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FLOWERS AND INFLORESCENCES

FLOWERS AND INFLORESCENCES. TYPES OF INFLORESCENCE. A. RACEMOSE (INDEFINITE). Raceme. Spadix. Spike. Catkin. Compound umbel. Umbel. Corymb. RACEME. SPIKE. SPADIX. CATKIN. CORYMB. UMBEL. COMPOUND UMBEL. PANICLE. Disc floret. Disc floret. Ray floret. Involucre. Ray floret.

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FLOWERS AND INFLORESCENCES

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  1. FLOWERS AND INFLORESCENCES

  2. TYPES OF INFLORESCENCE A. RACEMOSE (INDEFINITE) Raceme Spadix Spike Catkin Compound umbel Umbel Corymb

  3. RACEME

  4. SPIKE

  5. SPADIX CATKIN

  6. CORYMB

  7. UMBEL

  8. COMPOUND UMBEL

  9. PANICLE

  10. Disc floret Disc floret Ray floret Involucre Ray floret CAPITULUM

  11. 3 3 3 4 3 3 3 3 3 2 2 5 2 B. CYMOSE (DEFINITE) 3 1 3 Biparous cyme / Dichasial 6 1 5 4 3 2 1 Scorpioid cyme Helicoid cyme Uniparous / Monochasial

  12. Helicoid cyme Scorpioid cyme

  13. SPECIAL TYPES OF INFLORESCENCE Ostiole Male flowers Male flower Involucre Female flower Female flowers Nectary Cyathium Hypanthodium

  14. CROSS SECTION OF A COMPLETE FLOWER Stigma Pistil (Gynoecium) Style Ovary Pollen Anther Stamen (Androecium) Filament Petal (Corolla) Receptacle/thalamus/torus Sepal (Calyx) Pedicel

  15. TERMINOLOGIES • Complete flower (bunga lengkap) • Incomplete flower (bunga tidak lengkap) • Actinomorphic (aktinomorfik) • Zygomorphic (zigomorfik) • Hermaphrodite/Bisexual (hermafrodit/dua jantina) 6. Unisexual (sejantina) - staminate - pistillate/carpellate 7. Perfect & Imperfect flower ??

  16. 8. Monoecious (monoesius) 9. Dioecious (dioesius) 10. Polygamous (poligamus) 11. Polysepalous (polisepalus) 12. Polypetalous (polipetalus) 13. Gamosepalous (gamosepalus) • Gamopetalous (gamopetalus) • Apetalous (apetalus) • Perianth (tepal) • Staminode (staminod) 18. Carpel (karpel)

  17. Apetalous Polypetalous Gamopetalous Perianth Sterile ovary Staminate flower (Oil Palm) Actinomorphic Zygomorphic

  18. SYMPETALOUS / GAMOPETALOUS Urceolate (Pitcher-Shaped) Rotate (Wheel-Shaped) Campanulate (Bell-Shaped) Salver-Form Funnel-Form

  19. Tubular Ligulate / Ray Personate Foxglove-Form Bilabiate (2-Lipped)

  20. AESTIVATION Valvate Imbricate Convolute (Twisted) Vexillary Quincuncial

  21. Dioecious/ Monoecious/ Polygamous female male hermaphrodite hermaphrodite Monoecious plant Normal plant female male female male Female plant Male plant Dioecious plant

  22. MONOECIOUS SPECIES

  23. Salacca edulis (Salak) Male plant Female plant

  24. male hermaphrodite male hermaphrodite female Poligamo-monoecious hermaphrodite female Poligamo-dioecious

  25. Poligamo-monoecious

  26. UNION OF THE FILAMENTS Diadelphous (Leguminosae) Polyadelphous (Rutaceae) Monadelphous (Malvaceae)

  27. UNION OF THE ANTHERS anther filament SYNGENECIOUS (Compositae)

  28. ATTACHMENT OF ANTHER TO THE FILAMENT Versatile Dorsifixed Basifixed Adnate

  29. Basifixed Versatile

  30. UNEQUAL LENGTH OF STAMENS Didynamous (Labiatae) Tetradynamous (Cruciferae)

  31. DIDYNAMOUS TETRADYNAMOUS

  32. ADNATION OF STAMENS TO OTHER FLOWER PARTS 1. Epipetalous (Rubiaceae)

  33. 2. Gynandrous (Orchidaceae)

  34. GYNOECIUM / PISTIL (Stigma, Style, Ovary) 1 carpel Apocarpous Syncarpous Monocarpellate Compound pistil Simple pistil

  35. PLACENTATION Axile Central / Free central Marginal Basal Apical Free-basal Parietal

  36. INSERTION OF FLORAL PARTS AND RELATIVE POSITION OF OVARY Epigynous flower, inferior ovary Hypogynous flower, superior ovary Perigynous flower, half- inferior ovary Perigynous flower, inferior ovary Perigynous flower, superior ovary

  37. Epigynous Hypogynous Perigynous

  38. SPIKELET (GRAMINAE/POACEAE)

  39. SPIKELET (GRAMINAE)

  40. SPIKELET (GRAMINAE)

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