Weeds

Filaree

(Heron's Bill, Redstem Filaree, Redstem Stork's Bill)

Filaree
Tap to view larger image
 
Filaree plants are low-growing, common winter annual and sometimes biennial broadleaves. It can be found on roadsides, pastures, grassland, rangeland, agronomic and vegetable crop fields, orchards, vineyards, landscaped areas, and other open disturbed and unmanaged sites.

Seedlings are hairy with either glandular or nonglandular hairs. Cotyledons (seed leaves) have long stalks. Broadleaf and redstem filaree cotyledons are egg shaped with three to four asymmetric lobes that are broadly rounded. First and subsequent leaves of broadleaf filaree are egg shaped with round-toothed to more-or-less shallow-lobed edges, whereas those of redstem filaree are deeply lobed or divided. Whitestem filaree cotyledons have five deeply asymmetric lobes.

Depending on the species, stems grow from spreading to more-or-less erect and reach 2 to 3 feet (0.6–1 m) in height or length. The leaves distinguish the three species. Rosette leaves of whitestem and redstem filaree are fully divided into leaflets, but whitestem leaflets are less deeply cut than those of redstem filaree. Rosette leaves of broadleaf filaree are lobed, but not fully divided into leaflets. In addition, stems of whitestem filaree are pale and redstem filaree stems are often reddish.