1.After sepal primordial appear, the abaxial sepal primordium begin to overlie the dome-shaped flower primordium, at the same time stamens primordium begein to development, however petal primordium does not appear.
形态学观察表明，在花发育早期阶段，无花瓣突变体和有花瓣近等基因系之间花蕾形态学特征基本相同，在花原基上靠近顶端半球形生长锥的下方形成环状隆起，随后分化出4个新月形萼片原基，在将四川大学硕士学位论文尊片合龙时出现雄蕊原基，然而均未观察到花瓣原基。
2.Entire Describing the margin of a leaf, sepal, or petal that is smooth and undivided.
全缘的：用于描述叶、萼片或花瓣的边缘光滑、无裂片。
3.A sepal, petal, and a thorn Upon a common summer"s morn -- A flask of Dew -- A Bee or two -- A Breeze -- a caper in the trees -- And I"m a Rose!
一个萼片，一叶花瓣，和一根荆棘在一个普通的夏日晨曦—一瓶露水—一只或两只蜜蜂—一缕轻风—一株马槟榔长在树林里—而我，则是一朵玫瑰!
4.The hood-shaped sepal or corolla of some flowers.
盔状花冠（或花萼）某些花朵盔状的花萼或花冠
5.any of numerous orchids of the genus Pterostylis having leaves in a basal rosette and green flowers often striped purple or brown or red with the dorsal sepal incurved to form a hood.
Pterostylis属的任何一种兰花，基生莲座叶丛，花绿色、常有紫色、褐色或红色条纹，萼片背部向内弯曲成盔状。
6.having a ridge or shaped like a ridge or the keel of a ship: a carinate sepal.
有脊或龙骨的，形状象脊或龙骨的：龙骨状萼片。
7.Sepal One of the structures situated immediately below the petals of a flower.
萼片：一朵花中位置紧接在花瓣下方的结构。
8.Objective To study the chemical constituents of the sepal of Physalis alkekengil. var. francheti(Mast.)
目的研究茄科植物酸浆宿萼(Physalis alkekengiL.var.franchetii(Mast.)
9.The eroica flower has a tight structure and average one-flower weighs 1.6g, being 49.4% up on that of the Qingdao Dahua. The hops glands with high incense are plentiful,accounting for 45.6% of the sepal area.
但花体紧密,单花平均重达1.6克,比“青岛大花”单花平均重49.4％,蛇麻腺含量丰富,占萼片面积的45.6％,香味浓。
10.a long-spurred orchid with base leaves and petals converging under the upper sepal.
一种长花距的兰花，有基生叶及靠合在上萼片之下的花瓣。
