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Bay laurel, Cinnamon, Avocado, and Sassafras
Bay laurel, Cinnamon, Avocado, and Sassafras
Ecology & Form
Ecology & Form
Woodiness
Aromatic parts
Single strand of conducting tissues continuing from the stem into the leaf
Geologic Range
Geologic Range
Classification
Classification
├Atherospermataceae
├Calycanthaceae
├Gomortegaceae
├Hernandiaceae
├Lauraceae
├Monimiaceae
└Siparunaceae
Diversity
Diversity
7 families; ~3,300 species
Diversity thought thought to be the result of habitat and geology (more than pollinators or dispersers)
Calycanthaceae
Calycanthaceae
Jerseyanthus †
Crepet et al., 2005
A flower from the Cretaceous
Cupulate receptacles with recurved tepals
Carpels are free and have one seed
Fleshy stamens in pairs
Pollen disulculate
Above: Permineralized flower of Jerseyanthus †
Lauraceae
Lauraceae
Extensive fossil record from the Cenozoic; some from the Late Cretaceous
Crassidenticulum †
Oblong leaf from Cenomanian
Ulminium †
Scott and Wheeler, 1982
Fossilized wood with variable vessel-ray pitting, heterocellular rays, oil cells, vasicentric paratracheal parenychma, and small to medium pores
Above: Compression fossil of Crassidenticulum †
Above: Ulminium † wood (tangential view)
Above: Ulminium † wood (radial view)
Mauldinia †
Drinnan et al., 1990
Small, bisexual flowers from Cenomanian
Right: Permineralized flower of Mauldinia †
Above/Left: Compression fossil of leaves of Sassafras
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