Which genus, Callianthemum or Chamaemelum, is native to more continents?
Callianthemum Callianthemum is a genus that consists of 24 species of little rhizomatous herbs from high mountains in Europe, Central Asia and East Asia. The botanical name comes from the Greek, which means beautiful flower. The plants are low-growing, ornamental perennials and are lovely to rock garden. Leaves are small and radical. Flowers are showy daisy-like, 1.5in in diameter, with 5-15 white or rose-color petals and nectaries at the base. Blooming in spring.
Cleome maculata Cleome maculata is a species of cleome that is native to southern Africa, where it occurs in sandy soils, especially in rocky habitats, and on slopes. It is a mostly annual plant, which is found in highveld regions of medium rainfall in South Africa, Botswana and Namibia. It is an erect and simple or branching plant, usually less than a foot tall, with sparse leaves. The linear leaflets are three to five compound. Two of the up-curved, mauve flower petals have a yellow mark at their center, which is bordered with dark purple. The long, up-curved stamens are tipped with bluish, knobby anthers. The fruit is a linear capsule. The species is a pioneer plant that may become a weed.