Subclass: Rosidae Order: Myrtales Family: Onagraceae

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Subclass Rosidae Order Myrtales Family
Onagraceae

• 1. Herbaceous.

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Subclass Rosidae Order Myrtales Family
Onagraceae

• 1. Herbaceous.
• 2. Bisexual, 4-merous, inferior with a hypanthium
  present.

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Subclass Rosidae Order Myrtales Family
Onagraceae

• 1. Herbaceous.
• 2. Bisexual, 4-merous, inferior with a hypanthium
  present.
• 3. One pistil with four carpels 2-6locules 4
  stamen.

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Subclass Rosidae Order Myrtales Family
Onagraceae

• 1. Herbaceous.
• 2. Bisexual, 4-merous, inferior with a hypanthium
  present.
• 3. One pistil with four carpels 2-6 locules 4
  stamen.
• 4. Placentation axile.
• Oenothera evening primroses,
• Gaura Gaura
• Epilobium fireweeds

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Subclass Rosidae Order Geraniales Family
Oxalidaceae

• 1. Leaves palmately compound with sour taste
  alternate.

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Subclass Rosidae Order Geraniales Family
Oxalidaceae

• 1. Leaves palmately compound with sour taste
  alternate.
• 2. Flowers bisexual 5-merous.

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Subclass Rosidae Order Geraniales Family
Oxalidaceae

• 1. Leaves palmately compound with sour taste
  alternate.
• 2. Flowers bisexual 5-merous.
• 3. Stamen (10) united at base - 5 are without
  anthers.

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Subclass Rosidae Order Geraniales Family
Oxalidaceae

• 1. Leaves palmately compound with sour taste
  alternate.
• 2. Flowers bisexual 5-merous.
• 3. Stamen (10) united at base - 5 are without
  anthers.
• 4. Axile placentation ovary superior.

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Subclass Rosidae Order Geraniales Family
Oxalidaceae

• 1. Leaves palmately compound with sour taste
  alternate.
• 2. Flowers bisexual 5-merous.
• 3. Stamen (10) united at base - 5 are without
  anthers.
• 4. Axile placentation ovary superior.
• 5. Fruit a capsule.
• Oxalis wood sorrel

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Subclass Rosidae Order Myrtales Family
Lythraceae Loosestrife

• 1. Leaves mainly opposite or whorled simple.
• 2. Flowers bisexual perigynous with a spurred
  hypanthium.

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Subclass Rosidae Order Myrtales Family
Lythraceae

• 1. Leaves mainly opposite or whorled simple.
• 2. Flowers bisexual perigynous with a spurred
  hypanthium.
• 3. Sepals and petals 4 8 each, distinct
  attached to hypanthium.

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Subclass Rosidae Order Myrtales Family
Lythraceae

• 1. Leaves mainly opposite or whorled simple.
• 2. Flowers bisexual perigynous with a spurred
  hypanthium.
• 3. Sepals and petals 4 8 each, distinct
  attached to hypanthium.
• 3. Stamen (8 - 16) in 2 whorls inside hypanthium.
• 4. Pistil with 2 6 carpels axile placentation.
• Lythrum Loosestrife

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Subclass Rosidae Order Myrtales Family
Lythraceae

• 1. Leaves mainly opposite or whorled simple.
• 2. Flowers bisexual perigynous with a spurred
  hypanthium.
• 3. Sepals and petals 4 8 each, distinct
  attached to hypanthium.
• 3. Stamen (8 - 16) in 2 whorls inside hypanthium.
• 4. Pistil with 2 6 carpels axile placentation.
• 5. Fruit - a capsule.
• Lythrum Loosestrife
• L. alatum
• L. salicaria

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Subclass Rosidae Order Myrtales Family
Lythraceae

• Lythrum Loosestrife
• L. alatum L. salicaria

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