫມຶກ).

Etymology.— The epithet refers to the type locality.

    

Somran Suddee, Shuichiro Tagane, Phetlasy Souladeth, Deuantar Kongxaisavath, Sukid Rueangruea, Yoshihisa Suyama and Eizi Suzuki. 2020. Coleus bolavenensis (Lamiaceae), A New Species from Laos. Thai Forest Bulletin (Botany). 48(1), 82-85.  DOI: 10.20531/tfb.2020.48.1.14