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香铃草(Hibiscus trionum)为锦葵科一年生草本,分布广泛,全国各地均有所见,在海拔1800米以上也能安全越冬。它耐寒、耐旱,在水肥条件好的地方生长更加旺盛,是一个较好的水土保持草种。 香铃草生长天数为90天左右。在海拔1450米的天水市罗玉沟,生长天数为87天,7月下旬开花,8月中旬成熟,种籽亩产85公斤以上。直根系,侧根较发达;深30～50厘米,根幅25～40厘米。其种籽的营养成分见下表。
Hibiscus trionum, an annual family of Malvaceae, is widely distributed throughout the country and overwinters safely at altitudes of over 1,800 meters. It is cold-tolerant, drought-tolerant and grows more vigorously where water and fertilizer conditions are good. It is a good soil and water conservation grass species. The number of days of growing bellflower is 90 days. At an altitude of 1450 meters Tianshui City Luo Yugou, the number of days for the growth of 87 days, blooming in late July, mature in mid-August, more than 85 kilograms of seed per mu. Straight roots, more developed lateral roots; depth of 30 to 50 cm, root 25 to 40 cm. The nutritional content of the seeds in the table below.