Additional Vocabulary

Question 1

Biternate

Answer 1

With 2 orders of leaflets, doubly ternate with the ternate divisions again ternately divided

Question 2

Exserted

Answer 2

Projected beyond, e.g. stamens beyond the corolla tube

Question 3

Hirsute

Answer 3

Bearing coarse, rough, longish hairs

Question 4

Nodding

Answer 4

Inclined, stooping, or bowing forward; stooping habit

Question 5

Villous

Answer 5

Abounding in or covered with long, soft, straight hairs; shaggy with soft hairs

Question 6

Canaliculate

Answer 6

Channelled; having a longitudinal groove

Question 7

Campanulate

Answer 7

Bell-shaped

Question 8

Scape

Answer 8

Having the floral axis more or less erect with few or no leaves

Question 9

Arcuate

Answer 9

Curved or arched, shaped like a bow

Question 10

Beard

Answer 10

Tufts of long hairs, a line or zone of trichomes

Question 11

Ensiform

Answer 11

Sword-shaped

Question 12

Falls

Answer 12

The drooping sepals of an iris flower

Question 13

Standard

Answer 13

The upward curving petals of an iris flower

Question 14

Crest

Answer 14

An elevated ridge or rib on a surface

Question 15

Sheathing leaf

Answer 15

A leaf in which the petiole and/or base surrounds the stem for an extended length like a tube

Question 16

Frond

Answer 16

A large, divided leaf of a fern or palm

Question 17

Dimorphic

Answer 17

Two forms (different sizes and/or shapes) within the same species

Question 18

Sterile frond

Answer 18

A leaf of a fern that does not bear spores

Question 19

Fertile frond

Answer 19

A reproductive leaf of a fern that bears spores

Question 20

Spore

Answer 20

A reproductive cell in ferns resulting from meiotic cell division in a sporangium

Question 21

Sporangia

Answer 21

A spore-bearing case or sac

Question 22

Circinate

Answer 22

Coiled from the tip downward

Question 23

Fiddlehead

Answer 23

The furled fronds of a young fern

Question 24

Tomentose

Answer 24

With a covering of short, matted, or tangled, soft, wooly hairs

Question 25

Pilose

Answer 25

Bearing long, soft straight hairs

Question 26

Spatulate

Answer 26

Simple leaf with a broad rounded apex and narrow base

Question 27

Ternate

Answer 27

In groups of three - whorls of three leaves or compound leaf with three leaflets

Question 28

Acaulescent

Answer 28

Without a stem, or the stem so short that the leaves are apparently all basal

Question 29

Achene

Answer 29

A small, dry, indehiscent (non-splitting) fruit with a single seed and with the seed attached to the ovary wall at a single point

Question 30

Adventitious root

Answer 30

A root that develops in an unusual position, such as on a stem

Question 31

Basal rosette

Answer 31

A dense, radiating cluster of leaves (or other organs) at or near ground level

Question 32

Decumbent

Answer 32

Reclining on the ground but with the tip ascending

Question 33

Eyespot

Answer 33

Color change at the throat of a flower

Question 34

Funnelform

Answer 34

Gradually widening from base to apex; funnel-shaped

Question 35

Infructescence

Answer 35

The inflorescence at the fruiting stage; the fruit-bearing stalk

Question 36

Nutation

Answer 36

Twining

Question 37

Oblique

Answer 37

With unequal sides, especially a leaf base; also known as asymmetrical

Question 38

Peltate

Answer 38

Shield-shaped; when a flat structure (such as a leaf blade) is borne on a stalk (such as the petiole) attached to the lower surface rather than to the base or margin

Question 39

Prostrate

Answer 39

Lying flat on the ground

Question 40

Revolute

Answer 40

With the margins rolled backward toward the underside

Question 41

Rhizome

Answer 41

A horizontal underground stem

Question 42

Scabrous

Answer 42

Rough to the touch due to the structure of the epidermal cells or to the presence of short, stiff hairs

Question 43

Tendril

Answer 43

A slender, twining organ (such as a modified leaf or stem) used to grasp support for climbing

Question 44

Ternate

Answer 44

In threes, as a compound leaf which is divided into three leaflets

Question 45

Trifoliate

Answer 45

With three leaves or three leaflets

Question 46

Tubular

Answer 46

With the form of a tube or cylinder

Question 47

Two-lipped

Answer 47

Having two main projections or segments of an irregularly shaped corolla or calyx; bilabiate