Morphological Adaptations for Pollination?
The campanulate corolla of the sunflower facilitates easy access for pollinators like bees. However, the tubular corolla of the trumpet vine hampers access. Explain the possible reasons for these different morphological adaptations for pollination in these two flowers.
1 Answer
📌 CONCEPT: Morphological adaptations in flowers are specialized structures that facilitate or hinder pollination by attracting or repelling specific pollinators.
📐 RULE / FORMULA: The shape and structure of a flower's corolla influence the ease of access for pollinators, with campanulate (bell-shaped) corollas like sunflowers facilitating access and tubular corollas like trumpet vine hindering access.
💡 WORKED EXAMPLE: Consider the sunflower and trumpet vine as two worked examples. The sunflower's campanulate corolla allows bees to easily access the nectar and pollen, making it an ideal flower for pollination. In contrast, the trumpet vine's tubular corolla forces pollinators to crawl through the tube, potentially reducing the chances of successful pollination.
⚠️ COMMON MISTAKE: Students might mistakenly assume that all flowers with tubular corollas are pollinator-friendly, when in fact the shape and structure can significantly impact the effectiveness of pollination.
03 Jul 26
🔗 More from Chapter 5 : Morphology of Flowering Plants
Practice this chapter
Get AI-generated board exam questions, track your mastery, and identify weak spots.
Start Free →