Chromosome numbers in Craspedia, Ewartia and Pterygopappus (Compositae: Gnaphalieae)

Abstract

Somatic chromosome counts are documented for seven species of the Gnaphalieae (Compositae) from Australia: Craspedia alpina Backh. (2n= 10x₂ = 110) and C. glauca (Labill.) Spreng. (2n= 4x₂ = 44), Ewartia catipes (DC.) Beauverd, E. nubigena Beauverd and E. planchonii (Hook.f.) Beauverd (all 2n= 2x₂ = 28), E. meredithiae (F.Muell.) Beauverd (2n= 4x₂ = 56) and Pterygopappus lawrencei Hook.f. (2n = 2x₂ = 28).