Identify the plants with the following characters in a sequence:
A) Annual plants found in dry weather
B) Submerged in water without rooted in mud
C) No contact with soil, present on surface of water
D) Perennial plants to withstand prolonged drought conditions
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Learn adaptive examples: {Tribulus} for arid, {Utricularia} submerged, {Salvinia} floating, {Casuarina} for drought.
A) Tribulus: Xerophytic annual adapted to dry weather. B) Utricularia: Submerged aquatic plant, not rooted in mud. C) Salvinia: Free-floating plant with no soil contact. D) Casuarina: Woody perennial tolerant to drought.