1、The finding suggests that the barbs and barbules evolved before the rachis in feathers.
該發(fā)現(xiàn)表明，羽毛中的羽枝和小羽枝是先于羽軸進(jìn)化出來的。

2、That is interesting because the rachis seems to aid in flight.
這就很有趣了，因?yàn)?/a>羽軸似乎有助于飛行。

3、Branchlets and inflorescence rachis sparsely pubescent or puberulent.
小枝和花序軸疏生短柔毛或者被微柔毛。

4、Pedicels of spikelet pair equal, as long as rachis internode; upper glume with 0. 5-1 mm mucro.
小穗對的花梗等于，倍于軸節(jié)間；上面穎片具0。5 - 1毫米短尖頭。

rachis翻譯

n. 脊椎, 脊柱, 花序軸【醫(yī)】 脊柱, 脊椎, 花序軸, 葉軸 詳情