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Materia Medica > Lesson 2: Description, Botany & Harvest > Flashcards

Lesson 2: Description, Botany & Harvest Flashcards

1
Q

Why is it useful to know a plant’s native region?

A

how and where it likes to grow
sustainable harvesting concerns
cultivation
history and traditional uses within the region

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2
Q

Why is it useful to know the geographic distribution of a plant?

A

offers an understanding of the environmental requirements for the plant to thrive, ie- sunlight, soil pH, climate zone and hardiness

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3
Q

What is apex of leaf?

A

the tip farthest from the stem of plant.

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4
Q

what is a petiol?

A

the “branch” at the base of the leaf that connects the leaf to the stem of the plant.

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5
Q

what is a cordate leaf?

A

a heart shaped leaf with a sharp tip at the apex, and the prtiol coming out between the rounded arches at the base of the lef- like a “spade”.

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6
Q

what is an elliptical leaf?

A

a shape that is longer than it is wide, tapering relatively eavenly at the apex and base.

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7
Q

what is a lanceolate leaf?

A

a shape that is longer than it is wide, with a smaller taper at the apex than at the base

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8
Q

what is a linear leaf?

A

a narrow leaf that is the same width at the base and apex.

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9
Q

what is an ovate leaf?

A

a rounded leaf that is wider at the base

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10
Q

what is an acuminate?

A

an apex that tapers to a long, thin point

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11
Q

what is a saggitate?

A

a base that looks like the base of an arrow head

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12
Q

what is truncate?

A

a square base

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13
Q

what is a simple leaf?

A

a leaf that presents as a single blade

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14
Q

what is a compound leaf?

A

smaller leaflets connect to the midrib with stems of their own (like a fern).

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15
Q

what are margins?

A

the edge of the leaf

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16
Q

what is an entire margin?

A

a completely smooth leaf edge all the way around.

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17
Q

what is a cleft margin?

A

rounded shap with margin almost halfway to the midrib: oak leaf

18
Q

What is a crenate margin?

A

small rounded teeth around the edges of the leaf

19
Q

what is a dentate margin?

A

sharp teeth that point outwardss around the edge of the leaf

20
Q

what is an incised margin?

A

irregular teeth with deep notches that cut toward the midrib.

21
Q

What is lobed margin?

A

rounded shape with notches that cut less than halfway to the midrib.

22
Q

what is a serrated margin?

A

teeth that point toward the apex around the edges of the leaf

23
Q

what is sinuate margin?

A

wavy edge, larger than crenate, not as pronounced as lobed or cleft.

24
Q

what is a node?

A

the area that the petiole attaches to the stem.

25
Q

What are alternate nodes?

A

a single leaf coming out of a node, with one leaf on the left, and nothing across from it, and then another leaf on the right, either a little above or below the left hand leaf.

26
Q

What are opposite nodes?

A

two leaves at each node, one on either side of the stem, directly across from one another

27
Q

What are rosettes?

A

a cluster of leaves qat the base of the plant that form a rosette pattern, often presenting with small petioles and nodes.

28
Q

What are whorled leaf patterns?

A

leaves form a circle around the stem at regular intervals.

29
Q

What is a complete flower?

A

flower presents with stamen, petals, pistils and sepals

30
Q

What is an incomplete flower?

A

flower is lacking any of the following: pistils, sepals, petals or stamens

31
Q

what is a perfect flower?

A

has functioning stamens and pistils

32
Q

what is an imperfect flower?

A

lacking either a stamen or pistil

33
Q

what is a pistillate flower?

A

a female flower with pistils, but lacking stamens

34
Q

what is a staminate flower?

A

a male flower with stamens but lacking pistils

35
Q

what is a solitary flower?

A

one flower per stem.

36
Q

what is inflorescense?

A

a cluster of flowers.

37
Q

what is indeterminate inflorescense?

A

a cluster of flowers with the youngest flowers located at the top, or along the inside of the inflorescence.

38
Q

what is determinate inflorescence?

A

a cluster of flowers with the youngest flowers located at the bottom or along the outside of the inflorescence.

39
Q

what is the life span of an annual plant?

A

one year

40
Q

What is the life span of a biennial plant?

A

two years

41
Q

what is the life span of a perennial plant?

A

more than two years

Materia Medica (2 decks)

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