* An Ovate leaf is described as being broadest __below__ the middle, and roughly 2x as long as it is wide. * "egg-shaped”
7
New cards
Leaf Shape
Obovate
* An Obovate leaf is described as being broadest __above__ the middle, and roughly 2x as long as it is wide. * the reverse of Ovate
8
New cards
Leaf Shape
Lanceolate
* A Lanceolate leaf is at least 3x longer than wide, and broadest __below__ middle.
9
New cards
Leaf Shape
Oblanceolate
* Oblanceolate leaves are at least 3x longer than wide, but broadest __above__ middle. * the reverse of a Lanceolate leaf
10
New cards
Leaf Shape
Cordate
* Leaves that are Cordate-shaped have leaves that are broad to the point and then turn upwards at the base, forming a notch. * "heart-shaped"
11
New cards
Leaf Shape
Obcordate
* Obcordate leaves are the reverse of Cordate leaves. They start at a point and then widen until they form a notch at the apex.
12
New cards
Leaf Shape
Elliptical
* Elliptical leaves have the broadest width in the middle and then taper off at the ends. * "football-shaped"
13
New cards
Leaf Shape
Oblong
* Oblong leaves are 2-3x as long as wide and have parallel sides.
14
New cards
Leaf Shape
Cuneate
* Cuneate leaves have a small width at base, but then a broad width near the top before the apex. * "wedge-shaped"
15
New cards
Leaf Shape
Linear
* Linear leaves are narrow, are *at least* 4x longer than wide, and have the same width throughout.
16
New cards
Leaf Shape
Peltate
* Peltate leaves are rounded with the petiole attached underneath the base of the leaf. * Peltate leaves are shaped like little shields
17
New cards
Leaf Shape
Spatulate
* Spatulate leaves are narrow for almost the entire leaf, but then have an abrupt round structure at the apex. * Spatulate leaves have a similar shape to a spatula.
18
New cards
Leaf Shape
Reniform
* Reniform leaves are broad and wider than they are high. * Reniform leaves are shaped like kidneys.
19
New cards
Leaf Shape
Hastate
* Hastate leaves are very recognizable. They are taper off at three apexes and are arrowhead-shaped.
20
New cards
Leaf margin
Entire
* When it is even and smooths
21
New cards
Leaf margin
Sinuate or wavy
* With slight undulations
22
New cards
Leaf margin
Crenate
* When the teeth are round as in digitalis.
23
New cards
Leaf margin
Dentate
* Toothed margin, teeth directing outwards
24
New cards
Leaf margin
Serrate
* When it is like the teeth of the saw
25
New cards
Leaf margin
Ciliated
* It is fringed with hairs.
26
New cards
Leaf margin
Biserrate
* Lobed serrate margin.
27
New cards
Leaf margin
Bicrenate
* Lobed crenate margin.
28
New cards
Leaf apices
Obtuse
* Rounded tip
29
New cards
Leaf apices
Acute
* When it is pointed to form acute angle, but not stiff
30
New cards
Leaf apices
Acuminate
* Pointed tip with much elongation
31
New cards
Leaf apices
Recurved
* When the apex is curved backward.
32
New cards
Leaf apices
Cuspidate
* With spiny tip
33
New cards
Leaf apices
Mucronate
* Rounded apex ending abruptly in a short point
34
New cards
Leaf apices
Retuse
* Broad tip with slight notch
35
New cards
Leaf apices
Emarginate
* When tip is deeply notched
36
New cards
Leaf apices
Tendrillar
* Tip forming a tendril
37
New cards
Leaf bases
Symmetrical
38
New cards
Leaf bases
Asymmetrical
39
New cards
Leaf bases
Decurrent
40
New cards
Leaf bases
Cordate
41
New cards
1. Inflorescence 2. Name of Flower 3. Scientific Name of Flower
1. Head 2. Common Sunflower 3. Helianthus annuus
42
New cards
1. Inflorescence 2. Name of Flower 3. Scientific Name of Flower
1. Umbel 2. Water pennywort 3. Hydrocotyle ranunculoides
43
New cards
1. Inflorescence 2. Name of Flower 3. Scientific Name of Flower
1. guard cells 2. stoma 3. epidermis 4. palisade mesophyll 5. spongy mesophyll 6. moist air space 7. vein
64
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. Maple 2. Acer 3. Bud Scale (protect buds)
65
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. barrel cactus 2. Ferrocactus 3. Spine (modified for protection)
66
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. poinsettia 2. Euphorbia pulcherrima 3. Bract
67
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. sweet pea 2. Lathyrus odoratus 3. Tendril (modified leaves that aid in climbing)
68
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. onion 2. Allium cepa 3. Bulb (leaves are fleshy for storage of food materials and water.
69
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. Stone plants 2. Lithops karasmontana 3. they have thick, succulent leaves modified for water storage as well as photosynthesis)
70
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. flowerpot plant 2. Dischidia rafflesiana 3. Epiphytes (leaves are modified to hold water and organic material)
71
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. pitcher plant 2. Sarracenia purpurea 3. Carnivorous Plants (leaves modified to form a pitcher)
72
New cards
1. Name of Plant 2. Scientific Name 3. Leaf Modification
1. Venus flytrap 2. Dionaea muscipula 3. Carnivorous Plants (Hairs on the leaf surface detect the touch of an insect, and the leaf responds by folding)