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Chrysogonum virginianum, the golden-knee, [2] green and gold, [3] or goldenstar, is a North American species of plants in the family Asteraceae. It is native to the eastern United States from New York State and Rhode Island south to Louisiana and the Florida Panhandle. [4] [5] The species is sometimes grown as a perennial ornamental because of ...
Aucuba japonica was introduced into England in 1783 by Philip Miller's pupil John Graeffer, at first as a plant for a heated greenhouse. It became widely cultivated as the "gold plant" by 19th-century gardeners. The plants being grown were female, and it was a purpose of Robert Fortune's botanizing trip to newly opened Japan in 1861 to locate a ...
Found on an exposed headland in nature, it grows as a low mat-like perennial shrub 8 cm (3 in) high and 60 cm (2.0 ft) across. The foliage is green and rough and the flowers are 3 cm in diameter and yellow in colour with an orange disc. [52] It makes an ideal plant for rockeries, and strikes easily from cuttings during the spring growing period.
The leaves are light green, elliptic to ovate, opposite, and grow up to 7.5 cm (3.0 in) long and 3.5 cm (1.4 in) broad, with a 1.5 cm petiole. The flowers are light-blue or lavender, produced in tight clusters located on terminal and axillary stems, sometimes appearing as panicles , frequently recurved or pendulous, blooming in summer.
The top of the stem is occupied by an inflorescence of several flower heads, their hemispheric bases up to 2.5 centimeters (one inch) wide and lined with many small, green phyllaries with curving tips. Each flower head may have up to 30 narrow, pointed yellow ray florets between 1 and 2 centimeters (0.4-0.8 inches) long, surrounding a center of ...
The plants may be annuals, herbaceous perennials or shrubs, growing to a height of 60–90 cm (24–35 inches). The genus was a wastebasket taxon , and many of its members have been reclassified in smaller genera, most notably the Everlastings, now in the genus Xerochrysum .
The calyx is green with 5 lobes and is about 1.5 cm (0.59 in) wide; petals are yellow or yellow-green and up to 9 mm (0.35 in) long. [ 4 ] [ 7 ] [ 9 ] The most conspicuous aspect of the flower is the numerous stamens, which are bright yellow and up to 3 cm (1.2 in) long, [ 4 ] [ 7 ] [ 10 ] making the overall diameter of the flower about 5 cm (2 ...
The plant can bloom in cycles all year round in the right conditions and under full sun, but mostly from early spring to the first frost. [4] [5] Galphimia glauca is told apart from Galphimia gracilis by the flowers; in G. gracilis the petals fall as the fruit matures, whereas in G. glauca the petals remain put even in fruit. [6]