Systematic Botany

Vicki A. Funk‐Recipient of the 2018 Asa Gray Award
pp. 1-4(4)
Authors: Wagner, Warren L.; Stevenson, Dennis Wm.; Specht, Chelsea D.

Christopher Martine —Recipient of the 2018 Peter Raven Award
pp. 5-6(2)
Author: Anderson, Gregory J.

Herbarium Practices and Ethics, III
pp. 7-13(7)
Authors: Rabeler, Richard K.; Svoboda, Harlan T.; Thiers, Barbara; Prather, L. Alan; Macklin, James A.; Lagomarsino, Laura P.; Majure, Lucas C.; Ferguson, Carolyn J.

Between Spines and Molecules: A Total Evidence Phylogeny of the Brazilian Endemic Genus Encholirium (Pitcairnioideae, Bromeliaceae)
pp. 14-25(12)
Authors: Moura, Mariana Neves; Santos-Silva, Fernanda; Gomes-da-Silva, Janaína; Pereira de Almeida, João Paulo; Forzza, Rafaela Campostrini

To the Roots of Carex: Unexpected Anatomical and Functional Diversity
pp. 26-31(6)
Author: Hoffmann, Matthias H.

Plastome Phylogenetics of Tribe Eriachneae and Evolution of C₄ Photosynthesis in Subfamily Micrairoideae (Poaceae)
pp. 32-40(9)
Authors: Teisher, J. K.; McKain, M. R.; Schaal, B. A.; Kellogg, E. A.

Morphological and Climatic Variability of Teosinte (Zea spp.) and Relationships Among Taxa
pp. 41-51(11)
Authors: Rivera-Rodríguez, Diana M.; de Jesús Sánchez González, José; De la Cruz Larios, Lino; Santacruz-Ruvalcaba, Fernando; Ruiz Corral, José Ariel

Character Evolution and Recircumscription of the Northern Andean Begonia Section Casparya (Begoniaceae)
pp. 52-65(14)
Authors: Jara-Muñoz, Orlando A.; Richardson, James E.; Madriñan, Santiago

Phylogenetic Placement of New Species with Fused Calyx Reveals Homoplastic Character in Eugenia (Myrtaceae)
pp. 66-73(8)
Authors: Giaretta, Augusto; Amorim, Bruno S.; Sano, Paulo T.; Souza, Gustavo; Lucas, Eve

Molecular and Morphological Analyses Support the Transfer of Gleadovia kwangtungensis to Christisonia (Orobanchaceae)
pp. 74-82(9)
Authors: Tang, Guang-Da; Liu, Jun-Fang; Huang, Lin; Zhu, Chu-Meng; Liu, Li-Hua; Randle, Christopher P.; Yu, Wen-Bin

Historical Biogeography and Temporal Diversification in Symphoricarpos (Caprifolieae, Caprifoliaceae, Dipsacales)
pp. 83-89(7)
Authors: Bell, Charles D.; Gonzalez, Lauren A.

A Morphometric Analysis of Serpocaulon gilliesii (Polypodiaceae) Reveals a New Species for Yungas Montane Forest, S. australe
pp. 90-100(11)
Authors: Sanín, David; Ospina, Juan C.; Moura, Ingridy Oliveira; Salino, Alexandre

Aristolochia lorenae, a New Cauliflorous Aristolochia (Aristolochiaceae) from the Brazilian Amazonian Forest
pp. 101-106(6)
Authors: Freitas, Joelcio; González, Favio; Alves-Araújo, Anderson

A New Species of Trillium (Melanthiaceae) from Central Georgia and its Phylogenetic Position in subgenus Sessilium
pp. 107-114(8)
Authors: Schilling, Edward E.; Floden, Aaron; Lampley, Jayne; Patrick, Thomas S.; Farmer, Susan B.

Taxonomic Revision of Campylocentrum sect. Laevigatum E. M. Pessoa & M. W. Chase (Orchidaceae‐Vandae‐Angraecinae)
pp. 115-132(18)
Authors: Pessoa, Edlley; Alves, Marccus

Mimosa cerifera, a New Threatened Species from the Pampa Biome, Southern Brazil
pp. 133-138(6)
Authors: Silveira, Fernanda Schmidt; Bordignon, Sérgio A. L.; Sfoggia Miotto, Silvia T.

Brongniartia bicornuta (Leguminosae, Papilionoideae), a New Species from the Seasonally Dry Tropical Forests of the Balsas River Basin, México
pp. 139-145(7)
Authors: Dorado, Óscar; Arias, Dulce M.; de Jesús-Almonte, José M.

A Revision of Cuphea section Amazoniana s. s. (Lythraceae)
pp. 146-183(38)
Author: Graham, Shirley A.

Sida uniaristata, a New Species of Sida sect. Sidae L. (Malvaceae, Malvoideae) from Brazil
pp. 184-188(5)
Authors: Yoshikawa, Vania Nobuko; Duarte, Marília Cristina; Gonçalez, Victor Martins

Morphological and Molecular Evidence for a New Species of Bolanthus (Caryophyllaceae) from Turkey
pp. 189-196(8)
Authors: Koç, Murat; Hamzaoğlu, Ergin; Büyük, İlker

Two New Species of Prestonia (Apocynaceae) from Colombia, Ecuador, and Peru
pp. 197-202(6)
Authors: Morales, J. Francisco; Cornejo, Xavier

Hexasepalum nordestinum (Rubiaceae): A New Species from Two Disjoint and Fragmented Areas in Northeast Brazil, with a Key to the American Species of the Genus
pp. 203-209(7)
Authors: Cabaña Fader, Andrea A.; Bezerra de Souza, Elnatan; de Sousa Brandão, Ellen K.; Cabral, Elsa L.

A Revision of the Solanum asterophorum Species Group (subg. Leptostemonum)
pp. 210-232(23)
Authors: Gouvêa, Yuri; Stehmann, João

Chryselium, a New South American Genus Segregated from Helichrysum (Asteraceae, Gnaphalieae)*
pp. 233-242(10)
Authors: Freire, Susana E.; Urtubey, Estrella