Dracaena
The generic name is derived from
Greek word Drakaina, dragon's blood. About forty species of tropical
plants, widely distributed over the tropics of the old world; some are
being grown as ornamentals. The dracaenas are mainly grown for the
attractive green, variegated and colorful foliage. Some species grow tall
in the open and form a definite stem with a tuft of leaves on the top,
while a few species do well in pots and require more care. Even the
hardy green leaved types, when exposed to full sunlight in
hot summer, show scorching on leaves. In general, they prefer warm
condition & plenty of light, making them a right choice as a house
plant. Although they like high humidity, accumulation of water at
leaf-axils may cause rotting, particularly at
low temperature & dense shade. They prefer light soil, rich in organic
matter. Caterpillar often damages the young leaves eating from the margin
towards the center making the plants unsuitable for display. They are
propagated by cutting of old stem into short pieces and planting in moist
peat or sand.
Tricolor
The scientific name is Dracaena Marginata The common name of this plant is rainbow plant. An unusually attractive plant with large number of long linear leaves upper erect, multicolored, stripped green or yellowish between green & red margins.
Warnecki
It's scientific name is Dracaena Deremensis. A hardy and slow growing house plant of attractive appearances. Thick & erect stem, often branched when grown in ground. Leaves are 20-30 cm long, sessile, leathery, green, streaked with grey green in centre, borderd by white band & narrow green age.