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The plant has an erect rough-hairy stem, reaching typical heights of 3 metres (10 feet). The tallest sunflower on record achieved 9.17 m (30 ft 1 in). [3] Sunflower leaves are broad, coarsely toothed, rough and mostly alternate; those near the bottom are largest and commonly heart-shaped.
Monarch butterfly flying away from a Mexican sunflower. Plants are perennial in the native habitat, up to 4 m tall with orange or red flowers (in cultivation only 0.8 to 1.5 meters). In USDA zones cooler than Zone 10 it is an annual. Leaves, despite the epithet, are deltoid to lanceolate, occasionally lobed (or broadly heart-shaped) up to 38 cm ...
Tithonia diversifolia is 2–3 m (6.6–9.8 ft) in height with upright and sometimes ligneous stalks in the form of woody shrubs. Leaves are sub-ovate, serrate, acute, 10 to 40 cm long, simply or mostly 3-7 lobed, somewhat glandular, and slightly grayish beneath.
Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island , and inland as far as Missouri .
Eriophyllum staechadifolium is a flowering plant in the family Asteraceae which is known by the common name seaside woolly sunflower. It is native to the coastline of Oregon and California including the Channel Islands. This is a plant of the beaches, dunes, and coastal scrub. [2] [3] [5]
There are eight different species that cause yield loss of sunflowers; however, Alternaria helianthi is the primary causal agent and most widespread. [5] The main hosts are sunflowers (Helianthus annuus); however, it has been proven that safflower (Carthamus tinctorius), noogoora burr (Xanthium pungens), cocklebur (Xanthium strumarium), and Bathurst burr (Xanthium spinosum) can serve as ...
Mount Sunflower was designated as Kansas’s highest point by the United States Geological Survey in 1961. In the late 1970s Ed Harold decided to commemorate this site, homesteaded by his grandparents in 1906. The most famous attraction at the site is the sunflower sculpture made from railroad spikes that are welded together. [citation needed]
Sunflower Records was a Los Angeles, California-based record label founded by songwriter Mack David and music industry veteran Danny Kessler that operated from 1970 to 1972. The label was distributed by MGM Records .