Lemma is

A

Superior palea

B

Inner palea

C

Both A and B

D

Inferior or outer palea.

Text Solution

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The correct Answer is:
To answer the question "Lemma is," we will follow these steps: ### Step 1: Understand the term "Lemma" The lemma is a botanical term that refers to a specific structure found in certain types of inflorescences, particularly in the family Poaceae (grasses). **Hint:** Think about the context in which the lemma is found and its role in the structure of flowers. ### Step 2: Identify the inflorescence type The lemma is associated with a special type of spike inflorescence known as the "spiculate inflorescence." This type of inflorescence features a short axis called the "Rhaechyla," where flowers are borne. **Hint:** Consider what types of flowers are typically found in the Poaceae family and how they are arranged. ### Step 3: Describe the arrangement of florets In the spiculate inflorescence, the florets (the individual flowers) can be arranged alternately or oppositely on the central axis. The arrangement is crucial for understanding the structure of the inflorescence. **Hint:** Visualize how the flowers are positioned on the axis to help clarify the structure. ### Step 4: Identify the bracts associated with the lemma The lemma is one of two bracts found in this inflorescence. The other bract is called the "palea." The lemma is specifically referred to as the external or inferior palea. **Hint:** Remember that bracts are modified leaves that can serve various functions in flowering plants. ### Step 5: Select the correct option From the options provided, the lemma is identified as the inferior or outer palea. Therefore, the correct answer is that the lemma is the "inferior or outer palea." **Hint:** Review the definitions of the terms "inferior" and "superior" in the context of plant structures to confirm your understanding. ### Final Answer The lemma is the inferior or outer palea.
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