Rubiaceae

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Rubiaceae

  1. 1. the coffee family Aloc. Caguimbal. Macarasig. Tuibeo
  2. 2. Para maalala natin... + Okay. Joke. Let’s start with the report.
  3. 3. Plant Habit and HabitatLeavesInflorescenceFlower Corolla Calyx Gynoecium AndroeciumPlacentationFruitSeeds
  4. 4.  Habitat  Terrestrial, rarely aquatic Habit  Tree, shrub, herb, liana .
  5. 5.  Simple Entire margin Decussate, rarely whorled Usually connate stipules Often bearing mucilage secreting colleters  Colleters – produces mucilagenous compounds to protect young shoot
  6. 6.  Cyme Umbel
  7. 7.  Bisexual Actinomorphic Epigynous
  8. 8.  Synsepalous; 4-5 lobes Or sometimes absent
  9. 9.  Sympetalous; 4-5 [rarely 3 or 8-10] lobes
  10. 10.  Syncarpous Inferior ovary Anatropous to hemitropous Unitegmic With funicular orburator 1-many per carpel Nectaries present as disk atop ovary
  11. 11.  Anthers  Longitudinal in dehiscence Stamens  4-5[rarely 3 or 8-10]  Alternipetalous & epipetalous
  12. 12.  Axile Rarely parietal
  13. 13.  Berry Capsule Drupe Schizocarp
  14. 14.  Endospermous
  15. 15.  Worldwide distribution but more in tropical areas Economic importance:  Cinchona- source of quinine used to treat malaria  Coffea arabica - source of coffee  Pausinystalia johimbe- source of sexual stimulant (yohimbine)  Timber trees  Fruiting plants  Dye plants  Ornamental cultivar
  16. 16.  Trees, shrubs, lianas, or herbs Simple, entire, usually decussate leaves Connate stipules, often with mucilage-secreting colleters Inflorescence usually a cyme Flowers usually bisexual Perianth dichlamydeous, 4-5 merous, calyx absent in some Androecium often 4 5-merous Ovary usually inferior (rarely superior) Often with an apical nectariferous disk, ovules with a funicular obturator, Fruit either a berry, capsule, drupe, or schizocarp. K (4-5) [0] C (4-5) [(3,8-10)] A 4-5 [3,8-10] G (2) [(3-5+)], usually inferior, rarely superior.

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