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Fruit dry, without evident mesocarp, divided at maturity into 4 1-seeded mericarps; annual herbs
果干燥,没有明显中果皮,裂成熟时进4 1种子分果爿;一年生草本的草本 5 Coldenia 双柱紫草属
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Fruit indehiscent silicle, didymous, schizocarpic, reniform, cordate, or obcordate, angustiseptate, sessile, breaking into 2, 1-seeded, closed halves; valves woody, obscurely to prominently veined, glabrous or hairy, keeled or rounded, reticulate, rugose, verrucose, tuberculate, or rarely smooth; replum rounded; septum reduced to a rim or absent; style obsolete or to 1 mm; stigma capitate, entire.
果不裂短角果,成双,schizocarpic,肾形,心形,倒心形,果实狭隔的或,无梗,闯进2,1种子,裂爿木质,不明显兑一显著脉,无毛或有毛,龙骨状或圆形,,具皱纹,瘤状,具瘤,平滑的或很少;假隔膜绕行;隔膜退化至一凸缘或无;花柱废退的或到1毫米;柱头头状,全缘。
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Fruit indehiscent, schizocarpic, didymous, angustiseptate silicles, sessile; valves transversely ovate or sublenticular, 1-seeded, woody, reticulate, keeled all around; replum rounded; septum complete, thickened, opaque, veinless; style slender, to 0.3 mm; stigma capitate, entire.
不裂的果,schizocarpic,成双,果实狭隔短角果,无梗;横向的裂爿卵形的或sublenticular,1种子,到处木质,网状,龙骨状;假隔膜绕行;隔膜完全,加厚,不透明,无脉;花柱纤细,对0.3毫米;柱头头状,全缘。
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Fruit indehiscent, schizocarpic, didymous, angustiseptate silicles, sessile or shortly stipitate; valves oblong, obovate, or orbicular, 1-seeded, leathery, smooth, broadly winged, keeled, glabrous; replum rounded; septum complete, thickened, opaque, veinless; style obsolete, rarely to 0.5 mm; stigma capitate, entire.
不裂的果,schizocarpic,成双,果实狭隔短角果,无梗或具短柄;裂爿长圆形,倒卵形,或圆形,1种子,革质,平滑,具宽翅,龙骨状,无毛;假隔膜绕行;隔膜完全,加厚,不透明,无脉;花柱淘汰,很少对0.5毫米;柱头头状,全缘。
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Male flowers in thyrses, female flowers or bisexual flowers in spikes; young leaves not covered with trichomes.
旱金莲圆柱状的果,裂爿盘绕的不在开裂期间;种子双列 13 Aphanamixis 山楝属
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mericarp:分果爿
果实由2个有棱或有翅的心皮构成,成熟时沿2心皮合生面(commissure)分离成2分果爿(mericarp),顶部悬挂于细长丝状的心皮柄(carpophore)上,称双悬果,每个分果有5条主棱(2条侧棱,2条中棱,1条背棱),有些在主棱间还有4条次棱,
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bicarpellary:两心皮的
bicardiogram | 双心电图, 二室性心电图 | bicarpellary | 两心皮的 | bicarpellatae | 双果爿植物
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scalariform vessel:梯纹导管
特别是 Myodocarpus 属,具有如伞形科植物那样的双果爿(bicarpellate)和中央 心皮柄的分果(schizocarp),但又具有五加科那样的花序和营养体结构, 它的木材是比较原始的,具梯纹导管(scalariform vessel),管壁有 7-本目包括山柳科(Clethracea