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

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。

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。

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。

filaments glabrous. carpels 3, glabrous or sparsely puberulent.

花丝无毛心皮3，无毛的或疏生微柔毛。

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。

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。

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。

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。

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。

fruit glabrous, rarely puberulent when young.

无毛，很少被微柔毛的果幼时。

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。

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。

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。

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。

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。

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

茎向左缠绕，棕色幼时，后脱落。

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。

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。

stem twining to left, minutely yellow puberulent, prickly.

茎向左缠绕，微小的黄被微柔毛，具皮刺。

fruit a capsule, nearly globose, locules easily freed from each other, stellate puberulent.

果一蒴果，近球状，子房室容易彼此离生的，星状被微柔毛。