Stachys semsurensis (Lamiaceae), a new species from Adıyaman province (Turkey) belonging to section Infrarosularis

Fırat M.

Phytotaxa, vol.511, no.3, pp.275-282, 2021 (SCI-Expanded)

  • Publication Type: Article / Article
  • Volume: 511 Issue: 3
  • Publication Date: 2021
  • Doi Number: 10.11646/phytotaxa.511.3.6
  • Journal Name: Phytotaxa
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, BIOSIS, CAB Abstracts
  • Page Numbers: pp.275-282
  • Van Yüzüncü Yıl University Affiliated: Yes


A new species, Stachys semsurensis (sect. Infrarosularis), is described and illustrated from Adıyaman province, Turkey. From

the morphological point of view, it appears to be similar to Stachys cataonica, but it differs in several morphological features

including densely covered with short stalked to subsessile glandular hairs in flowering stems, verticillasters congested into

± globose head, calyx teeth lanceolate-subulate, corolla white, tube exserted and nutlets obovoid, greyish-brown, reticulate.

A comprehensive description of the new species is provided, including detailed photographs, geographical distribution map,

habitat structure and ecology, vernacular name and IUCN conservation status.