Leaves leathery , ovate , obovate , elliptic or obovate - elliptic , 4 - 9 cm long and 1 - 4 cm wide , with 3 - 6 obtuse teeth on each side ; abaxially with tufts of hairs at axils of veins ; lateral nerves 7 - 10 pairs 叶革质，卵形、倒卵形至椭圆形或倒卵状椭圆形，长4 - 9厘米，宽1 - 4厘米，每边有3 - 6钝齿，侧脉7 - 10对，背面脉腋有小毛丛。
Leaves leathery , ovate or elliptic , 7 - 12 cm long , 3 . 5 - 5 cm wide , apex short acute , base rounded or cordate , upper surface green , glossy , lateral veins 6 - 8 pairs , impressed adaxially and prominent abaxially 叶革质，卵形或椭圆形，长7 - 12厘米，宽3 . 5 - 5厘米，先端短急尖，基部圆形或心形，上面亮绿色，侧脉6 - 8对，在上面凹陷，在下面突起。
The morphology of resting eggs , factors influencing resting egg production , the hatch forms of resting eggs , factors influencing the hatch of resting eggs and the researches on resting eggs in natural ponds are discussed 重点介绍了轮虫休眠卵的形态、影响轮虫休眠卵形成的因素、轮虫休眠卵的萌发形式及影响其萌发的因素、自然水体中轮虫休眠卵的研究概况。
Leaves opposite , papery , ovate , suborbicular or elliptic , 4 - 8 cm long , apex rounded , base rounded to broadly cuneate , margin with regular and slightly sinuate teeth except base , covered with yellowish brown tufted appressed hairs ; petioles 0 . 6 - 1 . 5 cm long 叶对生，纸质，圆卵形、近圆形或椭圆形，长4 - 8厘米，顶端圆形，基部圆形至宽楔形，边缘除基部外具整齐而稍带波状的锯齿，两面被黄褐色簇状短伏毛；叶柄长6 - 15毫米。
These specimens of ruppia are characterized by possessing a small oval endocarp , smooth endocarp surface , distinct narrowly elliptic external depressions , distinct apical mucro , slightly curved seed shape and conspicuous globose hilum . a new species , r . yushensis sp . nov 该新种的主要特征为内果皮卵形、表面光滑、侧面具两个显著的窄椭圆形凹陷、顶端具一个明显的小尖突，以及种子顶端具显著的球形膨大的种脐。
Leaves 2 , arising from the scale axils , membranous , elliptic to ovate , 1 - 4 cm long and 0 . 5 - 2 cm wide , apex rounded or slightly acute , base rounded or cuneate , margin entire and wavy ; veins 3 , middle veins conspicuous , margin veins ca . 0 . 5 mm from the edge ; petiole 1 - 4 . 5 cm long 叶2片自鳞片腋部生出，薄膜质，长椭圆形或卵形，长1 - 4厘米，宽0 . 5 - 2厘米，先端圆或略尖，基部圆形或楔形，边缘全缘呈波状；叶脉3条，中脉明显，缘脉距叶缘约0 . 5毫米；叶柄长1 - 4 . 5厘米。
Leaves ternate ; leaflets papery or nearly leathery , ovate to ovate - elliptic , 6 - 15 cm long and 3 - 7 cm wide , apex abruptly acuminate , base rounded to subcordate , entire , both surfaces glabrous ; basal veins 3 , lateral veins 4 - or 5 - paired , conspicuous on both surfaces ; petiolules 1 . 5 - 2 cm long , glabrous 叶为三出复叶；小叶纸质或近革质，卵形至卵状椭圆形，长6 - 15厘米，宽3 - 7厘米，先端突尖，基部圆形至近心形，全缘，两面无毛；常有基出3出脉，侧脉4 - 5对，两面均明显；小叶柄长1 . 5 - 2厘米，无毛。
As addenda , a tennis and fives court , a shrubbery , a glass summerhouse with tropical palms , equipped in the best botanical manner a rockery with waterspray , a beehive arranged on humane principles , oval flowerbeds in rectangular grassplots set with eccentric ellipses of scarlet and chrome tulips , blue scillas , crocuses , polyanthus , sweet william , sweat pea , lily of the valley bulbs obtainable from sir james w . mackey limited wholesale and retail seed and bulb merchant and nurseryman , agent for chemical manures , 23 sackville street , upper , an orchard , kitchen garden and vinery , protected against illegal trespassers by glasstopped mural enclosures , a lumbershed with padlock for various inventoried implements 可以增添一个网球兼手球场，一片灌木丛，用植物学上最佳办法设置一座热带椰子科植物的玻璃凉亭，有喷泉装置的假山石，按照人道的原则设计的蜂窝。在矩形的草坪上布置一座座椭圆形花坛，将深红和淡黄两色的郁金香蓝色的天蒜报春花西樱草美洲石竹香豌豆花和欧钤兰都栽培成别致的卵形球根购自詹姆斯w马凯伊爵士247的股份有限公司，他是个种籽与球根批发兼零售商，苗木培养工，化学肥料代理商，住在上萨克维尔街二十三号。果树园蔬菜园和葡萄园各一座。
Thyrses 5 - 7 cm in diameter , sparsely flowered , with 2 - 5 white sterile marginal flowers about 2 - 3 cm in diam . ; peduncles 2 - 4 cm long ; fertile flowers yellowish white , corolla c . 3 mm in diam . , rotate , lobes ovate , half as long as corolla tubes ; stamens nearly as long as corolla , anthers oblong ; styles slightly higher than calyx teeth 聚伞花序直径5 - 7厘米，花稀疏，外围有2 - 5朵白色、直径2 - 3厘米的不孕花，总花梗长2 - 4厘米；可孕花花冠黄白色，直径约3毫米，辐状，裂片卵形，长约为筒之半；雄蕊与花冠几等长，花药矩圆形；柱头略高出萼齿。
Leaves papery , oval in outline , 6 - 7cm long and 8 - 11 cm wide , base rounded or subtruncate , trilobed or sometimes 5 - lobed ; lobes triangular - ovate , rarely ovate - oblong , apex acute or acuminate , margin serrulate , with appressed acute teeth , sometimes entire near base , glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long , glabrous 叶纸质，轮廓阔卵形，长6 - 7厘米，宽8 - 11厘米，基部圆或近截平， 3裂或有时5裂，裂片三角状卵形，有时卵状长圆形，顶端渐尖，边缘有疏而锐利地锯齿，有时近基部全缘，两面无毛或下面脉腋有簇毛；叶柄长2 - 3厘米，无毛。
