无叶的

Leaves not decurrent at base; petioles not winged.

叶而不是下延的在基部；叶柄无翅。

Other stem leaves gradually decreasing in size upward, sessile, oblong to ovate-oblong, base decurrent into wings.

其他茎生叶向上逐渐在尺寸方面减少，无梗，长圆形到卵状长圆形，进翅的基部下延。

Leaves alternate or fasciculate, entire or serrate, estipulate.

叶互生或者束状，全缘的或锯齿，无托叶。

Leaves alternate, rarely opposite, estipulate, veins mostly pinnate, sometimes palmate, margin usually entire, rarely lobed or denticulate.

叶互生，很少对生，无托叶，多数羽状脉，有时掌状脉，边缘通常全缘，很少分裂的或者有小齿。

Leaves simple or compound, usually alternate or opposite, usually exstipulate.

单叶或复合，通常互生的或对生，通常无托叶。

Leaves opposite. Corymbs short pedunculate or sessile, axillary, often fascicled.

叶对生 伞房花序短的有花序梗或者无柄，腋生，经常是簇生。

Leaves sessile; nectaries without fimbriate projections.

叶无柄 没有流苏状突起的蜜腺。

Bulb covered with a tunic. Leaves sessile, very rarely narrowed into a petiole, with a closed leaf sheath at base, linear, linear-lanceolate, or lorate to orbicular-ovate, cross section flat, angled, or semiterete to terete, fistulose or solid.

叶无柄，极少缩小到一叶柄，具一关闭的叶鞘在基部，线形，线状披针形，花葶顶生或侧生，具鞘或裸露。

Leaves (1-)3(-5)-foliolate; middle leaflet sessile; calyx with 5 obscure teeth, shorter than fruit

叶(1-)3(--5)具小叶。中间小叶无柄；花萼具5不明显的齿，短于果 7 Vitex trifolia 蔓荆

Stem leaves opposite, abaxially green; stems white villous or glabrescent to glabrous.

茎生叶对生，背面的绿色；茎白色长柔毛或后脱落到无毛。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。