Heteracia
Description
Herbs, annual. Stem leaves sagittately clasping. Capitula solitary or few, terminal on or in axils of branches, with numerous florets. Involucre hemispheric in fruit. Phyllaries in 2 rows; outer phyllaries 2–5; inner phyllaries lanceolate. Receptacle naked. Florets yellow. Achene dimorphic; outer achenes with short stout beak; inner achenes with a long slender beak. Pappus absent in outer achenes and mostly present in inner achenes, white, of scabrid bristles.
from: Shih C. & Kilian N. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 269–270. 2011, Beijing & St Louis.
from: Shih C. & Kilian N. in Wu Z. Y. & al. (ed.), Flora of China 20–21: 269–270. 2011, Beijing & St Louis.
Chromosome numbers
Diploids, x = 4.A
Distribution
Asia-Temperate: Afghanistan ‒ native; Iran ‒ native; Kazakhstan ‒ native; Kirgizistan ‒ native; Tadzhikistan ‒ native; Transcaucasus (Armenia ‒ native, Nakhichevan ‒ native); Turkmenistan ‒ native; Uzbekistan ‒ native; Xinjiang ‒ native Asia-Tropical: Pakistan ‒ native Europe: East European Russia ‒ native; Krym ‒ native: reported in error