A tiny, woolly flower found hiding in Texas’s Big Bend National Park shows the intriguing strangeness of sunflowers ...

The sunflower plant family (Asteraceae) is characterized by head-like inflorescences (capitula) that resemble single solitary flowers but are typically composed of tens to hundreds of flowers that are ...

It doesn’t have yellow flowers like some of the weedy Asteraceae weeds that grow in similar situations. As suggested by its name, wavy-leaved fleabane tends to have leaves that are a bit crinkled, and ...

As with many members of the Asteraceae family, it starts life as a rosette ... confused with a closely related species called prickly sow thistle (Sonchus asper), which looks very similar but has more ...

A genetic analysis revealed that this plant is so distinctive that it is not just a new species but best classified as an entirely new genus within the Asteraceae (Daisy) family," NPS said.