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Plant ID > Monocots > Flashcards

Monocots Flashcards

1
Q

What character states define Monocots?

A 
Flower parts in 3s
Ovary usually 3 fused carpels
1 cotyledon
Leaf veins usually parallel
Mostly herbs
Scattered vascular bundles
Lack true secondary growth
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2
Q

What structure is the Monocot leaf homologous to?

A

Petiole of other angiosperm leaves

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3
Q

Describe the Potamogetonaceae.

A 
Aquatic
Most leaves submerged
Broad or narrow grass like leaves
Wind or water pollinated
Membranous sheathing stipule in leaf axils
Flower parts in 4s
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4
Q

What is the floral formula of the Potamogetonaceae?

A

So, T4, A4, Gs4, achene

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5
Q

Describe the Liliaceae.

A

Tepals often spotted or streaked

Seeds brown or pale

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6
Q

What is the floral formula of Liliaceae?

A

So, T6, A6, Gs(3), capsule, berry

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7
Q

What genera of Liliaceae are native to the UK?

A

Fritillaria

Gagea

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8
Q

Describe the Asparagaceae.

A

Tepals unspotted

Seeds often black

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9
Q

What is the floral formula of the Asparagaceae?

A

So, {T6, A6}, Gs(3), capsule, berry

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10
Q

What genera of Asparagaceae are native to the UK?

A 
Asparagus
Convallaria
Polygonatum
Maianthemum
Ruscus
Loncomelos
Ornithogalum
Hyacinthoides
Prospero
Scilla
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11
Q

What feature is often seen in the inflorescence of Amaryllidaceae?

A

Spathe and umbel

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12
Q

What is the floral formula of the Amaryllidaceae?

A

So, T6, A6, Gs/i(3), capsule, berry

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13
Q

What genera of Amaryllidaceae are native to the UK?

A

Allium
Leucojum
Narcissus

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14
Q

What is the floral formula of the Orchidaceae?

A

Sz, T3+3, (A1-2, Gi(3)), capsule

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15
Q

What is the common name of the Juncaceae?

A

Rushes

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16
Q

What is the floral formula of the Juncaceae?

A

So, T6, A6, Gs(3), capsule

17
Q

Describe the Stem and Pith morphology of Juncaceae.

A

Pith can be continuous, semi continuous or interrupted
Some species have ridged stems
Luzula has foliage hair

18
Q

What genera of Juncaceae are native to the UK?

A

Juncus

Luzula

19
Q

What is the common name of Cyperaceae?

A

Sedges

20
Q

What is the floral formula of Cyperaceae?

A

So, T0-6, A1-3, Gs(2-3), achene

21
Q

Describe the Carex.

A 
A sedge
has utricle (aka perigynium, only seen in this genus
22
Q

What is the common name of Poaceae?

A

Grass

23
Q

What is the floral formula of Poaceae?

A

So, T2, A2-3, Gs(2-3), caryopsis

24
Q

Describe the Poaceae.

A

2 bracts (lemma and palea) precede floret
Glumes precede spikelet
Panicle (spike) has several spikelets in one type of inflorescence
Tepals are lodicules
Ligule apex erect, free of leaf blade
Stem leaf sheath often overlapping

Plant ID (10 decks)

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