Showing posts with label North America. Show all posts
Helianthus (sunflower)
is a genus of plants comprising about 52 species in the Asteraceae family, all of which are
native to North America. There is quite a bit of variability among the
perennial species that make up the bulk of the species in the genus. Some have
most or all of the large leaves in a rosette at the base of the plant and
produce a flowering stem that has leaves that are reduced in size. Source
Clematis is a genus of about 300 species within the buttercup family Ranunculaceae. Their garden hybrids have been popular among gardeners, beginning with Clematis jackmanii, a garden standby since 1862; more hybrid cultivars are being produced constantly. They are mainly of Chinese and Japanese origin. Most species are known as clematis in English, while some are also known as traveller's joy, a name invented for the sole British native, by the herbalist John Gerard; virgin's bower for C. viticella; old man's beard, applied to several with prominent seedheads; and leather flower or vase vine for the North American Clematis viorna. Source
Aster is a genus of flowering plants in the family Asteraceae.
Its circumscription has been narrowed, and it now encompasses around 180
species, all but one of which are restricted to Eurasia; many species formerly
in Aster are now in other
genera of the tribe Astereae. The genus Aster
once contained nearly 600 species in Eurasia and North America, but after morphologic
and molecular research on the genus during the 1990s, it was decided that the
North American species are better treated in a series of other related genera.
After this split there are roughly 180 species within the genus, all but one
being confined to Eurasia. Source
Tag :// Flower,
Tag :// North America
Mertensia virginica is a species of flowering plant in the family
Boraginaceae, native to moist woodland in eastern North America. It is a spring
ephemeral plant with bell-shaped sky-blue flowers opening from pink buds. The leaves
are rounded and gray-green, borne on stems up to 60 cm tall. They are petiolate at the bottom of the
flower stem and sessile at the top. In
cultivation, M. virginica has
gained the Royal Horticultural Society's Award of Garden Merit. Source
Tag :// Flower,
Tag :// North America
