Friday, October 12, 2012

Lab 8: Angiosperms - ANITA grade and Magnoliid clade - Basal-branching lineages of Angiosperms

The objective of this lab is to make you familiar with the vegetative and reproductive features of families of the ANITA grade (Nymphaeaceae, Illicaceae) and the Magnolid clade (Magnoliaceae, Annonaceae, Lauraceae, Piperaceae).

Order: Amborellales 
Family Amobrellaceae: image

Order: Nymphaeales
Family: Nymphaeaceae (water lilies)
Key features to remember for this family: rhizomotous herbs and aquatic

Nuphar advena (spatterdock)

Nymphaea (hybrid)

The following two pictures were taken in Kanapaha Botanical Gardens here in Gainesville
Nymphaea (hybrid)
Victoria amazonica
Order: Austrobaileyales

Family: Illiciaceae (star anise)
Key features to remember for this family: fuitstar like aggregate of follicles

Order: Magnoliales

Family: Magnoliaceae
Key features to remember for this family:
Note large flowers with separate parts and an elongate receptacle

Magnolia grandiflora

 Magnolia virginiana

 Fruit of Magnolia amoena

Liriodendron tulipifera (Tulip tree)
Family: Annonaceae (Paw-paw family)
Key features to remember for this family: ball of stamens, two rank leaves, globose receptacle

Rollinia deliciosa

This species occurs in mesic hammoks around Gainesville
 Asimina parviflora (Paw-paw)

Asimina angustifolia

 Annona cherimoya

Annona glabra

Note the two-ranked leaves and the ruminate endosperm
Annona muricata

Note the "ball of stamens"
Cananga odorata 

Family: Lauraceae (Avocado family)
Key features to remember for this family: cup-shaped receptacle, stamens with flaps, drupe or berry

 Laurus nobilis

 Persea borbonia (Red bay)

 Persea humilis (silk bay or scrub bay)

This is a close relative of avocado and its fruit is eaten in southern Mexico
 Persea scheideana

 Persea americana  (avocado)

Cinnamomum camphorum

Cinnamomum aromaticum

Cinnamomum cassia

 Cryptocarya alba

ORDER: Piperales
Family: Piperaceae (pepper family)
Key features: herbaceous or soft wood, swollen jointed nodes, spike, no perianth

 Piper methysticum (kava)

Piper nigrum (source of black pepper)

 Piper auretum

 Peperomia verticilata
 Peperomia prostrata

No comments:

Post a Comment