Boraginales (Boraginaceae s.l.) and Lamiales (Lamiaceae and Verbenaceae) in a Conservation Area in the Semiarid Region of Northeastern Brazil

Abstract A taxonomic treatment for Boraginales (Boraginaceae s.l.) and Lamiales (Lamiaceae and Verbenaceae) in the Engenheiro Avidos Ecological Park, a full-protection reserve located in the semiarid region of Paraíba State in northeastern Brazil is presented in this study. At the Park, a total of 22 species were encountered, including nine species of Boraginaceae s.l., six species of Lamiaceae, and seven species of Verbenaceae. Vitex orinocensis (Lamiaceae) was found for the first time for Caatinga and also represents a new record for Paraíba state. Morphological descriptions, keys for separating the families and respective species; data concerning flowering, fruiting, geographic distributions, and of the preferred habitats of the species found in the study area are also provided.

摘要 本研究针对位于巴西东北部帕拉伊巴州（Paraíba State）半干旱地区的完全保护保护区——工程师阿维杜斯生态公园（Engenheiro Avidos Ecological Park）内的紫草目（Boraginales）与唇形目（Lamiales）类群开展了分类学处理，其中紫草目类群涵盖广义紫草科（Boraginaceae s.l.），唇形目类群涵盖唇形科（Lamiaceae）与马鞭草科（Verbenaceae）。本研究在该公园中共记录到22个物种，其中广义紫草科9种、唇形科6种、马鞭草科7种。奥里诺科牡荆（Vitex orinocensis，唇形科）为卡廷加（Caatinga）植被的首次记录物种，同时也是帕拉伊巴州的新分布记录。本研究同时提供了各分类群的形态描述、分科及分种检索表，以及研究区域内各物种的开花、结实情况、地理分布与偏好生境等相关数据。