Raymond Mervyn Harley

Learn More
A new species of Polygala (Polygalaceae) subgenus Polygala, Polygala tacianae J. F. B. Pastore & Harley is described and illustrated. The species is endemic to a small area in the Chapada dos Veadeiros, Goiás state. The relationships of the new species are discussed and a full description, together with illustration is provided.
The species known in the Federal District of Brazil as Oocephalus lythroides (formerly referred to as Hyptis lythroides) is actually a new species, with characters distinct from type material of O. lythroides, collected in the western part of Goiás state, near the border with Mato Grosso. The new species is named in honour of Dra Graziela Barroso. It is(More)
This is a review of the recently described Brazilian genus Physominthe, composed of two species, one of which, P. longicaulis from northern Bahia, is published for the first time here. After a brief introduction, there is a description of the genus, a key to species followed by full descriptions, citation of specimens, details of habitat, phenology and(More)
Three new species of Oocephalus from Bahia state, Northeast Brazil, O. ganevii, O. rigens and O. tenuithyrsus, are described and illustrated, and a new form of O. silvinae described. Details of habitat and conservation status of these are included. Morphological relationships to other species of the genus are given. Tres species novas do gênero Oocephalus,(More)
After a systematic revision of Portulaca L. (Portulacaceae) from Brazil, which included field work, studying herbarium specimens and relevant literature and original elements, the taxonomic observations and nomenclatural notes are here reported. Types were sought and most of them located. Synonymies (20), lectotypes (5), epitype (1) and neotype (1) are(More)
A new species of Cantinoa, C. nanuzae, from the Cadeia do Espinhaço range in Minas Gerais State, is described and illustrated. The genus Cantinoa is a split from Hyptis, and brings together a number of species previously placed in several sections of the latter genus. The new species is compared to C. heterodon and to C. racemulosa, to which it is(More)