Angiosperm diversity/floristics

Question 1

identify parts of a flower

Answer 1

Petal, Sepal,
Reproductive Organs: Stamen, Anther, Filament, Pistil (or Carpels)
The pistil is the female reproductive organ of the flower, typically composed of several parts: Stigma Style, Ovary

Question 2

identify flower pollen

Answer 2

Flower pollen is a microscopic powder-like substance produced by the anthers of the stamen, which is the male reproductive organ of a flower

Question 3

identify the pollinator for a given flower type based on live specimens for: Bee, Butterfly and Humming bird

Answer 3

Bee: flower shape irregular; sepals or petals blue, yellow, or orange, petal adapted to serve as a “landing platform”; may have dark lines on petals; sweet, fragant odor
Butterfly: Strong, sweet odor: flat topped, narrowed head follows flowers with room for wings
Humming bird: Little or no odor; flower pendulous, usually red

Question 4

Achene

Answer 4

Simple dry fruits (formed from one ovary), one see, Ovary and seed coat are fused, (Sunflower, grains)

Question 5

Legume

Answer 5

Fruits with two or many seeds, dry at maturity , Ovary with one cavity, mature ovary opens along both sides, (Peas, Beans)

Question 6

Drupe

Answer 6

Fleshy fruits, ovary with one seed, which is surrounded by a very hard stone (outer covering of the seed is formed from the inner ovary wall), (Stone fruits such as peach, plum, Apricot, Mango)

Question 7

Berry

Answer 7

Ovary with many seeds, does not have a “stone or pit” All of mature ovary tissue is soft and fleshy; surrounding flower tissue does not develope into fruit, (Blueberry, grape, Tomato)

Question 8

Hesperidium

Answer 8

Outer layter remains leathery, fleshy carpels remain distinct in fruit, member of the citrus family, superioir ovary, ( Citrus: Orange, Mandarin, Lemon)

Question 9

Pome

Answer 9

Fleshy fruit develoopes from inferior ovaries inside flower receptacle (base of sepals and petals) therefore, ovary wall seen as “core” around seeds, most of the fruit ios receptacle tissues, (Apple, Pear, Quince)

Question 10

Pepo

Answer 10

Outer skin layer from receptacle, Inferior ovary, ovary layer remains leathery, member of squash family, ( Squash, Pumpkin, Zucchini, Gourds cucumber)

Question 11

Liliaceae

Answer 11

monocot, parts in 3’s, parallel leaves

Question 12

Poaceae

Answer 12

monocot, parallel leaves, wind pollinated tiny flowers without petals- grasses

Question 13

Scrophulariaceae

Answer 13

biabiate flower, round stems, non-aromatic

Question 14

Lamiacea

Answer 14

bilabiate flower, ovary 4-nutlets, square stems, opposite leaves, aromatic

Question 15

Malvacea

Answer 15

5-petals, monodelphous stamens

Question 16

Solanacea

Answer 16

star- shaped corolla (petals) adnate anthers, fruit has 2 cambers

Question 17

Brassicaceae

Answer 17

4 petals at right angles (crucifers) Tetradymous stamens (4+2) = 6 total = 4 tall + 2 short

Question 18

Apiaceae

Answer 18

Inflorescence in Umbels

Question 19

Asteraceae

Answer 19

Composites –disk and ray (ligulate) flowers

Question 20

Fabaceae

Answer 20

Banner (standard), keel, wings, single chamber ovary- legumes