Works on Plant Diversity and Evolution

Recent collections received for identification contain three conspicuous new species for the mid altitude forests of Amazonian Peru. Licania palcazuensis, L. apiknae and L. montea…

A revision of the New Zealand Kunzea ericoides complex is presented. This paper is the final of a series that has explored the systematics of the New Zealand Kunzea complex using …

Hibiscadelphus stellatus H. Oppenheimer, Bustamente, & Perlman, sp. nov., a new, narrowly endemic species from West Maui, Hawaiian Islands is described, illustrated and its affini…

A new species of Solanum is described from Peru. Solanum junctum S. Stern & M. Nee, sp nov. is a member of the Torva clade of the spiny solanums (Leptostemonum clade). The narrow …

The new species Cissampelos arenicola M. Nee & R. Ortiz, from the Bolivian and Paraguayan Chaco is described, its affinities are discussed, and its preliminary conservation status…

Three new Brazilian species of the Brevantherum clade of Solanum (Solanaceae) are described, all closely related to the poorly known Solanum inornatum Witasek. Solanum bradei Giac…

A new species of Moraceae is described, illustrated and compared to its close morphological relatives. Dorstenia triseriata presents similarities with Dorstenia turnerifolia but d…

Martinella has traditionally included two species, Martinella iquitoensis and Martinella obovata, that are characterized by the presence of interpetiolar ridges surrounding the st…

Two new species of Eschscholzia are described. Both are found in the deserts of California and one extends outside the state boundary into Arizona. Eschscholzia androuxii Still, s…

A new name, Piptochaetium fuscum, is provided for a taxon hitherto known as Piptochaetium setosum (Trin.) Arechav. Morphological, anatomical, and molecular studies that argue agai…

A new species is described, Lithocarpus orbicarpus Strijk, collected from Ton Pariwat Wildlife Sanctuary, Mueang district, Phang Nga Province in the Peninsular Floristic Region of…

A synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae) is presented, including the description of a new species, Plazia robinsonii M.O.Dillon & Sagást., from a locality c. 20 …

Aristolochia quangbinhensis T.V. Do, a new species from Central Vietnam, is described and illustrated. According to morphology, the species belongs to Aristolochia subgenus Isotre…

The genus Uvariastrum (Annonaceae) is restricted to continental Africa and is characterized by sepals with folded margins, few carpels and numerous stamens. The genus is mainly fo…

A new species of Solanum sect. Solanum from Peru is described here. Solanum pseudoamericanum Särkinen, Gonzáles & S.Knapp sp. nov. is a member of the Morelloid clade of Solanum, a…

During the preparation of the Vascular Flora of the Marquesas Islands three new species of Cyrtandra (Gesneriaceae) have come to light and are described herein: C. uapouensis W. L…

A new species of dioecious Solanum from the Australian “Dioicum Complex” of Solanum subgenus Leptostemonum is described. Solanum cowiei Martine sp. nov., is allied with other memb…

A synopsis of the New World species of Drypetes (Putranjivaceae) with asymmetrical drupes is presented. The group consists of three species: D. alba, with two varieties, from the …

A new species of Coespeletia from the páramos of Mérida (Venezuela) is described here. This species, named Coespeletia palustris, is found in a few marshy areas of the páramo. It …

A morphologically distinct element of the group of Dracaena species from Thailand and Burma with undifferentiated leaf sheaths, no leaf blade central costa, free tepals and free t…

A new mid altitude species of the predominantly lowland genus Licania, L. condoriensis from Ecuador is described and illustrated.

A new liana species of the subfamily Caesalpinioideae (Leguminosae), namely Bauhinia nakhonphanomensis, collected from the Phulangkha National Park, Nakhon Pranom Province, Thaila…

Guzmania panamensis (Bromeliaceae), a new species so far endemic to Veraguas province, Western Panama, is described and illustrated. The new species is recognized due to its pedun…

The Dulcamaroid clade of Solanum contains 45 species of mostly vining or weakly scandent species, including the common circumboreal weed Solanum dulcamara L. The group comprises m…

Ten new combinations from Asagraea, Isidrogaliva, and Tofieldia are proposed in the previously monospecific genus Harperocallis (Tofieldiaceae, Alismatales). As circumscribed here…

Systematic investigations and phylogenetic analyses of the Blakeeae (Melastomataceae) have indicated that Topobea should be synonymized under Blakea, and Huilaea under Chalybea. P…

Murdannia saddlepeakense (Commelinaceae), a new species from the Andaman and Nicobar Islands, India, is described and illustrated. The new species is remarkable for its narrowly l…

A new endemic species of Ridleyandra (Gesneriaceae), R. iminii Siti-Munirah from Peninsular Malaysia is described and illustrated. Among Ridleyandra species, it is the only one wi…

Three hitherto undescribed species of Pilea (Urticaceae) from limestone karst in China are described and illustrated. Affinities of the species are discussed and Global Species Co…

Five new species of Rhodamnia are proposed for New Guinea, including R. asekiensis, R. daymanensis, R. makumak, R. taratot, and R. waigeoensis. Rhodamnia sharpeana, known previous…

Codonoboea personatiflora Kiew & Y.Y.Sam, sp. nov., is described from lowland forest in the foothills in Terengganu, Peninsular Malaysia. It is unique in the genus in its personat…

The Neotropical genus Melothria (Benincaseae, Cucurbitaceae) is a small group of yellow- or white-flowered climbers with small to medium-sized fruits. In 1899, Alfred Cogniaux des…

A new species of spiral ginger (Costus: Costaceae) from Gabon, Africa is described. Costus loangensis H. Maas & Maas is found in the coastal region on white sand soils under a tro…

A new species of Solanum belonging to section Acanthophora (subgenus Leptostemonum) from Argentina and Brazil is described. Solanum neei Chiarini & L.A.Mentz, sp. nov. is found in…

A new combination, Lapanthus vidaliorum (O.B.C. Ribeiro & C.C. Paula) Louzada & Wand. is proposed for Orthophytum vidaliorum O. Ribeiro & C.C. Paula. In addition notes on taxonomy…

Garcinia has some 260 species and is often regarded as a genus with a difficult taxonomy. No recent treatment is available for the botanically rich Lower Guinea phytogeographical …

Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) are described from the Guiana Shield and Amazonian Brazil: Matelea brevistipitata Krings & Morill…

A new species of Psoralea is described. Psoralea karooensis C.H. Stirt., Muasya & Vlok is endemic to mountain streams in the Klein Karoo region of the Western Cape Province, South…

Two new species of forget-me-nots, Myosotis chaffeyorum C.A.Lehnebach sp. nov. and Myosotis mooreana C.A.Lehnebach sp. nov. are described and illustrated. These species are endemi…

Revwattsia fragilis (Watts) D.L. Jones (Dryopteridaceae), originally described as a Polystichum Roth by the pioneer Australian botanist Reverend W.W. Watts in 1914, is a rare epip…

Miconia machinazana C.Ulloa & D.A. Neill, sp. nov., a new species of Melastomataceae from the Ecuador-Peru border is described and illustrated. It is characterized by the narrow, …

The taxonomic revision of the infrequently collected genus Tetrameranthus by Westra (1985) is updated. A new species is described from French Guiana and Amapá, Brazil, increasing …

Eriocaulon madayiparense Swapna, Rajesh, Manju & Prakashkumar, sp. nov. is described and illustrated from the Madayipara, a lateritic hillock in the midland of Kannur District of …

The new genus Alatococcus (Sapindaceae) is described from Espirito Santo, Brazil. Alatococcus seems to be closely related to Scyphonychium of northeastern Brazil, as they both sha…

As part of the preparation of a taxonomic revision of Cestrum (Solanaceae) for Flora Mesoamericana eight hitherto undescribed species from Mexico, Guatemala, Costa Rica and Panama…

We describe Solanum baretiae sp. nov., a new species of Solanum section Anarrhichomenum, named in honor of Jeanne Baret, who sailed as the assistant to botanist Philibert Commerso…

A new andromonoecious species related to the eggplant and belonging to Solanum subgenus Leptostemonum from southern Africa is described. Solanum umtuma Voronts. & S.Knapp, sp. nov…

Elatostema pleiophlebium and E. malipoense, two endemic species from southeast Yunnan of China, are described and illustrated. Their diagnostic characters, description and relatio…

Nuclear and plastid sequences from two individuals of a suspected new species of Coccinia from West Africa were added to an available molecular phylogeny for the remaining 27 spec…

A new species of Solanum from Brazil is described. Solanum evolvuloides Giacomin & Stehmann sp. nov. belongs to section Gonatotrichum, a small group assigned to the Brevantherum C…