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BOT 155 FIELD BOTANY. Trees. Vines. Enlightenment !!. Herbs (Wild Flowers). Shrubs. Herb or Wildflower. A plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests . Vine.
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BOT 155 FIELD BOTANY Trees Vines Enlightenment !! Herbs(Wild Flowers) Shrubs
Herb orWildflower A plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests Vine A plant with a weak stem that derives support from climbing, twining, or creeping along a surface Shrub A woody plant smaller than a tree, and usually with several stems from the same base Tree A tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
Organs • Stems • Leaves & Reproductive Structures • Roots
Trees and Shrubs Roots Trunk (Main Stem) Crown (Lateral Branches + Leaves + Reproductive Units)
Leaves • All leaves originate as primordia at the apex of a stem
Variation in Leaves • Number of leaflets • Venation • Pattern of attachment on stem
Leaves • At maturity, most leaves have a stalk (petiole) and a flattened blade (lamina) with a network of veins (vascular bundles).
Leaves • Simple (single blade) • Compound (divided into leaflets). • Palmately compound leaflets attached at the same point at end of petiole • Pinnately compound leaflets in pairs along the rachis • Bipinnately compound leaflets subdivided further
Notice location of axillary bud Simple Compound
Bristle tipped Broadly Pointed Narrowly Pointed Rounded Broadly Pointed Square
Rounded Narrowly Pointed
Undulate (Wavy) Coursely Serrate Entire Finely Serrate Coursely Serrate Finely Serrate Doubly Toothed
Pinnately Lobed Pinnately Lobed Pinnately Lobed Palmately Lobed
Finely Serrate Entire
Broadly Wedge-shaped Narrowly Wedge-shaped Broadly Wedge-shaped Heart-shaped Oblique Square Rounded
Oblong Lance-shaped Linear Obovate Ovate Elliptical Oval Heart-shaped Deltoid (Triangular)
Linear Linear
Scale-like Awl-like