The Placenta The placenta in fruits may be : 1. A small knob-like (as in one-seeded fruits). 2. Cord-like(as in follicles, legumes ....etc.) 3. Membranous ías in poppy capsule 4. Enlarged and sometimes filling the cavity of the fr fruits (as in Datura & Hyoscyamousi or fleshy as ir belladonna & tomato)