Layia platyglossa - U.C.Now more than ever, there is an inexorable link between clean offices and employee safety.USDA Plants Profile for Layia platyglossa (tidy tips) - plant data, distribution map.Jepson Manual Treatment - Layia platyglossa.Vol IV: Bignonias to Sunflowers" - California: Stanford University Press, 1960. Abrams, Leroy, and Stinchfield, Roxana "Illustrated Flora of the Pacific States.^ Las Pilitas Horticultural Database: Layia platyglossa (Tidy Tips).^ a b Lady Bird Johnson Wildflower Center Native Plant Database: Layia platyglossa."Growing California Native Plants" - California: University of California Press Berkeley, 1980. California" - University of California Press Berkeley, 2004. "Introduction to California Spring Wildflowers of the Foothills, Valleys, and Coast. "Annotated checklist of the vascular plants of Baja California, Mexico" (PDF). The ripe seeds are a food source for birds. The wildflower is used in habitat restoration projects, and is a pollinator supportive plant. The daisy-like flowers are attractive, making it a popular annual flower in traditional gardens, wildlife gardens, and habitat gardens. It is often an ingredient in commercial wildflower seed mixes. Layia platyglossa is cultivated as an ornamental plant. Seeds are one per fruit, embryos straight. Dispersion is done by the help from pappi (dispersal of fruit by wind). The fruits are usually dry with thick, tough pericarps, sometimes rostrate and/or winged. The florets are bisexual, pistillate, functionally staminate or neuter. The ligules are 6–15 mm long and 5–10 mm wide. The ray flowers are 3–3.8 mm long and the disk flowers are 2.8–5 mm long. The bracts tips are rounded and involucre 6–12 mm high. Its outer ray flowers are bright golden yellow with distinct, sharp-margined white tips. The flower heads are composed of five to eighteen yellow ray flowers with white tips and many central yellow disk flowers. The stems are usually erect, prostrate or decumbent to ascending, and are stout and corymbed branched. The plant is an indeterminate zygomorphic inflorescent, individual heads are borne on a peduncle. Leaves usually alternate or opposite, and the blades are usually simple, rarely compound. The lower leaves are generally lobed and the upper leaves are entire. The leaves at the basal part of the stem can be dentate to pinnate shaped with rotund short lobes. The leaves at the upper part of the stem are short and have a pilous texture. The roots are usually taproots, sometimes fibrous. The height of the entire plant is less than 1 foot (0.30 m), roughly around 4–12 inches (10–30 cm) wide. Layia platyglossa is an annual, glandular, daisy like plant with narrow, rough hairy leaves. It is also found on Guadalupe Island in the Pacific Ocean. It can be commonly found from Tijuana south to the Sierra de La Asamblea in the central part of the state. This species is also found in Mexico, in the state of Baja California. A member of Spring wildflower 'displays,' blooming March to June. Found in grassy valley floors, slopes of hills, openings in coastal sage scrub and chaparral, coastal plains, and in the High Desert. In pre-European times this plant was common in solid stands at lower elevations. Tidytips was formerly found throughout low-elevation dry habitats in California including the Mojave Desert and into Arizona and Utah.
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