branchlets cylindric, wrinkled, 2-3 mm thick, appressed puberulent, rapidly glabrescent.

corolla blue-purple, ca. 8 mm, puberulent, lips subequal.

花冠蓝紫色，约8毫米，被微柔毛，唇近等长。

leaf blade ovate to elliptic, 4-6 cm, abaxially glabrous or puberulent, base obtuse, margin serrate or occasionally double serrate.

叶片卵形到椭圆形，4-6厘米，被微柔毛的背面无毛或，基部钝，重锯齿的边缘有锯齿或偶有。

climbers herbaceous, 1-2 m long, glabrous or very finely powdery puberulent, dioecious.

攀援藤本草质，1-2米长，或非常好敷粉被微柔毛，雌雄异株。

calyx unequally 4- or 5-dentate, outside sparsely puberulent, inside glabrous in fruit.

花萼不相等具牙齿的4或5，被微柔毛的外面疏生，在果期的里面无毛。

stem ca. 60 cm tall, densely appressed puberulent, simple.

茎约60厘米高，被微柔毛，单的浓密贴伏。

branchlets opposite or subopposite, red-brown or black-brown, puberulent.

小枝对生或近对生，红棕色或者黑棕色，被微柔毛。

carpels 3, sparsely puberulent only on ventral suture. fl. jul.

花丝无毛心皮3，只在腹面的缝上疏生微柔毛。

branchlets light gray when dry, puberulent, lenticellate.

小枝干燥时浅灰色，被微柔毛，具皮孔。

stem ca. 30 cm tall, simple or shortly 1-branched, with inflorescence spreading yellow puberulent.

茎大约30厘米高，简单和不久1分枝，具花序开展黄色微柔毛。

sepals ovate, ca. 1 mm, puberulent, margin translucent.

萼片卵形，约1毫米，被微柔毛，边缘半透明。

sepals ovate, ca. 1 mm, acute or short acuminate, puberulent outside.

萼片卵形，约1毫米，锐尖或短使尖锐，在外边。

fruit red, globose, ca. 6 mm in diam. , not punctate, glabrous or puberulent.

果红色，球状，直径约6毫米，不具点，无毛或具微柔毛。

stem ca. 45 cm tall, proximally densely appressed puberulent, distally sparsely so, 2-branched.

茎约45厘米高的，上部被微柔毛的，下部浓密贴伏疏生如此，2分枝。

pedicel ca. 4 cm, articulate near apex, gray stellate puberulent.

花梗约4厘米，近先端有节的，灰色星状被微柔毛。

calyx 2. 5 mm in flower, densely puberulent outside; posterior tooth only slightly wider, acuminate.

花萼2.5毫米在花中，在外面密被微柔毛；后唇瓣齿只稍宽，渐尖。

shoots stout, ca. 5 mm in diam. , branchlets of current year purplish or brownish, puberulent and glandular.

嫩枝粗壮，直径约5毫米，当年小枝略带紫色或者带褐色，被微柔毛和腺。

corona fringed, scales 10, as long as or longer than anthers, puberulent inside.

具流苏的副花冠，按比例绘制，等长或长于花药，在里面被微柔毛。

buds, petioles, young leaves, midvein adaxially and mature leaves puberulent.

芽，叶柄，幼叶，中脉正面和成熟叶子被微柔毛。

corolla tube 6-8 mm, puberulent at insertion of stamens, lower lobe slightly dentate. stamens and style exserted.

花冠筒6-8毫米，在雄蕊的插入时候被微柔毛，更低的裂片稍具牙齿。

seeds reniform, ca. 3 mm, densely ferruginous puberulent.

种子肾形，约3毫米，密被铁锈色。