adj.有角的
Stems erect or decumbent, 40-60 cm tall, angulate, branched. 茎直立或外倾，40-60厘米高，具棱，分枝。
Stems erect, dichotomous, angulate, glabrous or pubescent. 茎直立，二歧，，无毛或被短柔毛。
Ovary weakly angulate, 5-loculed, sometimes only 3 or 4 locules developing. 身体虚弱的子房具棱，5室，只有时或4发达。
Stem erect or slightly stoloniferous, terete or angulate, simple or branched, gradually glabrous downward. 有匍匐茎的茎直立或稍，圆柱状或，单一或分枝，逐渐无毛向下。
Stem slender, less angulate, less hairy; bracts shorter, 3-4 mm, apex slightly obtuse. 茎纤细，不那么具棱，不那么有毛；苞片短，3-4毫米，先端稍钝。
