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St. John's rollandia
Scientific Name: Cyanea st.-johnii
Family: Campanulaceae
Category: Dicot
Growth: Shrub
Duration: Perennial
Other Names:
Cyanea st.-johnii (St. John's Rollandia)
Cyanea st.-johnii, commonly known as St. John's rollandia, is a rare flowering plant belonging to the bellflower family (Campanulaceae).
Considerations for Pets
- The text indicates a "No" rating for dog safety.
Considerations for Children
- The text indicates a "No" rating for child safety.
Taxonomy and Nomenclature
- Scientific Name: Cyanea st.-johnii
- Common Name: St. John's rollandia
- Family: Campanulaceae (Bellflower Family)
- Synonyms:
- Rollandia st.-johnii Hosaka
- Rollandia obatae H.St.John
- Rollandia bidentata H. St. John (synonym for Cyanea calycina)
- Lobelia calycina Cham.
- Rollandia calycina (Cham.) G. Don
Distribution and Habitat
- Cyanea st.-johnii is endemic to the Ko?olau Mountains of O?ahu, Hawaii.
- Its occurrence is very limited, with an estimated 25–30 total individuals in few subpopulations.
Conservation Status
- Listed as Critically Endangered by the IUCN in 2012.
Morphological Characteristics
- It is described as a shrub and a perennial plant.
Quirky Facts
- Prior to being named Cyanea st.-johnii, it was previously named Rollandia st.-johnii and several other names including Rollandia bidentata and obatae
Related Resources
- ARKive: Provides photos and facts about St. John's rollandia.
- The Integrated Taxonomic Information System (ITIS)
- IUCN Red List of Threatened Species: <www.iucnredlist.org>
- USDA PLANTS Database: (http://plants.usda.gov)
- International Plant Names Index
- Australian Plant Name Index
- NYBG Virtual Herbarium