顶生芽

Stamens usually twice as many as petals and in 2 whorls, rarely as many as petals by loss of 1 whorl, isomorphic or dimorphic; filaments distinct, often geniculate, inflexed in bud; anthers typically 2-celled, introrse, basifixed, dehiscent by 1 or 2 apical pores or by short longitudinal slits; connective often variously appendaged.

雄蕊通常是花瓣数量的两倍并且2轮，有时1轮而与花瓣同数，同形或二形；花丝离生，通常膝曲，在芽期内折；花药通常2室，向内，基着，通过1-2顶孔或短纵裂裂缝开裂（Astronia ，Memecylon；药隔通常有不同的附属物。

Branches terminating in a large bud, rarely spinescent; leaf blade broadly elliptic or ovate-oblong.

分枝顶生在一大的芽，很少具刺；叶片宽椭圆形或卵形长圆形。 36 R。 davurica 鼠李

Leaf blade oblanceolate or narrowly oblanceolate, 1-2.5 cm, apex obtuse or emarginate, petiole 2-3 mm; branches terminating in a small bud, not spinescent; procumbent small shrubs.

叶片倒披针形的或狭倒披针形，1-2.5厘米，先端钝的或微缺，叶柄2-3毫米；分枝顶生在一小的芽，不具刺；平卧的小的灌木。 39 R。 tzekweiensis 鄂西鼠李

Inflorescence terminal, arising from an apical bud on the previous year's shoots, shortly racemose-umbellate, several- to many-flowered.

花序顶生，生于一顶端芽在第二年嫩枝上，伞形短总状，数枚到多数花。

Branches unarmed. Axillary winter buds 1 or 3, lateral buds flower buds, central bud a leaf bud; terminal winter buds present.

分枝无刺。 Axillary冬芽1或者3，侧芽花芽，中心叶芽；顶生的冬芽宿存。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。