pterotic horn or process On the neurocranium, elongated posterior projections of the sphenopterotic ridges of the otic capsules.
翼耳骨突在脑颅上,耳囊鞘翼耳骨脊
延长后部突起。
pterotic horn or process On the neurocranium, elongated posterior projections of the sphenopterotic ridges of the otic capsules.
翼耳骨突在脑颅上,耳囊鞘翼耳骨脊
延长后部突起。
Ridges on achene surface in Senecio and Taraxacum are useful for absorbing small particles or control-ling surface temperature.Spinule on achene of Taraxacum may be fit for epizoochore.
千里光属物和蒲公英属
物瘦果表
纵棱更为突起,可能有利于吸附小颗粒和控制表
,蒲公英属
物瘦果表
刺可能有利于2次传播。
7月5日-4】(10x)显示上皮角化相当肤浅,表皮角化、增厚背后(棘)、伸长加厚网线上.
. 7 5 -4 (10X) 】The epithelium shows considerable superficial hyperkeratosis, parakeratosis and thickening of the underlying epidermis (acanthosis) with thickening and elongation of the rete ridges .
In a pennaceous feather, the barbs grow helically around the tubular feather germ and fuse on one side to form the rachis.Simultaneously, new barb ridges form on the other side of the tube.
在正羽上,羽枝以螺旋形绕著管状羽芽生长,在管子
一侧接合在一起形成羽轴,同时在管子
另一侧形成新
羽枝脊。
Fruit ellipsoid, slightly dorsally compressed, 2–4.5 × 1.5–2.5 mm, densely tomentose or squamose-scaly, especially along ridges;
果椭圆形,稍背压扁,2-4.5*1.5-2.5毫米,密被绒毛或有鳞,特别脊;
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