折扇状的

Stipules large, enclosing terminal bud, finally caducous and leaving an annular scar; leaf blade leathery, plicate in bud and ± corrugate when opened; lateral veins pinnate, straight; tertiary veins subscalariform, conspicuous, margin entire or sinuate-crenate.

托叶大，包围顶芽，最后早落并且留下的一块环形的伤痕；叶片革质，在芽中折扇状和打开时多少具皱褶；侧脉羽状，直；第三脉近梯状，明显，边缘全缘或具深波状具圆齿。

Epicalyx absent. Calyx campanulate or cup-shaped, 5-lobed, often 10-ribbed basally and plicate in bud.

副萼无；花萼钟状或杯状的， 5浅裂，通常10肋基生的和折扇状在芽中。

Fruit a winged schizocarp, commonly a double samara, usually 1-seeded; embryo oily or starchy, radicle elongate, cotyledons 2, green, flat or plicate; endosperm absent.

通常，果飞行的分果相似物，通常1种子；胚油性或淀粉的，胚根拉长，子叶2，绿色，平的或折扇状的；无胚乳。2n = 26。

Style 2-cleft or entire; stigmas 1 or 2; fruit drupes or nutletlike, usually divided into 2 or 4 pyrenes, rarely undivided; cotyledons not plicate.

花柱2半裂或全缘；柱头1或2；通常，坚果状的果核果或分为2或果核，很少不裂；子叶不折扇状。

Seeds 1 to many per follicle, on inner margin of foliaceous endocarp, globose, endosperm flat or plicate; cotyledons flat, very thin.

每蓇葖果种子1到多数，在叶状内果皮内部边缘的上，球状，胚乳平或折扇状；子叶平，非常薄。

Corona distinctly cupular or cylindric, usually obviously membranous, sometimes plicate, tube as long as or longer than gynostegium and/or much longer than marginal lobes.

清楚的副花冠杯状或圆筒状，通常明显膜质，有时折扇状，筒部等长或长于合蕊冠和远长于边缘的裂片。

Inflorescence with each flower surrounded by a 5-fid, calyxlike involucre of bracts, arranged in terminal,± flat-topped cymes, rarely solitary; involucral lobes erect, acuminate, plicate, not enlarged after flowering.

花序每花被5裂的，苞片的萼片状的总苞包围，排列在顶生，多少顶端平的聚伞花序，很少单生；总苞裂片直立，渐尖，折扇状，花后不放大。

Perianth constricted beyond the ovary, limb campanulate, apex 5-lobed, truncate, or plicate, caducous, Stamens 1-5, included or shortly exserted; filaments connate at base.

花被收缩超过子房，钟状的冠檐，顶5浅裂，截形，或者折扇状，早落，雄蕊1-5，内藏或者短外露；花丝合生在基部。

Perianth constricted beyond ovary; limb showy, variously colored, expanded, salverform, plicate, distally 5-lobed, deciduous.

花被缢缩超过；冠檐艳丽的，各种地染色，膨大，高脚碟状，折扇状，上部5浅裂，落叶。

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。