Classify the following plants in to Long day plants (LDP) short day plants (SDP) and day neutral polants (DNP) xanthium henbane (hyoscyamus niger) spinach , rich strawberry,bryophyllum sunflower tomato maize.

Explanation

To classify the given plants into Long Day Plants (LDP), Short Day Plants (SDP), and Day Neutral Plants (DNP), we will follow these steps:

### Step 1: Understand the Definitions
- **Long Day Plants (LDP)**: These plants require longer daylight hours (exceeding a certain critical duration) to flower.
- **Short Day Plants (SDP)**: These plants flower when the daylight hours are shorter than a specific critical duration.
- **Day Neutral Plants (DNP)**: These plants do not depend on the length of daylight for flowering; they can flower regardless of light duration.

### Step 2: Identify the Plants
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