Portal de Periódicos da CAPES

Onosma maculata sp. nov. (Boraginaceae) from Iran

2015; Wiley; Volume: 33; Issue: 5 Linguagem: Inglês

10.1111/njb.00614

1756-1051

Maryam Almasi, Massoud Ranjbar,

Plant Taxonomy and Phylogenetics

Onosma maculata Ranjbar & Almasi, a new Boraginaceae species endemic to Iran, is described and illustrated. The new species belongs to Onosma sect. Onosma subsect. Onosma . It is closely related to O. nervosa Riedl, but is easily distinguished by its spotted stem and peduncle (vs no spots), leaves 14–23 cm long (vs leaves 4–12 cm long), pedicel 5–15 mm long (vs pedicel 3–5 mm long), higher density of hairs, and glabrous nutlet (vs villous). Moreover, meiotic chromosome number and behavior were studied in two populations of the new species and it was found to be diploid with 2n = 2x = 16.