Venation is the pattern of veins in the blade of a leaf. Cov hlab ntsha muaj cov ntaub so ntswg uas tseem ceeb rau kev thauj khoom noj thiab dej. Nplooj nplooj txuas cov hniav mus rau petiole, thiab coj los ntawm lub petioles mus rau qia.
Koj paub li cas nplooj venation?
Muaj ob qhov kev faib tawm uas koj yuav tsum paub txog kev txheeb xyuas tsob ntoo: Pinnate Venation: Cov leeg txuas ntawm nruab nrab mus rau nplooj nplooj. Piv txwv li ntoo qhib thiab cherry nplooj. Palmate Venation: Lub veins radiate nyob rau hauv ib tug kiv cua zoo li ntawm nplooj petiole.
Yuav ua li cas yog venation nyob rau hauv nplooj?
: kev npaj lossis txheej txheem ntawm cov leeg (raws li cov ntaub so ntswg ntawm nplooj lossis tis ntawm kab)
venation nyob qhov twg?
Venation yog tus qauv lossis kev npaj ntawm cov leeg lossis cov hlab ntsha ntawm lub lamina lossis nplooj nplooj. Muaj ob hom venation pom: reticulate venation thiab parallel venation. Parallel venation pom nyob rau hauv cov paj ntoo uas lawv cov noob tsuas muaj ib nplooj embryonic xwb.
nplooj venation nrog piv txwv yog dab tsi?
Reticulate venation - Reticulate venation suav nrog cov hlab ntsha tsis tu ncua rau kev tsim lub network. Piv txwv li: Hibiscus, papaya, nplooj ntawm Tulsi, Coriander, Tuam Tshoj Rose, Mangifera, Parallel venation - Parallel venation txhais tau hais tias cov leeg khiav mus rau ib leeg.
