helianthus

n.

向日葵，向日葵属的植物；

1. Is helianthus a medicinal material?
   向日葵是药材吗？
2. Helianthus is Van Gogh's masterpiece.
   《向日葵》是梵高的代表作。
3. What's in the middle?Is it helianthus?Or lotus flower?
   中间的花是什么?向日葵吗?还有莲花吗?

north American sunflowers (Helianthus)
THE NORTH AMERICAN SUNFLOWERS (HELIANTHUS)
Chromosomal Differentiation among the Annual Helianthus Species
Homoploid Reticulate Evolution in Helianthus (Asteraceae): Evidence from Ribosomal Genes
Molecular Tests of the Hypothesized Hybrid Origin of Two Diploid Helianthus Species (Asteraceae)
THE ORIGIN OF ECOLOGICAL DIVERGENCE IN HELIANTHUS PARADOXUS (ASTERACEAE): SELECTION ON TRANSGRESSIVE CHARACTERS IN A NOVEL HYBRID HA...
Habitat divergence between a homoploid hybrid sunflower species, Helianthus paradoxus (Asteraceae), and its progenitors
Interspecific pollen competition as a reproductive barrier between sympatric species of Helianthus (Asteraceae)
Local adaptation, patterns of selection, and gene flow in the Californian serpentine sunflower (Helianthus exilis)
Phylogenetic and Systematic Inferences from Chloroplast DNA and Isozyme Variation in Helianthus sect. Helian th us (Asteraceae)