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Published bySalvador Isaacks Modified over 9 years ago
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Eudicots Tricolpates
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Angiosperm phylogeny
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Ceratophyllum Hornwort family, all aquatic Small flowers Absent perianth Few number of flower parts Unisexual flowers
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Eudicots Tricolpate pollen Cyclic flowers - parts in whorls, members of individual whorls alternating Staminal filaments usually slender Starch grains in plastids
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Eudicots
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Ranunculales Berberidaceae Circaeasteraceae Eupteleaceae Lardizabalaceae Menispermaceae Papaveraceae Ranunculaceae
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Ranunculales
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Key features: contain alkaloid berberine, superior ovary without a hypanthium, herbaceous, toothed to lobed leaves, flower parts distinct and free, many stamens, seeds with tiny embryos and copious endosperm
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Papaveraceae Sister to the other groups: Differs: –Fused carpels –Capsular fruits –Quickly deciduous sepals –Sap (either colored or clear)
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Papaveraceae Poppy family 770 species in 40 genera Herbs to soft wooded stems Papaver somniferum (opium poppy) used for morphine, heroin, and codeine –Ornamentals: many poppies, bleeding heart
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Papaveraceae Synapomorphies: Leaves often lobed, often colored sap, 2 sepals - quickly fall off, often 4 petals, 2 fused carpels with parietal placentation, fruit a capsule, seeds with arils
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Papaveraceae Herbs to small shrubs with sap Leaves alternate and spiral often lobed Flowers bisexual, radial to bilateral –Sepals usually 2 or 3, falling quickly –Petals usually 4 or 6, sometimes numerous, often crumpled in bud –Stamens numerous –2 to numerous carpels, fused Fruit a capsule with arillate seeds
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Papaveraceae
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Argemone Corydalis (400) Papaver Sanguinaria Dicentra
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Menispermaceae Moonseed family Twining vines or lianas 450 species in 71 genera Medicinal and poisons (curare - arrow poison), and ornamentals
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Menispermaceae Synapomorphies: Twining vines or lianas, Flowers unisexual (usually dioecious), 2 ovules with 1 aborting, Fruit an aggregate of drupes 3 merous flowers
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Berberidaceae Barberry family 650 species Widespread herbs and shrubs Ornamentals, including lawn shrubs
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Berberidaceae Synapomorphies: 1 carpel Herbs or shrubs with variable leaves Flowers bisexual, radial, with 3-merous parianth –4-6 sepals, distinct –4-6 outer petals, 6 inner petals/staminodes –Usually 6 stamens, anthers open from the base by 2 flaps Fruit a berry
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Berberidaceae Caulophyllum Jeffersonia Berberis (600)
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Ranunculaceae Buttercup family 2000 species of herbs shrubs or vines Widespread especially in the northern hemisphere Many ornamentals
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Ranunculaceae Synapomorphies: Herbs, shrubs or occasionally vines Leaves various (often lobed) Flowers usually bisexual, flower parts usually not 3-merous
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Ranunculaceae Flower parts not 3-merous –4 to numerous tepals or differentiated into calyx (5) and corolla (5) –Stamens numerous, distinct –Carpels usually 5 to numerous, distinct Fruit follicles, achenes or berries
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Ranunculaceae Hydrastis - Flowers 3-merous Fleshy follicles
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Ranunculaceae Thalictroideae - –Paraphyletic grade Plesiomorphies –Berberine compounds –Yellow rhizomes –Small chromosomes Thalictrum Coptis
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Aquilegia Hodges 1997
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Ranunculoideae Synapomorphies: –4-5 merous parianth –Dry fruits –Large chromosomes and longer stomates –Chromosome number of 8 –No berberine
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Ranunculoideae Synapomorphies: –Ranunculin –Fruits are achenes AnemoneRanunculus Clematis
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Ranunculoideae Synapomorphies: –Petal-like tepals Delphinium Caltha
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Eudicots
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Proteales 4-merous flowers with stamens opposite Major groups: Platanaceae, Proteaceae, Nelumbonaceae
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Platanaceae Plane tree or Sycamore tree 9 species all in Platanus Tropical to temperate regions of NA, south- central Europe, western Asia to Indochina Cultivated as ornamentals
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Platanaceae Synapomorphies: Inflorescences of globose heads in unisexual heads (monoecious), apical placentation, Fruits achenes, in dense globose clusters
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Platanaceae Trees with exfoliating bark Leaves palmately lobed and veined, stipules present Flowers unisexual (monoecious) –3-7 sepals –3-7 petals, lacking in carpellate flowers –3-7 stamens, filaments very short –5-9 carpels, distinct, ovaries superior, 2 ovules per carpel with one aborting Fruit dense achenes
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Platanaceae Hybrid between P. occidentalis and P. orientalis
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Proteaceae Protea family Widespread in tropics and subtropics in Australia and Africa 1770 species Many ornamentals and Macadamia nut
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Proteaceae Synapomorphies: 4 tepals with edges abutting, 4 stamens, 1 carpel
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Proteaceae Trees or shrubs Leaves usually alternate and spiral, stipules absent Flowers bisexual, radial or bilateral, conspicuous –4 tepals, often deeply cleft on one side –Stamens 4, usually adnate to tepals –1 carpel on a stalk Fruits follicles, nuts, achenes, drupes, or samaras
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Proteaceae Grevilleoideae (flowers in pairs) Proteoideae (flowers single)
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Proteaceae Protea Banksia Grevillea
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Macadamia Nut
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Nelumbonaceae Water lotus family with enlarged spongy receptacle
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70 sp. 2 sp.
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Gunnerales - Gunneraceae Blue-green algae as symbionts - Nostoc Large herbs with no stem (40-50 species) Plants dioecious
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Core Eudicots Polygonales
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Carnivorous 1 basal ovule Indehiscent fruits Plumbagin Basal placentation Vascularized hairs Polygonaceae Plumbaginaceae Droseraceae Nepenthaceae
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Knotweed family Herbs, shrubs, trees, or vines 1100 species Includes: buckwheat, rhubarb, and sorrel Polygonaceae
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Synapomorphy: Stipules present and connate into a thin sheath around the stem Polygonaceae
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Herbs, shrubs, trees, or vines Leaves usually alternate and entire Flowers usually bisexual, radial –Perianth of 6 tepals, usually petaloid In 5s when 2 tepals are fused –5-9 stamens –2 or 3 carpels, basal placentation, 1 ovule Fruit an achene or nutlet Polygonaceae
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Rumex (200) Fagopyrum Polygonum (150)
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Plumbaginaceae Herbs or shrubs with alternate leaves, no stipules Flowers bisexual, in cymose inflorescences –5 sepals and 5 petals –5 stamens fused to petals –5 fused carpels Plumbago
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Droseraceae Sundew family Insectivorous herbs 110 species, common in wet, low-nutrient, acidic soils Venus’s flytrap and sundews
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Droseraceae Synapomorphies: Leaves rolled in a coil from the top, blade sensitive
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Droseraceae Leaves simple with obscure venation, forming a snap-trap, mucilage-secreting hairs to digest insects Flowers bisexual, radial, white or purple –Usually 5 sepals –Usually 5 distinct petals –Usually 5 stamens, pollen released in tetrads –Usually 3 carpels Fruit a capsule
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Droseraceae Drosera (80 spp) Dionaea Aldrovanda
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Nepenthaceae ~ 82 species in Nepenthes Shrubs climbing with their leaves –Alternate entire and highly modified –Petiole, blade, tendril, and pendent urn-shaped pitcher (with operculum - lid) –Pitcher has fluid of digestive enzymes Old world tropics, 90 species in 1 genus, Nepenthes
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Nepenthaceae Flowers unisexual (dioecious), small and greenish –Staminate flowers with 4 tepals and 4-numerous stamens –Carpellate flowers with 4 tepals and 4 fused carples
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