| 1. | A flower head of one of these plants
这些植物之一的头状花序 |
| 2. | European thistle with rather large heads and prickly leaves ; extensively naturalized as a weed in the united states
有很大的头状花序和多刺的叶子的欧洲蓟；在美国作为野草广泛引入。 |
| 3. | In this thesis , the breeding system and reproductive strategies of the three species were observed and analysed
三种橐吾的花果期在6月中旬到10月初，花序为头状花序组成的总状排列。 |
| 4. | This species was first discovered in a woodland behind the little hong kong ( now aberdeen ) in 1948 in hong kong
本种的假头状花序悬垂，形似吊钟花，但较大，故亦称为吊钟王，极具观赏价值。 |
| 5. | The dried flower heads of either one of these plants , used to make an herbal tea and yielding an oil used in commercial flavorings and perfumery
黄春菊花序上述植物的任一种头状花序，用于做花茶且可产生一种商业上用来做调味品或香水的油 |
| 6. | Eurasian perennial naturalized in eastern north america having very spiny white cottony foliage and nodding musky crimson flower heads ; valuable source of nectar
北美东部已引入的欧亚多年生植物有多刺的白色棉花似的叶子和麝香味的深红色的头状花序；水果原汁。 |
| 7. | The results show that there exist certain differences among four cultivars and the capitalum ' s quantity in the single plant is the main yield factor
结果表明，药用白菊花4个栽培类型在植物学性状方面存在一定的差异；单株头状花序的数量是构成药用白菊花产量的主要因素。 |
| 8. | A unique developmental aspect involved in the life cycle of davidia involucrata baill . is the formation of two or three large - sized attractive white bracts surrounding a relatively small - sized capitulum
珙桐生活史中较独特的发育事件是其较小的头状花序下形成的2 3个大型苞片。 |
