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Plant Bio
Test 2
11
Biology
Undergraduate 3
02/28/2010

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Term
Two principal functions of stems
Definition
support and conduction
Term
Shoot Apical Meristem
Definition
adds cells to the primary plant body but also creates leaf primordia and bud primordia.
Term
leaf primordia
Definition
develop into leaves. created off SAM
Term
Bud primordia
Definition
develop into lateral shoots
Term
tunica-corpus
Definition
shoot apical meristem organization of most flowering plants. has a tunica zone where the cells divide anticlinally(perpendicular to surface of meristem) and corpus zone where the cells divide periclinally (parallel to the surface).
Term
herbaceous
Definition
nonwoody... aka no secondary growth.
Term
monocot stems
Definition
vascular bundles scattered throughout ground tissue.
Term
tendrils
Definition
sometimes stem but mostly leaf modifications that aid in support.
Term
annuals, biennials, perennials...year, 2 years, multiple years
Definition
year, 2 years, multiple years
Term
vascular cambium
Definition
highly vacuolated fusiform initial and ray initial cells.
Term
secondary xylem and phloem
Definition
created through the periclinal (parallel) divisions of the fusiform and ray initials. outward = phloem, inward = xylem
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