查询词典 alternate leaves

Leaves alternate; stipules absent; leaf blade margin serrate or serrulate.

叶互生 无托叶叶片边缘有锯齿或有细锯齿。

Leaves alternate, often distichous; petiole short; leaf blade simple, margin entire or serrulate, venation pinnate.

叶互生，通常2列；叶柄短单叶，有细锯齿的边缘全缘或，羽状脉。

Leaves alternate, tendrils absent; leaf margin serrulate

叶互生，卷须无；叶缘有细锯齿 9

Leaves alternate, petiolate; stipules often present, small; leaf blade margin serrulate, rarely entire, pinnately veined.

叶互生，具叶柄；托叶经常宿存，小；叶片边缘有细锯齿，很少全缘，成羽状脉。

Leaves few and small, opposite or alternate, sessile.

叶很少和小，对生或互生，无梗。

Leaves alternate, narrowly elliptic-oblanceolate or narrowly elliptic, margin sinuate, cartilaginous, glabrescent.

叶互生，狭椭圆形倒披针形的或狭椭圆形，具深波状的边缘，软骨质，脱落无毛。

Leaves tufted; stipes stout, up to 1.2 m long, densely covered with golden brown hairs at base; lamina up to 2 m long and 1 m wide, tripinnatifid; pinnae alternate, sparsely spaced; pinnules linear-lanceolate, to 15 cm long and 1-2.5 cm wide, short-stipitate; ultimate lobes linear, more or less falcate, shallowly serrate, dark green and shining above, light green to glaucous below.

叶簇生；叶柄粗壮，长可达1.2米，基部亦密被金黄褐色毛；叶片长可达2米，宽达1米，三回羽状分裂；羽片互生，疏离；小羽片线状披针形，长达15厘米，宽1-2.5厘米，具短柄；末回裂片线形，略呈镰状，边缘有浅锯齿，上面深绿色，有光泽，下面灰白色。

Leaves tufted; stipes 15-30 cm long, densely scaly at base, glabrous above; sterile lamina about 60 cm long and 20 cm wide, simply pinnate; pinnae numerous, alternate or subopposite, linear-lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed; veins close, forking once or twice and forming areoles near the midrib; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0.4 cm wide, lower surface almost entirely covered with sporangia.

叶簇生；叶柄长15-30厘米，基部密被鳞片，向上近光滑；不育叶片长约60厘米，宽20厘米，一回羽状；羽片多数，互生或近对生，线状披针形，最长者长达12厘米，宽约1厘米，顶端长渐尖，基部心形，边缘有细密锯齿；叶脉1-2次分叉，近中脉形成网眼；能育叶与不育叶相似，但较小，长约8厘米，宽约0.4厘米，下部满布孢子囊。

Leaves crowded near apex of the trunk, spirally arranged; stipes dark brown, with sharp spines; lamina large, oblong, tripinnate; pinnae 17-20 pairs, alternate, longest one to 60 cm long, the basal one reduced; rachis short-spiny; pinnules 18-20 pairs, sessile or nearly so, lanceolate, to 10 cm long and 2.5 cm wide, divided almost to the costa; segments more or less falcate, toothed.

叶螺旋状排列，聚生於茎端；叶柄棕色，具锐刺；叶片大，长矩圆形，三回羽状深裂；羽片17-20对，互生，最大的长达60厘米，基部一对缩短，羽轴有短刺；小羽片18-20对，无柄或近於无柄，披针形，长达10厘米，宽2.5厘米，深裂几达中脉；末回裂片多少镰状，有齿。

Leaves alternate; stipule sessile, usually ciliate, persistent; leaf blade palmately lobed or sometimes deeply dissected.

叶互生 托叶无柄，通常纤毛，持久；叶片掌状浅裂或有时深深的多裂。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。