shrubs ca. 2 m tall, sparsely glandular papillose-puberulent on branchlets, petioles, and inflorescence rachis.

teeth triangular, ca. 4 mm, apex spinescent-acuminate, puberulent inside.

三角形的齿，约4毫米，具刺渐尖，被微柔毛的先端在里面。

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leaflets coarsely toothed or crenate-dentate; bracteoles shorter than flowers; fruit sparsely puberulent (widespread in china).

粗的小叶齿或具圆齿有齿；小苞片短于花；果疏生微柔毛的（在中国的广布的）。

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epicalyx lobes ovate, ca. 2. 5 cm, densely white stellate puberulent and brown-yellow stellate scabrous hairy, margin white spiny hairy.

卵形的副萼裂片，大约2.5厘米，浓密白色星状被微柔毛和棕色黄星状粗糙有毛，白色多刺有毛的边缘。

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scar ca. 2 cm in diam. , depressed; stylopodium persistent, raised, puberulent.

直径的痕约2厘米，下凹的花柱基持久，提高，被微柔毛。

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stems ca. 36 cm, glabrous below, sparsely appressed puberulent above, branched.

茎约36厘米，无毛下面，被微柔毛的疏生贴伏在上面，分枝。

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filaments glabrous. carpels 3, glabrous or sparsely puberulent.

花丝无毛心皮3，无毛的或疏生微柔毛。

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petals 5, much longer than calyx, coherent at base, outside pubescent, inside puberulent.

花瓣5，远长于花萼，连着的在基部，外面被短柔毛，在被微柔毛里面。

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herbs perennial. stems erect, 25-60 cm tall, angles slightly winged, glabrous except nodes sometimes puberulent, much branched.

多年生草本茎直立，25-60厘米高，有棱稍具翅，除有时被微柔毛节之外无毛，多分枝。

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corolla white, 4-lobed, exserted from calyx, tube ca. 4 mm, outside sparsely glandular, inside puberulent, yellowish villous in throat.

花冠白色，4裂，从花萼外露，筒部约4毫米，具腺的外面疏生，在被微柔毛，淡黄的具长柔毛在喉内里面。

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leaf blade oblong, abaxially glabrous except for sparsely puberulent veins.

除了疏生微柔毛的脉的叶片长圆形，背面无毛。

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petals yellowish, square or oblong, with 3 veins, brown-yellow and conspicuous, especially costa, abaxially puberulent.

淡黄的花瓣，正方形或长圆形，3脉的具，棕色黄和明显，特别是中脉，被微柔毛。

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fruit glabrous, rarely puberulent when young.

无毛，很少被微柔毛的果幼时。

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stems 1, erect, ca. 1 m tall, simple or apically branched, glabrous or puberulent, with a ring at each node connecting petiole bases.

茎1，直立，1米高的约，单或顶部分枝，无毛或具微柔毛，具一戒指在连结叶柄基部的每节。

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calyx ca. 4 mm, minutely stellate puberulent, lobes triangular, acute to slightly acuminate.

花萼长约4毫米，微小的被微柔毛，三角形的裂片，锐尖对稍渐尖。

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calyx lobes broadly ovate, ca. 1 mm, outside puberulent, margin membranous and ciliate, apex rounded.

宽卵形的萼裂片，约1毫米，外面被微柔毛，边缘膜质和具缘毛，先端圆形。

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petals ca. as long as sepals, both surfaces puberulent, large toothed at apices.

花瓣与萼片近等长，两面被微柔毛，大的齿在顶端。

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stem, petiole, leaf blade veins abaxially, and base of female peduncle minutely puberulent when young.

茎，叶柄，背面的叶片脉，并且雌花序梗稍被微柔毛幼时的基部。

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stem twining to left, brown puberulent when young, glabrescent.

茎向左缠绕，棕色幼时，后脱落。

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young branches densely puberulent, older ones gray-brown, lenticellate and glabrous.

幼枝密被被微柔毛，老的灰棕色，具皮孔和无毛。

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upper lip rounded, lobes outside glandular and puberulent.

上唇绕行，在具腺和被微柔毛外边的裂片。

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