helianthus

Perhaps most stalwart is Helianthus, the one that has earned the name sunflower.

The plant is much more casual looking, its blooms not nearly as large as Helianthus.

Helianthus angustifolius, for example, will decline from its second year on.

The larvae have been recorded feeding on Helianthus species.

The larvae feed on developing seeds in flower heads of Helianthus species.

"This cross section suggests genus Helianthus, an improbable mutation."

S. helianthus is also referred to as the 'sun anemone'.

The common name "sunflower" also applies to the popular annual species Helianthus annuus.

The domesticated sunflower, Helianthus annuus, is the most familiar species.

In some species, however, the pappus falls off (for example in Helianthus).

It is a bright little sunflower in the Helianthus Tribe of the Composite family.

The name is derived from the genus Helianthus, which is Greek for sun flower.

The larvae feed on the leaves of Vernonia and Helianthus species.

S. helianthus is a large, green, sessile, carpet-like sea anemone, from the Caribbean.

There are 82 species of sunflowers (genus Helianthus), all native to North America.

The species is economically important on Helianthus annuus in North America.

And as for Helianthus angustifolius, it now grows in the gardens of several of my neighbors.

Sunflower (Helianthus annuus) is an annual plant native to the Americas.

Helianthus x laetiflorus is a herbaceous plant with alternate, simple leaves, on green stems.

Helianthus californicus is a species of sunflower known by the common name California sunflower.

I gave up on marigolds, helianthus and zinnias long ago, and once saw three delphinium seedlings disappear within 24 hours.

Helianthus (1908)

The larvae feed on Helianthus petiolaris.

The sunflower seed is the fruit of the sunflower (Helianthus annuus).

This enzyme is isolated from Helianthus annuus (sunflower).