Novon publishes peer-reviewed, short articles, whose primary purpose is the establishment of nomenclature in vascular plants and bryophytes. Two new genera (Megacorax, Onagraceae; Socotrella, Apocynaceae) are described in this issue.
CONTENTS OF NOVON 12(3)
New Species of Alyssum, Aphragmus, Arabis, and Sinosophiopsis (Brassicaceae) from China and India. Ihsan A. Al-Shehbaz
Six New Species of Draba (Brassicaceae) from the Himalayas. Ihsan A. Al-Shehbaz
Lesquerella is United with Physaria (Brassicaceae). Ihsan A. Al-Shehbaz and Steve L. O’Kane, Jr.
Socotrella, a New Genus of Stapeliad (Apocynaceae--Asclepiadoideae) from the Island of Socotra. P. V. Bruyns and A. G. Miller
Contributions Toward a Monograph of Petalophyllum (Marchantiophyta). Barbara J. Crandall-Stotler, Raymond E. Stotler and C. Heather Ford
A New Andean Species and a New Combination in Oreobolopsis (Cyperaceae). Sandra Dhooge and Paul Goetghebeur
Bombacaceae Neotropicae Novae vel Minus Cognitae III. Nuevas Especies de Matisia y Quararibea de Colombia. Jose Luis Fernandez-Alonso
Notes and New Species of Moraea (Iridaceae: Iridoideae) from the Southern African Winter-Rainfall Zone. Peter Goldblatt and John C. Manning
Megacorax gracielanus (Onagraceae), a New Genus and Species from Durango, Mexico. M. Socorro Gonzalez Elizondo, I. Lorena Lopez Enriquez and Warren L. Wagner
Compsoneura diazii (Myristicaceae), a New Species from the Rio Cenepa Area of Northwestern Peru. John P. Janovec
Three New Species of Symplocos (Symplocaceae) from Panama and Costa Rica. Lawrence M. Kelly and Frank Almeda
A New Variety of Miconia ceramicarpa (Melastomataceae) from French Guiana. Claire V. Martin
Paysonia, a New Genus Segregated from Lesquerella (Brassicaceae). Steve L. O’Kane, Jr. and Ihsan A. Al-Shehbaz
Novae Gesneriaceae Neotropicarum X: A New Species of Achimenes from Mexico. Angelica Ramirez Roa and Laurence E. Skog
Oxypetalum rusticum (Apocynaceae, Asclepiadoideae), a New Species from the Espinhaco Range, Minas Gerais, Brazil. Alessandro Rapini
Additions to Neocuatrecasia (Eupatorieae: Asteraceae). Harold Robinson
Three New Species of Piptocarpha (Asteraceae: Vernonieae) from Ecuador and Peru. Harold Robinson
New Taxa and a New Combination in Tidestromia (Amaranthaceae) from North America. Ivonne Sanchez-del Pino and Hilda Flores Olvera
A New Tassadia (Apocynaceae, Asclepiadoideae) from Bolivia and Brazil. W. D. Stevens
Una Especie Nueva y Notas sobre una Especie Notable de Dioscorea (Dioscoreaceae) para Mexico. Oswaldo Tellez Valdes
Arnaldoa argentea (Barnadesioideae: Asteraceae), a New Species and a New Generic Record for Ecuador. Carmen Ulloa Ulloa, Peter M. Jorgensen and Michael O. Dillon
Two New Species of Spiradiclis (Rubiaceae) from China. Wang Ruijiang
Nomenclatural Novelties in Chinese Elymus (Poaceae, Triticeae). Guanghua Zhu and Shouliang Chen
A New Species of Oxytropis (Leguminosae) from Xizang (Tibet) in China. Xiang-yun Zhu, Yu-fen Du and Hiroyoshi Ohashi