Callistephus

Callistephus is a genus of flowering plants, in the Asteraceae (daisy family); the genus includes only one species, Callistephus chinensis, the China Aster.

It is native to China, and is an annual plant, growing to 20-80 cm tall with branched stems. The leaves are alternate, 4-8 cm long, ovate, and coarsely toothed. The flowerheads are variable, with either all ray florets or an outer ring of ray florets surrounding central disc florets; the ray florets are white to purple, the disc florets, if present, usually yellow.

It is a popular ornamental plant in gardens, and numerous cultivars are available; the cultivars are grouped by size, with very dwarf (up to 20 cm), dwarf (20-40 cm), intermediate (40-60 cm) and tall (60-80 cm). In Japan, the species is very important in the floriculture industry for cut flowers.

Knightia

Knightia is a small genus of the family Proteaceae.


Species
Knightia excelsa, Rewarewa in Maori, or New Zealand honeysuckle, is an evergreen tree endemic to the low elevation and valley forests of New... more >>>

Tanacetum

Tanacetum is a genus of about 70 species of flowering plant in the family Asteraceae, native to temperate regions of the Northern Hemisphere.

Common names include Tansy (Tanacetum vulgare; sometimes called Common Tansy or Garden... more >>>

Darwinia

Darwinia is a genus of between 30-60 species of evergreen shrubs in the family Myrtaceae, endemic to southeastern and southwestern Australia. The majority are native to southern Western Australia, but a few species occur in South Australia,... more >>>

Verticordia

Verticordia is a genus of beautifully flowered shrubs, members of the Myrtaceae family. They are mostly found in Southwest Australia, with several outlier species in northern regions. A revision of the genus in 1991 produced a classification... more >>>

Gentianopsis

Gentianopsis is a genus of flowering plants in the gentian family known commonly as fringed gentians. These are similar to the gentians of genus Gentiana. Most have flowers which are blue to purple in color. They may be annual or perennial.... more >>>