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Plant Identification Vocabulary

Plant Identification Vocabulary. BLADE . Widest part of leaf. PETIOLE. Stalk where blade attaches to stem. LEAF BASE. Shape of leaf where it attaches to petiole. Triangle Round Heart Straight Uneven. NODE or BUD. Point where petiole attaches to stem. BROAD LEAF .

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Plant Identification Vocabulary

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  1. Plant Identification Vocabulary

  2. BLADE • Widest part of leaf

  3. PETIOLE • Stalk where blade attaches to stem

  4. LEAF BASE • Shape of leaf where it attaches to petiole Triangle Round Heart Straight Uneven

  5. NODE or BUD • Point where petiole attaches to stem

  6. BROAD LEAF • Regular, deciduous leaves with a wide blade

  7. NARROW LEAF • Slender leaves, needles or scales

  8. LEAF ARRANGEMENT orLEAF ATTACHMENT • Pattern which leaves are attached to stem • Alternate • Opposite • Whorled

  9. LEAF DIVISION • Simple OR Single leaf • Compound OR multiple leaflets

  10. SIMPLE LEAF Single Leaf

  11. COMPOUND LEAF • Having more than one blade • Made of leaflets

  12. LEAFLETS • Many small leaves

  13. PALMATELY COMPOUND Made of 3 or more leaflets In the shape of a hand

  14. PINNATELY COMPOUND • Leaflets attached to along a central stalk

  15. LOBE • Rounded projection of leaf

  16. LEAF EDGE or LEAF MARGIN • Edge of leaf • Smooth (entire) • Toothed • Serrate / saw toothed • Double serrate / double saw toothed

  17. VENATION • Parallel – veins run parallel to each other • Pinnate – veins run off of a single vein • Palmate – veins come from a single point like the palm of your hand

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