Ocimun, guava and Calotropis have opposite phyllotaxy, while china rose, sunflower, grass, mustard shows alternate phyllotaxy and Alstonia, hydrilla, Nerium (Oleander) shows whorled phyllotaxy. Related Theory The three types of phyllotaxy are as follows: l. Alternate type of phyllotaxy: A single leaf arises at each node in an alternate manner. 2. Opposite type of phyllotaxy: A pair of leaves arise at each node and lie opposite to each other. 3. Whorled type of phyllotaxy: More than two leaves arise at a node and form a whorl. 
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
NEET UG 2013 — Botany Morphology of Flowering Plants
2013mcqeasy
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
Official previous-year question
Held on 30 Apr 2013 · Verified 9 Jul 2026.
Options
- A
Three
- B
Four
- C
Five
- D
Two
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