lateral veins 5 or 6 pairs, conspicuous, slender, obliquely spreading from midrib.

1、

midrib, lateral and net veins impressed adaxially.

中脉，侧脉和网脉正面凹陷。

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2、

the midrib and larger veins in a leaf.

叶脊或大叶脉。

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3、

midrib and lateral veins in 10-14 pairs, slightly elevated on both surfaces, subparallel, ascending to margins, curved anastomosing.

中脉和侧脉10-14对，两面稍突起，近平行，上升至边缘，弯曲网结。

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4、

through seven rounds of midrib fleming mar.

打通中脉七轮

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5、

lateral veins at narrow angle to midrib, obscure abaxially, conspicuous adaxially.

侧脉与中脉成狭角，不明显，正面明显。

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6、

lateral veins ca. 15 on each side of midrib, inconspicuous, marginal vein absent.

侧脉约15在中脉每边各，无的不明显，边缘脉。

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7、

leaves and stipules abaxially glabrous; midrib and lateral veins adaxially flattened.

叶和托叶背面无毛；正面使变平的中脉和侧脉。

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8、

lateral veins ca. 15 on each side of midrib, ending in marginal glands, marginal vein present.

侧脉约15在中脉每边各，结果是边缘的腺体，边缘的脉宿存。

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9、

culm sheaths auricles shorter, subfalcate; leaf blade abaxially hairy along only one side of midrib.

竿箨耳廓短，近镰状；沿着唯一的中脉的一侧有毛的叶片背面。

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10、

adaxial surface deep green, sparsely scaly, midrib and lateral veins raised abaxially, concave adaxially.

正面深绿色，疏生鳞片，中脉和侧脉背面突起，正面凹。

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11、

midrib impressed or plane adaxially, elevated abaxially, lateral veins pinnate, obscure on both surfaces.

中脉凹陷或者正面平，背面突起，侧脉羽状，两面不明显。

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12、

midrib elevated on both surfaces, lateral veins 6-10 pairs, delicate, obliquely ascendant, anastomosing near margin.

中脉两面突起，侧脉6-10对，柔弱，倾斜上升，靠近边缘网结。

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13、

costa: a rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.

肋骨，叶脉：肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边。

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14、

midrib raised abaxially, often grooved adaxially, lateral veins inconspicuous, much varied.

中脉背面突起，经常在上开槽正面，不显眼的侧脉，很多变化。

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15、

adaxial surface glabrous except in grooved midrib.

除了在在上开槽的中脉里的正面无毛。

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16、

branchlets, leaf rachis, leaf petiole, and lower side of leaflet midrib densely pubescent.

传单中脉的小枝，叶轴，叶柄和更低的边密被短柔毛。

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17、

branchlets, leaf rachis, leaf petiole, and lower side of leaflet midrib minutely pubescent.

小枝，叶轴，叶柄和传单中脉稍具短柔毛的更低的边。

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18、

adaxial surface glabrous; midrib and lateral veins prominent abaxially.

正面无毛中脉和侧脉背面突起。

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19、

leaf blade abaxially pubescent along one side of midrib; veins forming square tessellations.

沿着中脉的一侧的叶片背面短柔毛；脉形成广场棋盘花纹。

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20、

midrib prominent abaxially, grooved adaxially, lateral veins inconspicuous or invisible.

中脉突出背面，正面开槽，侧脉不显眼或者看不见。

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