ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.
方法利用显微镜观察其根、茎的横切面结构织与根征。
ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.
方法利用显微镜观察其根、茎的横切面结构织与根征。
Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.
髓部发达,髓射线明显。
Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.
中层织、绒毡层织及药隔维管束异常均是雄性败育的因。
Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.
织富含含盐液泡泡,维管束鞘明显。
Interfascicular cambium A single layer of actively dividing cells between the vascular bundles in stems.
束间形成层是位于茎的维管束间的具有旺盛分裂能力的一层细胞。
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