The Jacobean Lily is the only species in the genus Sprekelia; it was formerly assigned to the genus. It is native to Mexico and Guatemala; the bulbs were brought to Europe by the Spanish conquistadors. It has an underground bulb with blood-red stripes. The appear at the same time as or slightly later than the . They are up to 40 cm (16 in) long and only 2 cm ( ¾ in) wide. The flowers are borne singly at the end of a long, reddish . They are a dark velvety red, measure 8-10 cm (3-4 in) and the petals spread out in a single plane.
It is a semi-desert plant and therefore requires full sun during the growing period. As soon as the plants die back in autumn, lift the bulbs. Clean and store them in a warm, dry place. In March or early April, when the bulbs begin growth, plant them in a nourishingwith a layer at the bottom of the pot. Propagate by means of the bulb offsets.
(syn. pulcherrima) The is native to Mexico where it may reach a height of 3 m (10 ft). This spurge, the popular Poinsettia, is also called the Christmas Star, for the large red bracts spread out like stars beneath the minute flowers. (The inflorescence is called a cyathium.) Horticulturalists have developed numerous cultivars with different coloured bracts. These may be brilliant or dark red – ‘Adventstern von Werder’ – white – ‘White Wonder’, or greenish white – ‘White Ecke’. The cultivar ‘Plenissima’ with a greater number of bracts is very striking. Even when the plant is not in flower its leaves, irregularly lobed and pale green, are a decorative feature.
During the flowering period in winter, it requires full sun and a temperature above 15°C (59° F). Water with tepid water andregularly. After the flowers have faded, cut the plant back and give a period of rest in a cool room without . Repot and start watering and again in March. Propagate by tip . Place them in warm water for about one hour after they are taken to check the flow of a milky fluid (lactiferous ducts are a characteristic trait of all spurges). Poinsettia is also used as a cut flower.