Rosids III

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Rosids III

• Fagales
• Brassicaceae
• Rutaceae
• Anacardiaceae
• Aceraceae

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Fagaceae

• Oaks
• Many tree species throughout N. America
• TREES with SINGLE NUTS ATTACHED TO SPINY OR SCALY
  CAPS
• One species in Colorado, Quercus gambelii

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Fagaceae
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Fagaceae
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Quercus fruits nuts acorns
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Quercus leaf
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Quercus gambelii Gambel Oak
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Brassicaceae (Cruciferae) Mustard family

• FOUR MEROUS (old name cruciferae, like a cross)
• HERBS, rarely shrubs
• Tetradynamous stamens 4 stamen, 2 long, 2 short
• Gynoecium with a superior, 2- carpellate/loculate
  ovary, with axile-parietal placentation and a
  usually 2-valved, dehiscent fruit with a replum
  (silique or silicle).
• 365 genera / 3250 species

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Brassicaceae
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Brassicaceae

• Glucosinolates - major plant secondary products
  in the Brassicaceae and close relatives.
• - deter herbivory and parasitism
• - flavoring agents in the commercially important
  members of the Brassicaceae, such brocolli,
  cauliflower, and mustard.

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Brassicaceae

• Broccoli, brussels sprouts, cauliflower, cabbage,
  collards, kale (all cultivars of Brassica
  oleracea)
• Rutabaga and canola oil (B. napus), mustard (B.
  nigra), turnip (B. rapa)
• Arabidopsis thalliana is noted as a model for
  detailed molecular studies.

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Brassica nigra
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Cakile maritima
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Cardamine californicum
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Raphanus sativus
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Thysanocarpus laciniatus
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Malvaceae

• The Mallow Family
• Monadelphous stamen
• Mucilaginous plants
• Often with stellate trichomes

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Malvaceae Economic importance

• Gossypium spp. (cotton, the worlds most
  important fiber plant) and Ceiba pentandra
  (kapok), in both of which the seed trichomes are
  utilized, and Corchorus spp. (jute), a bast fiber
  plant and source of burlap
• Theobroma cacao (cacao, the source of chocolate),
  Cola nitida (cola), Abelmoschus (okra), and Durio
  zibethinus (durian)
• Ochroma pyramidale (balsa) and Pachira aquatica
• Brachychiton, Chorisia (floss-silk tree),
  Dombeya, Fremontodendron, Hibiscus (mallows), and
  Tilia (linden tree). Many others, such as
  Adansonia digitata (baobab, tropical Africa) are
  of great local economic or ecological importance.

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Gossypium - cotton
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• Hibiscus sp.

Kosteletskia virginica
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• Chorisia speciosa

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Theobroma cacao the source of chocolate
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Anacardiaceae

• Cashew or sumac family
• SHRUBS W/ 3-LOBED OR PINNATE LEAVES
• 1-SEEDED RED OR WHITE BERRIES
• Poison Ivy and Poison Oak are in this family
• Important shrub ecologically, Rhus trilobata

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Toxicodendron rydbergii
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Toxicodendron rydbergii
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Toxicodendron rydbergii
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Rhus trilobata
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Rhus trilobata
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Anacardiaceae MangoMangifera indica
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Anacardium occidentale Cashew   
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Anacardium occidentale Cashew   
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Aceraceae

• Maple Family
• TREES WITH OPPOSITE LEAVES AND WINGED SEENDS IN
  PAIRS
• Acer glabrum and Acer negundo (Box elder)

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Aceraceae
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Aceraceae insect and wind pollinated
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Acer negundo Box elder
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Acer glabrum Mountain Maple
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Acer saccharum

• http//www.youtube.com/watch?vPML-cjYzENUfeature
  related
• Maple syrup is the boiled down xylem (commonly
  called sap) that the tree is sending up from the
  roots to the leaves to get the leaves started in
  the spring
• Its about the only time the xylem is rich in
  sugars