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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。
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Leaves opposite; petiole 4-7 mm; leaf blade elliptic to obovate, 3-8 × 1-4 cm, leathery, pubescent when young but glabrescent and shiny with age, abaxially gray tomentose, secondary veins 1 on each side of midvein, originating near leaf blade base, and meeting at apex, tertiary veins 4-6 on each side of midvein and connecting midvein to secondary veins, reticulate veins obvious, intramarginal veins 3-4 mm from margin, base broadly cuneate, apex rounded to obtuse and often slightly emarginate or sometimes slightly apiculate.
叶对生 叶柄4-7毫米；叶片椭圆形到倒卵形， 3-8 * 1-4 厘米，革质，幼时具短柔毛但老时脱落无毛和发亮的，背面灰色被绒毛，次脉在中脉两边各1，近叶片基部发出，在先端会集，第三脉在中脉两边各4-6和连结中脉和次脉，网脉明显，近边缘内脉距边缘3-4毫米，基部宽楔形，先端圆形到钝和通常稍微凹或有时稍具细尖。
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Leaves trifoliolate; lateral leaflets subsessile, petiolule of terminal leaflet 2-4 cm; leaflet blades oblong-lanceolate to elliptic, 5-10 cm, subcoriaceous, glabrous or densely pubescent on abaxial surface when young and pubescent along veins when mature, green adaxially, pale green abaxially, lateral veins 7-10 pairs, base obtuse to rounded, sometimes oblique on lateral leaflets, margin serrulate with hard teeth, apex narrowly acuminate.
叶具三小叶；近无柄的侧生小叶，顶生小叶的小叶柄2-4厘米；小叶叶片长圆状披针形的到椭圆形，5-10厘米，近革质，在背面上幼时无毛的或密被短柔毛的，成熟时短柔毛沿脉，正面绿色，背面浅绿色，侧脉7-10对，基部钝到圆形，有时在侧生小叶上斜，边缘细锯齿具硬齿，先端狭渐尖。
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Leaves petiolate; leaf blade papery to membranous, secondary veins 1 or 2 on each side of midvein, tertiary veins parallel, margin usually serrulate.
叶具叶柄叶片纸质到膜质，次脉在中脉两边各1或2，平行的第三脉，边缘通常有细锯齿的。
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Twigs distinctly trigonous or with narrow wings; inflorescence 2–3 cm; bract ovate-lanceolate, 5–6 mm, with 1 distinct main vein, distinctly carinate, secondary veins 2 pairs.
清楚的小枝三棱的或具狭窄翅；花序2-3厘米；苞片卵状披针形，5-6毫米，具1离生的主脉，清楚具龙骨状隆起，次脉2 对。
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Leaves petiolate; leaf blade secondary veins 2-4 on each side of midvein, tertiary veins parallel, margin entire or denticulate.
叶具叶柄叶片次脉2-4在中脉两边各，平行的第三脉，边缘全缘或具小齿。
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Leaves opposite , very rarely stipulate, petiolate, entire, leathery to papery, usually glabrous; secondary veins usually prominent, numerous to few, oblique to perpendicular to midvein; tertiary veins reticulate, with adaxial brownish transvenous resin canals and abaxial linear or intervenous translucent glands; petiole often with basal liguliform appendage.
叶对生 ，极少具托叶，具叶柄，全缘，革质到纸质，通常无毛；次脉通常突出，许多对很少，偏斜到与中脉垂直；第三脉网状，具正面带褐色的transvenous树脂道并且背面线形或脉间的半透明的腺体；叶柄通常具基生舌状的附属物。
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Leaves opposite, petiolate, leathery, usually with inconspicuous, translucent glands; secondary veins many, slender; tertiary veins scalariform, not prominent.
叶对生，具叶柄，革质，通常具不明显，半透明的腺体；次脉很多，纤细；第三脉梯状，不突出。
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Leaves simple, rarely trifoliolate, opposite, sessile or shortly petiolate, no more than 5 mm; blade ovate to oblong-ovate, 11-14(-16.5)× 5.5-7(-8) cm, coriaceous, glabrous, adaxially lustrous green, abaxially pale green, main vein impressed adaxially and prominent abaxially, lateral veins 5-9(-11) pairs, slightly discernible adaxially and conspicuous abaxially, base subcordate, rarely rounded, margin glandular crenate or -serrate, apex apiculate, cusp 5-10(-15) mm.
单叶，很少具三小叶，对生，无梗或短具叶柄，顶多5毫米；叶片卵形到长圆状卵形， 11-14(-16.5)* 5.5-7(-8)厘米，革质的，无毛，正面的是有光泽的绿色，背面的淡绿色，主脉正面凹陷和突出背面，侧脉5–9(–11)对，正面稍可见，背面明显，基部近心形，很少圆形，边缘腺状圆齿或腺锯齿，先端具细尖，尖突5–10(–15)毫米。
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Three-nerved, with the nerves all arising from near the base.
具三脉的 Trinerved 三脉，都从近基处发出。
- 更多网络解释与具三脉的相关的网络解释 [注：此内容来源于网络，仅供参考]
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Philadelphus pekinensis：太平花
山林中的灌木有太平花(Philadelphus pekinensis)对生着暗绿的,具三主脉的卵状披针形叶子;半开的下垂的清香花朵有四片洁白如布帛的宽大花瓣和花心中乳黄的花蕊.
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Hippoboscidae：虱蝇科
触角芒呈羽毛状,翅的第四纵脉和第三纵脉(10)麻蝇科(Sarcophagidae) 肩后鬃比沟前鬃为高,有4根背侧片鬃,其幼虫为尸生(11)虱蝇科(Hippoboscidae) 体扁平,革质膜,触角单节,具刺吸式口器,爪强大,胎生.
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Muscidae：蝇科
仅有皮(9)蝇科(Muscidae) 虫体呈黑色至黑灰色. 触角芒呈羽毛状,翅的第四纵脉和第三纵脉(10)麻蝇科(Sarcophagidae) 肩后鬃比沟前鬃为高,有4根背侧片鬃,其幼虫为尸生(11)虱蝇科(Hippoboscidae) 体扁平,革质膜,触角单节,具刺吸式口器,
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Sarcophagidae：麻蝇科
触角芒呈羽毛状,翅的第四纵脉和第三纵脉(10)麻蝇科(Sarcophagidae) 肩后鬃比沟前鬃为高,有4根背侧片鬃,其幼虫为尸生(11)虱蝇科(Hippoboscidae) 体扁平,革质膜,触角单节,具刺吸式口器,爪强大,胎生.