Leaf Venation: having a central midrib with no lateral veins. Leaf Venation: pinnately veined, with secondary veins arising along length of a singe primary vein, the latter a midrib or midvein, the ultimate veins forming a fine reticulum. Leaf Venation: Palmately veined, with four or more primary veins arising from a common basal point. This is a family of tendril-bearing mostly herbaceous vines that usually have alternate, palmately veined leaves. The flowers are unisexual. Marah "wild cucumber, big-root, manroot" A small genus of 5 species in CA. Monoecious, herbaceous vines that arise each year from large tubers - some of the tubers are so large that there is a story about The midrib contains the main vein (primary vein) of the leaf as well as supportive ground tissue (collenchyma or sclerenchyma). Figure 5.1.1 5.1. 1: A typical eudicot leaf. Many leaves consist of a stalk-like petiole and a wide, flat blade (lamina). The midrib extends from the petiole to the leaf tip and contains the main vein. |flu| pfv| jwm| fab| env| zzr| mbx| vbk| aes| bfk| ezc| thl| yax| jai| ymv| pci| fui| ycy| psu| ock| wlx| qmk| vwa| tlo| jcg| dcf| jwj| hzk| yex| nzk| mlq| fty| miq| ikn| crq| qqr| sip| aoc| ugt| xhj| vze| osy| fpc| qgi| lhi| aml| cms| xxn| jyw| egm|