Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞成的维管束鞘，具双生皮部。

ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.

方法利用微镜观察其根、茎的横切面织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线明。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成束鞘，具双生皮部。

ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.

方法利镜观察其根、茎横切面结构组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线明。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成的鞘，具双生皮部。

ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.

方法微镜观察其根、茎的横切面结构组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线明显。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成的维管束鞘，具生皮部。

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、茎的横切面结构组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线明显。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成的维管束鞘，具双生皮部。

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、茎的横切面结构组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓发达，髓射线明显。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成的维管束鞘，具双生皮。

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、茎的横切面结构组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部发达，髓射线。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

脉发达，有异细胞组成的维管束鞘，具双生皮部。

ResultsThe root of Tylophora atrolliculata Metc. had amphicribral vascular bundle, however steme had bicollateral vascular bundle.

方法利用微镜观察其根、茎的横切组织与根粉末特征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

达，射线明显。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉达，有异细胞组成的维管束鞘，具双生皮。

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、茎的横切面结构组织与根征。

Collateral or bicollateral vascular bundle, developmental pith and medullary ray are obvious.

髓部，髓射线明显。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉，有异细胞组成维管束鞘，具双生皮部。

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、切面结构组织与根粉末特征。