论文部分内容阅读
刺萼龙葵为茄科茄属1年生草本植物,检疫杂草,原产于北美洲。1981年在乌鲁木齐、昌吉发现。2011年在托克逊县郭勒布依乡发现后不久即蔓延至伊拉湖乡等区域,并逐渐显露出其较强的竞争优势。一、形态特征刺萼龙葵直根系,茎直立,类似灌木,上部常分枝,株高30~70厘米。其全株枝、叶、果带刺。叶两面具刺,单叶互生,羽状不规则深裂,裂片5~7个;总状花序,密被星状刺毛,花萼5;花冠黄色,辐射对称;雄蕊5,大雄蕊1枚、粗壮,小雄蕊4枚;雌蕊细,尖端内弯,花柱长约1.5厘米左右。果实为黄褐色球形浆果、
Calyx nocturnae Solanaceae Solanaceae 1-year-old herb, quarantine weeds, native to North America. 1981 in Urumqi, Changji found. Shortly after the discovery in Golubuyi Township in Toksun County in 2011, it spread to areas such as Yilahu Township and gradually revealed its strong competitive advantages. First, the morphological characteristics Calyx nigrum straight roots, stems erect, similar to shrubs, the upper often branched, height 30 to 70 cm. The whole plant branches, leaves, fruit barbed. Leaves two-sided spines, single leaf alternate, pinnately irregular split, lobes 5 to 7; racemes, densely stellate hairy, calyx 5; corolla yellow, radiation symmetry; stamens 5, a large stamen, Stout, small stamens 4; pistil fine, tip curved, style about 1.5 cm or so. The fruit is a brownish-brown berry,