The lemon-yellow flowers occur as globular heads in clusters in the leaf axils.

There, its long thin stems gracefully bend over, creating an arching shower of lemon-yellow flowers that hover only two or three feet above underlying plants.

One is Coreopsis Moonbeam with its lemon-yellow flowers and its somewhat shorter cousin Zagreb, with slightly darker yellow flowers.

In spring it bears large, single, lemon-yellow flowers five inches (10-12 cm) in diameter, the ovary pubescent, the two to four carpels white, pink or yellow, and the stamen filaments yellow-green.

The .25 inch lemon-yellow flowers grow out from a rosemary-green calyx, with 8-12 flowers per whorl.

A year later, up shot a four- or five-foot candlestick covered with pea-size buds that opened into lemon-yellow flowers.

It has lemon-yellow flowers with a sweet scent in a cluster of 3 to 9 flowers.

Another indispensable winter standby, the mahonia, has dark green foliage which offsets its scented, lemon-yellow flowers, while the winter-flowering jasmine,Jasminum nudiflorum, needs a similar backdrop.

The lemon-yellow flowers on cup plant (Silphium perfoliatum) start their four- to six-week bloom period in mid-July, decorated by myriad butterflies.

The tree is a very popular ornamental in southern Australia due to its attractive, large, lemon-yellow flowers.