A Synopsis of the Genus Braya (Brassicaceae)
A SYNOPSIS OF THE GENUS BRAYA (BRASSICACEAE) IHSAN A. AL-SHEHBAZ1,2 AND DMITRY A. GERMAN 3 Abstract. Synonymy, typification, distribution, and key to the 23 species ofBraya are given, along with an updated generic description. The new species B. sichuanica is described and illustrated. The new combinations B. fengii, B. parvia, B. piasezkii, B. qingshuiheense, and B. stigmatosa are proposed. A list of taxa excluded from Braya is given, along with their current generic and tribal placements. The following taxa are lectotypified: Beketowia tianschanica, Braya aenea var. multicaulis, B. aenea var. simplicior, B. pectinata, B. purpurascens var. longisiliquosa, B. rosea var. angustifolia, B. tibetica var. breviscapa, B. versicolor, Erysimum pamiricum, E. stigmatosum, Pilosella richardsonii, Sisymbrium nanum var. leiocarpum, and Torularia humilis prol. venusta. Previous designations are narrowed for Arabis sinuata, Braya aenea, B. rosea, B. thomsonii, and B. tibetica. Keywords. Cruciferae, Euclidieae, Neotorularia, Eurasia, North America, typification Braya Sternb. & Hoppe (Brassicaceae or Cruciferae) is genus from Neotorularia, which exclusively has silique distributed primarily in the alpine and subarctic regions of fruits. However, Braya species that produce siliques can Eurasia and North America. There is a lack of agreement be separated from Neotorularia by their usually perennial among various authors on the total number of species in the (vs. annual) duration, slender and relatively long (vs. genus, and estimates within the past decade varied from six usually short and stout) fruiting pedicels narrower than (vs. (Appel & Al-Shehbaz, 2003), to 17 (Harris, 2010), to 25 usually as wide as) the fruit, usually basally bracteate (vs. species (Al-Shehbaz, 2012). This major discrepancy reflects ebracteate) racemes, straight or slightly curved (vs.
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