(3)形成层环不甚明显;
(4)木质部导管直径大,单个或2~3个成 束; (5)韧皮部和木质部均有晶纤维; (6)薄壁细胞含淀粉粒。
Microscopical characters
Powder:
Brownish-yellow. Fibres in bundles, 8~14μm in diameter,
Plant Morphology
Glycyrrhiza uralensis: 甘草
A perennial herb , 30~100 cm high, covered with white pubescences, glandular scars or glandular hairs throughout. Rhizome cylindrical ; main root relatively long, stout, outer bark reddish-brown to dark brown, taste sweet.
次酸)
Flavonoids:
liquritin (甘草苷) , liquiritigenin( 甘草苷元) (the aglycone of liquiritin) ( 甘 草 苷 的 苷 元 ) , isoliquiritin ( 异 甘 草 苷 ) , isoliquiritigenin(异甘草苷元)。
branchlet 羽状的 托叶
总状花序
花萼
花冠
Flowers in axillary racemes, dense; calyx campanulate, 5-lobed; corolla papilion-aceous (butterfly-like), purplish-red or bluish-purple; stamens 10, diadelphous; ovary sessile, tapering upwards to become a style.