Question

peculiarity of ovulate strobilus of cycas.​

Answer 1

Answer:

1. These are not found in cones.
2. These are species specific.
3. It prduces many sessile and largest ovules in plant kingdom.
4. Produced in axil of filiage leaf

Answer 2

In Cycas, the true female cone or ovulate strobilus is absent instead megasporophylls are present which are loosely attached to the stem and they appear like a rosette.

Explanation:

• Cycas is a dioecious gymnosperm. It exhibits distinct male and female cones that are borne on separate sporophytes.  
• In Cycas the true as well as compact female cone or ovulate strobilus is absent.
• Instead of the male cone, there are megasporophylls. Each megasporophyll is a modified foliage leaf.
• Each megasporophyll bears a proximal petiole, an ovule in the middle and an upper pinnately dissected region.  
• The middle region bears 2-12 sessile and rounded ovules.  
• The ovules in Cycas are orthotropous, sessile, unitegmic and have short stalk.
• The Cycas ovule is the largest in the entire plant kingdom.

Learn more about Cycas:

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