disciform head造句

例句与造句

1. Plants with heads that have florets of two or more sexual forms are called heterogamous and include radiate and disciform head forms, though some radiate heads may be heterogamous too.
2. When a sunflower family flower head has only disk flowers that are sterile, male, or have both male and female parts, it is a "'discoid head "'. "'Disciform heads "'have only disc flowers, but may have two kinds ( male flowers and female flowers ) in one head, or may have different heads of two kinds ( all male, or all female ) . "'Pistillate heads "'have all female flowers . "'Staminate heads "'have all male flowers.
3. It's difficult to find disciform head in a sentence. 用disciform head造句挺难的