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Systematic Botany > Fabaceae > Flashcards

Fabaceae Flashcards

1
Q

Fabaceae

A

legume or pea family

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2
Q

Fabaceae characteristics - general

A

VERY USEFUL
ornamental, forage, nutritional food plants
second only to grasses
NITROGEN FIXING BACTERIA IN ROOTS

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3
Q

Fabaceae characteristics - distribution

A

COSMOPOLITAN

from tropics to driest deserts to alpine meadows / marshes

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4
Q

Fabaceae characteristics - leaves

A 
alternate
stipulate
compound
entire leaflets
pulvinus
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5
Q

Fabaceae characteristics - flowers

A

bisexual (perfect)

  • short hypanthium
  • 5 petals, 5 sepals … one often differentiated, 2 often fused
  • usually 10 stamens, ONE CARPEL
  • superior ovary
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6
Q

Fabaceae characteristics - fruit

A

LEGUMES (pods) .. unicapellate, dehiscent fruit
split down both suture and midrib at maturity
LOMENTS constrictions beween seeds, break into segments… LEGUMES are diagnostic for this family

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7
Q

Fabaceae characteristics - ovules

A

one to numerous

borne in 2 rows along upper placenta, parietal placentation

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8
Q

Fabaceae characteristics - seeds

A

one to several in each fruit
plants with edible fruit:
- peas, beans, lentils, peanuts

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9
Q

Fabaceae subfamilies

A
  • Caesalpinioideae
  • Mimosoideae
  • Faboideae (Papilionoideae)
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10
Q

Caesalpinioideae habit

A

mostly trees and shrubs
ROOT NODULES OCCASIONAL
malpighian hairs sometimes present

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11
Q

Caesalpinioideae leaves

A

mostly pinnate to bipinnate

STIPULES MOSTLY NOT SPINY

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12
Q

Caesalpinioideae inflorescence

A

lax flowers, opening sequentially

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13
Q

Caesalpinioideae corolla

A

bilateral

banner inside wings

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14
Q

Caesalpinioideae stamens

A

not showy

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15
Q

Mimosoideae habit

A

mostly trees and shrubs

root nodules common

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16
Q

Mimosoideae leaves

A

mostly bipinnate

HARD SPINY STIPULES

17
Q

Mimosoideae inflorescence

A

dense flowers opening simultaneously

18
Q

Mimosoideae corolla

A

radial, not showy, valvate

19
Q

Mimosoideae stamens

A

showy

20
Q

Faboideae habit

A

mostly herbs and shrubs
ABUNDANT ROOT NODULES
malpighian hairs common

21
Q

Faboideae leaves

A

Faboideae pinnate to trifoliate (unifoliate)

STIPULES SELDOM SPINY

22
Q

Faboideae inflorescence

A

lax flowers, opening sequentially

23
Q

Faboideae corolla

A

bilateral

banner OUTSIDE wings and fused keel

24
Q

Faboideae stamens

A

not showy

25
Q

Mimosoideae - flowers

A

COROLLA RADIAL
PETALS REDUCED, not showy
STAMENS SHOWY, bright colors

26
Q

Caesalpinioideae flowers

A

corolla MOSTLY BILATERAL
upper petal or BANNER SMALL … on INSIDE OF LATERAL PETALS
usually showy
STAMENS NOT SHOWY

27
Q

Faboideae flowers

A

corolla MOSTLY BILATERAL
petal or BANNER LARGER / ON OUTSIDE OF LATERAL PETALS
2 basal petals CONNATE INTO A KEEL
STAMENS not showy

28
Q

Caesalpinioideae stamens

A

hidden by perianth, commonly mono or diadelphous (9+1), the adaxial filament district

Systematic Botany (9 decks)

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