克钦楼梯草, 缅甸荨麻科一新种

该文描述了自缅甸北部发现的荨麻科楼梯草属一新种,克钦楼梯草。此种在体态上与骤尖楼梯草甚为相似,与后者的区别在于本种的每一茎节具正常叶和一退化叶,托叶狭披针状条形和无脉,雌总苞苞片无角状突起,雌小苞片较大,呈楔状长圆形,雌花具一小花被片,以及雌蕊具一宽倒卵球形柱头。

Elatostema kachinense, a new species of Urticaceae from Myanmar

A species of the genus Elatostema (Urticaceae), E. kachinense, is described as new from northern Myanmar. This species in habit is very similar to C. cuspidatum Wight, and from the latter differs in its stem node with a normal leaf and a reduced leaf, narrowly lanceolate-linear nerveless stipules, uncorniculate pistillate involucral bracts, much larger cuneate-oblong pistillate bracteoles, pistillate flower with a minute tepal, and pistil with a obovoid stigma.