Plantae > Tracheophyta > Magnoliopsida > Malvales > Malvaceae > Hibiscus > Hibiscus x rosa-sinensis

Nome científico publicado pela 1ª vez em:

Sp. Pl. 2: 694 (1753) [3]

Região Geográfica de Origem

Artificial hybrid (Hibiscus cooperi × Hibiscus kaute) [4]

Estado de Conservação

Not applicable [5]

Estatuto na região Açores

Exotic hybrid under cultivation [5]

Sobre o(s) Exemplar(es)

This specimen has been registered by photo since 2003.

Coordinates: 37°44’46″N; 25°39’50″W
Altitude: 41,8 m

Morphometrics (2023):
Height: 3,96 m

Phenology (2003, 2024):
Flowering: III-VII
[5]

Sobre o táxon

The hibiscus is the national flower of Hawaii and Malaysia. In the Azores, it is a common shrub in public and private gardens, farms and forest parks, where it is used both as a single plant and as a hedge.[6]

This taxon has the following properties: antiparasitic, antipyretic, antioxidant, antimicrobial, antidiabetic, anti-ulcer, hepatoprotective, antigenotoxic, anti-inflammatory, anticonvulsant, and antitussive. [5]

Descrição

Evergreen shrub up to 4 m high. Leaves alternate, ovate to ovate-lanceolate (up to 15 cm long), acuminate, dentate-serrate, sometimes lobed. Solitary flowers in the axils of the upper leaves; 6 to 9 linear-lanceolate involucral bracts; campanulate tubular calyx; 5 petals (2.1- 12.7 cm long), red or reddish darkening towards the base, but in ornamental cultivars the corollas may have simple or folded petals and the colors vary from white to various shades of red, yellow and orange. Staminal column excerpts revealing 5 capitate stigmas at the end. [7]

Referências

[1] Vélez-Gavilán J (2024). Hibiscus × rosa-sinensis. In: CABI Compendium. Wallingford, UK: CAB International. https://www.cabidigitallibrary.org/doi/full/10.1079/cabicompendium.27128#sec-1

[2] Fernandes F, Carvalho L (2003). Portugal Botânico de A a Z, Plantas Portuguesas e Exóticas. LIDEL. Edições Técnicas, Lda.

[3] IPNI (2023). International Plant Names Index. The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Herbarium. http://www.ipni.org.

[4] POWO (2024). Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org.

[5] Vaz A, Mona D, Bulhões M, Pereira MJ. (2024). Hibiscus x rosa-sinensis. In : Ponta Delgada University Campus Garden. Ponta Delgada: Universidade dos Açores. https://jardim.uac.pt/en/plantae-tracheophyta-magnoliopsida-malvales-malvaceae-hibiscus-hibiscus-x-rosa-sinensis-2/

[6] Kalam MA, Jalal B, Zahoor U, Ahmed A (2024). Gurhal (Hibiscus rosa–sinensis): Medicinal importance in perspective of unani medicine and pharmacological studies. European Journal of Pharmaceutical and Medical Research, 11(4): 322-329.

[7] Pereira, M.J.; Vieira, V.; Furtado, D. (eds.) (2010). O Jardim Romântico da Universidade dos Açores, ed. 1. Ponta Delgada: Universidade dos Açores, 57 pp.