Whole plant densely gray-gray shanked branches pilose. Stems erect, more branched, base slightly lignified. Leaves oblong to oblanceolate or spatulate.
Origin of the Mediterranean coast. China is widely cultivated in the southern region, one of the European flowers. Chinese cities often species, can be planted in the garden or greenhouse, for viewing. This flower is similar to pansy, easy to confuse.
Winter to spring open flowers. Oxalins of similar plants. Spread the fragrance of spring flowers.
Ecological habits:
Violet likes cold weather, avoid hot. Hi well-ventilated environment, warm and warm climate in winter, but also can withstand short-term low temperature of -5 ℃. The suitable temperature for flower bud differentiation is 15 ℃, which is not strict to the soil, but it is well grown in the soil with good drainage and neutral alkali. Violet cold impatience yin, fear of water, suitable for high position, exposure to sunlight, ventilation, drainage in a good environment. Avoid hot, in the rainy weather and poor ventilation is vulnerable to pests and diseases. Require fertile wet and deep loam; hi sunny enough, but also slightly resistant to half Yin; fertilization should not be too much, otherwise the flowering unfavorable; light and ventilation if not enough, easy to suffer pests and diseases.