Is buckwheat an invasive species?
Parsnipflower buckwheat is a species native to the Intermountain and Rocky Mountain West. The species is not considered weedy or invasive, but plants can spread to adjoining vegetative communities under ideal environmental conditions.
Where is buckwheat native?
California Buckwheat, Eriogonum fasciculatum. Known by the common name California buckwheat. This common shrub is native to the southwestern United States and northwestern Mexico, where it grows on scrubby slopes and in chaparral and dry washes in a number of habitats.
Is bindweed a perennial?
LIFE CYCLE. Field bindweed is a hardy perennial found throughout California below the 5,000-foot elevation line. It spreads from an extensive rootstock and from seed. Most parts of the bindweed roots and rhizomes can produce buds that can create new roots and shoots.
Why are eriogonum called buckwheat?
Eriogonum is a genus of flowering plants in the family Polygonaceae. The genus is found in North America and is known as wild buckwheat. The genus derived its name from the Greek word erion meaning ‘wool’ and gonu meaning ‘knee or joint’.
Is this Fallopia cilinode or Fallopia scandens?
Two further Fallopia species which could be confused with F. convolvulus in Canada ( Hume et al. (1983): Fallopia cilinode and F. scandens. Both are perennials. Fallopia cilinode has bristles at the base of the sheath, leaves with narrower spacing between the basal lobes and achenes that are shiny and smooth.
What is the shape of the pedicel of Fallopia dumetorum?
It has a strong, winged calyx and smooth, shiny achenes. F. convolvulus is also closely related to Fallopia dumetorum and F. dentate-alata, but in both these species the pedicel is much longer (up to 10 mm long) and articulated above the middle ( Flora of Pakistan Editorial Committee, 2013 ).
What is the difference between Polygonum and Fallopia?
The genus Fallopia is often included in a broader concept of Polygonum but is distinguished by a syndrome of anatomical and morphological characters ( Decraene et al., 2000 ). Molecular data confirm its close relationship to Polygonum in the narrow sense ( Lamb Frye and Kron, 2003; Freeman and Hinds, 2005 ).
Does Parthenium hysterophorus have allelopathic potential against P covolvulus?
According to Rajczyova (1978), monocultures of winter wheat and spring barley lead to an increase in F. convolvulus incidence. Adkins and Sowerby (1996) revealed that the weed Parthenium hysterophorus has allelopathic potential against P. covolvulus.