Plant Diversity Lab 7

Fabids & Malvids

Rosids consists of what two groups?

Brassicales, Crossosomatales, Geraniales, Huerteales, Malvales, Myrtales, Picramniales, Sapindales

What 8 groups make up Malvids?

Geraniaceae

What families are in Geraniales?

Schizocarp

A dry fruit that splits apart at the carpels is called what?

5-merous

What is the merousity of Geraniaceae?

Connate

What is it called when styles are fused?

What is the floral formula for Geraniaceae?

9

How many families are in Myrtales?

Vestured pits

Internal phloem

Hypanthium

Stamens incurved in bud

A single style

Pollen grains with well-developed poreless furrows (pseudocolpi)

What 6 synapomorphies are found within the order Myrtales?

Onagraceae and Lythraceae

What families of Myrtales will we focus on?

Evening primrose family

What is the common name for Onagraceae?

What is the floral formula for Onagraceae?

4 separate petals and 4 separate sepals

How are the petals and sepals usually arranged in Onagraceae?

loosestrife family

What is the common name for Lythraceae?

What is the floral formula for Lythraceae?

Petals wrinkled at maturity and crumpled within bud

What are the petals in Lythraceae like?

Well-developed

How would you describe the hypanthium of Lythraceae?

Often flakey

What is the bark like in Lythraceae?

19

How many families are in the order Brassicales?

Glucosinolates

What is the synapomorphy of Brassicales?

Glucosinolates

A sulfuric plant chemical that releases hot, pungent mustard oils like horseradish, wasabi, and arugula.

Brassicaceae

What family within Order Brassicales will we discuss?

mustard family

What is the common name for Brassicaceae?

What is the floral formula for Brassicaceae?

4000

How many species within Brassicaceae?

4 petals, 4 sepals, 6 stamens (4 tall, 2 short)

What are the flowers of Brassicaceae like?

Cruciferae

What is the other name for Brassicaceae, given by the cross like petals?

Silique (long) or Silicle (short)

What are the fruits of Brassicaceae called?

10

How many families within Malvales?

Malvaceae

What familes will we discuss in Malvales?

Palmate leaf venation, palmately lobed leaves, and stellate hairs.

How would you describe almost all Malvales leaves?

What is the floral formula for Malvaceae?

mallow family

What is the common name for Malvaceae?

Androgynophores that surround the gynoecium

How would you describe the anther types of Malvaceae?

4200

How many species are in Malvaceae?

Pinnately compound

How would you describe the phyllotaxy of almost all Sapindales?

Nectar disk-donut on top of receptacle

What is the synapomorphy of Sapindales?

Anacardiaceae, Rutaceae, Sapindaceae

What families of Sapindales will we be discussing?

9

How many families are in Sapindales?

soapberry family

What is the common name for Sapindaceae?

What is the floral formula for Sapindaceae?

Saponin

What is the bitter compound found in Sapindaceae that can be used for soap?

Acer

What is a popular genus within Sapindaceae?

sumac/poison ivy family

What is the common name for Anacardiaceae?

What is the floral formula for Anacardiaceae?

Citrus family

What is the common name for Rutaceae?

What is the floral formula for Rutaceae?

Trees or shrubs

What is the usual form of Rutaceae?

Cavities containing ethereal oils in leaves and fruits

Why does Rutaceae have the citrus smell/taste?