branching apical, dichotomous or polychotomous, terete;

current year's branchlets purple-black when dry, terete, glabrous, longitudinally angular and sulcate;

干燥时的当年小枝紫色黑色，圆柱状，无毛，具纵棱和具槽；

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branchlets terete, those of present year grayish brown, older ones grayish brown or dark grayish brown;

小枝圆柱状，当年淡灰棕色的，更老的淡灰棕色或者黑的淡灰棕色；

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branchlets purplish brown when old, terete, robust, short, densely tomentose when young, glabrous when old;

小枝略带紫色的棕色的老时，圆柱状，坚固，短，幼时的密被绒毛，无毛的老时；

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prickles paired at leaf bases, terete, straight, to 8 mm, abruptly flaring to a broad base;

皮刺配对在叶基部，圆柱状，直，对8毫米，对一个宽的基础突然闪光；

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male flower: adaxial and abaxial glands shortly linear or terete, divided or entire;

雄花不久的正面和背轴腺线的或圆柱状，分或全缘；

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shrubs evergreen. second year's branchlets gray-brown, terete, longitudinally fissured;

常绿灌木第二年的小枝灰棕色，圆柱状，纵向裂开；

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branchlets gray-yellow, terete, longitudinally shallowly striate-sulcate, densely pubescent;

小枝灰黄色，圆柱状，纵向浅具条纹具槽，密被短柔毛；

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young branchlets yellow-brown when dry, terete, longitudinally angular and sulcate, glabrous;

幼枝干燥时的棕色的黄，圆柱状，具纵棱和槽的，无毛；

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branchlets purple-red to red-brown, slender, terete, sparsely crisped pubescent when young, glabrescent;

小枝紫红色到红棕色，细长，圆柱状，稀少使卷曲的幼时具短柔毛，后脱落；

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branchlets terete, longitudinally ribbed, grayish white;

小枝圆柱状，纵向具肋，浅灰色白色；

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petiole and rachis terete, minutely grayish yellow pubescent;

圆柱状的叶柄和轴，微小的淡灰黄色短柔毛；

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branchlets terete, with longitudinal ridges, with sparse arachnoid tomentum when young, then falling off;

小枝圆柱状，带有纵脊，幼时带有具稀疏蛛丝状毛，然后脱落；

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tube terete, constricted below middle, with densely antrorse setae;

筒部圆柱状，缢缩中间以下，具浓密；

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branchlets dark red-brown when old, slender, terete, densely yellow-gray villous initially, later glabrescent;

小枝暗红色棕色的老时，最初细长，圆柱状，浓密黄灰色具长柔毛，后脱落的；

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branchlets reddish brown when old, terete, slender, pubescent when young, soon glabrescent, glabrous when old;

小枝红棕色老时，圆柱状，细长，幼时具短柔毛，不久后脱落，无毛的老时；

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branches grayish brown, terete, long flagelliform;

分枝淡灰棕色，圆柱状，长鞭状；

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young branchlets terete, longitudinally ridged, glabrous;

圆柱状的幼枝，纵向脊，无毛；

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branchlets arching, red-brown to gray-brown, slender, terete, slightly angled, pubescent when young, later glabrous;

小枝拱起，红棕色到灰色棕色，细长，圆柱状，稍具角，幼时具短柔毛，过后无毛；

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branchlets gray-brown, terete, with sparse orbicular or oblong lenticels, coarsely yellow-brown puberulent;

小枝灰棕色，圆柱状，带有稀少球状或者长方形皮孔，粗黄棕色被微柔毛；

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fruit dehiscent siliques, linear, terete or slightly latiseptate, sessile or rarely shortly stipitate;

果开裂长角果，线形，或稍，无梗或很少具短柄；

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