问荆是多年生草本植物、俗称节节草、节骨草,属蕨类植物。全国各地都有分布,喜生于酸性土、砂质土、水边湿地,是新开荒地常见的而且是很顽强的一种杂草。在形态上问荆和普通杂草很不一样,好象只有分枝的茎杆,而没有叶片,不但如此,它不开花、不结果。问荆的茎(地上枝)有两种类型,它们在形态和功能上很不一样。一种是在春季萌发的,叫春枝,另一种是在夏季萌发的,叫夏枝。春枝亦称孢子 Asked Jing is a perennial herb, commonly known as section grass, arthropod grass, is a fern. There are distribution throughout the country, hi born in acid soil, sandy soil, wetland waters, is a common and very tenacious new weed. In morphology, Jing and weeds are very different, as if only the branches of the stem, but no leaves, not only that, it is not flowering, no result. There are two types of stems (aboveground branches) in Jing, which are very different in morphology and function. One is germinated in spring, called spring branches, the other is in the summer germination, called summer branches. Spring branches also known as spores