Question:
Which of the following is a new scientific name of Polianthes tuberosa?
Which of the following is a new scientific name of Polianthes tuberosa?
Show Hint
New nomenclature is a favorite topic in recent exams. Another one to remember is that Sansevieria (Snake Plant) is now officially part of the genus Dracaena.
Updated On: Aug 13, 2026
- Agave americana
- Agave amica
- Agave parviflora
- Agave angustifolia
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Taxonomic revisions are common as DNA sequencing and phylogenetic studies clarify relationships between plant groups. Many classic names are being replaced to reflect their true evolutionary lineage.
Step 2: Detailed Explanation:
Polianthes tuberosa (Tuberose): This is a popular fragrant bulbous plant. For a long time, it was treated as a separate genus, Polianthes.
New Classification: Recent phylogenetic studies have shown that Polianthes is nested within the genus Agave. Therefore, the genus Polianthes has been merged into Agave.
Since the name Agave tuberosa was already occupied by another plant, a new name had to be chosen for the commercial Tuberose. The internationally accepted new name is Agave amica.
Agave americana is the large Century Plant, while Agave parviflora and Agave angustifolia are distinct species within the same genus.
Step 3: Final Answer:
The new scientific name for Polianthes tuberosa is Agave amica.
Taxonomic revisions are common as DNA sequencing and phylogenetic studies clarify relationships between plant groups. Many classic names are being replaced to reflect their true evolutionary lineage.
Step 2: Detailed Explanation:
Polianthes tuberosa (Tuberose): This is a popular fragrant bulbous plant. For a long time, it was treated as a separate genus, Polianthes.
New Classification: Recent phylogenetic studies have shown that Polianthes is nested within the genus Agave. Therefore, the genus Polianthes has been merged into Agave.
Since the name Agave tuberosa was already occupied by another plant, a new name had to be chosen for the commercial Tuberose. The internationally accepted new name is Agave amica.
Agave americana is the large Century Plant, while Agave parviflora and Agave angustifolia are distinct species within the same genus.
Step 3: Final Answer:
The new scientific name for Polianthes tuberosa is Agave amica.
Was this answer helpful?
0
0
Top ICAR AIEEA Horticulture Questions
- In banana:
Statement (A): Bunch feeding is a simple and low-cost method.
Statement (B): It is the direct way to supply nutrients to the bunch.
Statement (C): Only micronutrients can be given through this method.
Choose the correct answer from the options given below. - The softwood grafting
Statement (I): Is done with mature, procured scion on the emerging soft, coppery-red shoot of the rootstock, which is 60-70 days old.
Statement (II): Is used for raising desired varieties of mango, sapota, tamarind and cashew.
In light of the above statements, choose the most appropriate answer from the options given below. - Given below are two statements:
Statement (I): In garlic modified roots are economic part.
Statement (II): Characteristic odour in garlic is due to volatile organic sulfur-containing compounds that are rapidly produced upon tissue damage and diffuse into the air.
In light of the above statements, choose the most appropriate answer from the options given below. - Given below are two statements:
Statement (I): The flowers of ridge gourd start opening in the evening and remain open throughout the night.
Statement (II): Pollination of ridge gourd is done in the day time.
In light of the above statements, choose the most appropriate answer from the options given below. - Given below are two statements:
Statement (I): The first gynoecious based hybrid of bitter gourd is Pusa Hybrid-4 developed by ICAR-IARI, New Delhi.
Statement (II): The male:female ratio of the gynoecious based hybrids of bitter gourd is 25:1.
In light of the above statements, choose the most appropriate answer from the options given below.
View More Questions
Top ICAR AIEEA Garden Features Questions
- Best orientation in single hedge row is?
- Who has completed the garden at Amber fort, Jaipur, Rajasthan?
- Given below are two statements:
Statement (I): Garden suburbs are nothing but satellite townships developed among parks and avenues.
Statement (II): In the old congested cities, bio-aesthetic planning can be achieved by developing garden suburbs on the outskirts of the city easily approachable by vehicles.
In light of the above statements, choose the most appropriate answer from the options given below: - Which of the following architect has given the concept of bio-aesthetic planning?
- Given below are two statements:
Statement (I): Lawn grass, Cynodon dactylon L. is most widely used on lawn, roadsides, parks, school ground, playgrounds, golf courses and other areas where a close mown dense turf is required.
Statement (II): Cynodon dactylon L., Stenotaphrum secundatum and Paspalum notatum are cool season grasses and highly suitable for lawn making in cool areas.
In light of the above statements, choose the most appropriate answer from the options given below:
View More Questions
Top ICAR AIEEA Questions
- Which of the following statements is false?
- Which of the following is an example of an inventory?
- According to Adam Smith, productivity gains could be brought about through .
- The supply curve for an artificially scarce good is .
- Which of the following would not be considered an opportunity cost of paid employment?
View More Questions