1.Young branches and inflorescence branches densely glandular, setulose, sharply quadrangular.
浓密的幼枝和花序分枝具腺，具小刚毛，锐四棱。
2.Herbs, annual, glaucescent throughout, glabrous except the setulose fruit.
草本，年刊，全部，除这具小刚毛果之外无毛。
3.3 (2) Leaf blade elliptic, abaxially densely setulose, apex with a membranous acumen much shorter than blade.
叶片椭圆形，背面的密被小刚毛，先端具一膜质渐尖头远短于叶片。
4.Leaves not crowded at stem apex, petiole 4-15 mm; female peduncle less than 1 cm; female perianth lobes setulose at apex.
叶不密集在茎先端，叶柄4-15毫米；雌花序梗少于1厘米；雌花花被裂片具小刚毛的在先端。
5.2 (1) Leaf blade plane, margin incrassate, setulose.
叶片平面，边缘增厚，。
6.internodes gray-green, usually with purple speckles, initially usually white powdery below nodes and sparsely setulose;
节间灰绿色，通常具紫色斑点，在节点下面最初通常白色敷粉和稀少具小刚毛；
7.Twigs rounded, pubescent and brownish glandular setulose, glabrescent;
小枝圆形，短柔毛和带褐色具腺，后脱落；
8.primary ribs filiform, setulose, lateral ribs displaced onto the commissural surface;
主棱丝状，具小刚毛的，侧棱移动至合生面上；
9.filaments glabrous; ovary glandular-hairy or glandular-setulose;
花丝无毛子房腺毛或具腺具小刚毛；
10.Buds grayish, ovoid, ca. 3 mm. Petiole short to almost absent, setulose;
浅灰色，卵球形的芽，约3毫米叶柄短到几乎无，具小刚毛；