Biology:Clerodendrum quadriloculare
| Clerodendrum quadriloculare | |
|---|---|
| |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Clerodendrum |
| Species: | C. quadriloculare
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| Binomial name | |
| Clerodendrum quadriloculare (Blanco) Merr.
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| Synonyms[2] | |
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Clerodendrum quadriloculare (known as the bronze-leaved clerodendrum, fireworks plant,[3][4] Philippine glorybower, shooting star or starburst bush[4] in English, and bagawak or bagawak morado[3][4] in Filipino) is a species of flowering plant native to New Guinea and the Philippines . It is one of many species previously included in the family Verbenaceae, but transferred to the Lamiaceae based on molecular studies.[5][6][7][8] The plants produce flowers which look good in a garden, but it can be difficult to eradicate.
Description
The bronze-leaved clerodendrum is a medium to large-sized shrub growing to a height of about 5 m (16 ft). The branches and twigs are four-sided. The leaves are in opposite pairs and are borne on medium-length petioles. The leaf blades are oblong and up to 20 cm (8 in) long, the upper surface being green and the underside purple; they have rounded bases, wavy margins and pointed tips. The showy flower clusters are borne at the tips of the shoots. Each contains many flowers with slender pink tubes about 7 cm (3 in) long, each terminated by five slender white, reflexed corolla lobes about 1.5 cm (0.6 in) long. The flowers are followed by ellipsoid, capsules containing four seeds.[9] The corolla tubes are exceptionally long and require specialist pollinators.[10]
Distribution and habitat
The bronze-leaved clerodendrum is native to the Philippines and Papua New Guinea, and has also been recorded from American Samoa, the Federated States of Micronesia, Fiji, French Polynesia, Guam, the Marshall Islands, the Northern Mariana Islands, Palau and Samoa, as well as Puerto Rico,[9] Singapore, and Hawaii. As well as parks and gardens, it is found on road verges and on disturbed ground, pastures, forest edges and undisturbed forests where it is able to displace native species.[10]
Invasiveness
The bronze-leaved clerodendrum is grown as an ornamental shrub but it has become naturalised in many locations, in some of which it is viewed as an invasive species.[9] It is a vigorous, rapid-growing shrub which sends up suckers which may develop into thickets. Additionally, cuttings and pieces of detached roots are easily moved with soil and can develop into new plants, and the seeds, which germinate readily, are spread by animals and birds in their droppings.[9] This shrub can grow in full sun, partial shade and deep shade, and in some locations grows as a dense, mono-specific ground cover layer under the forest canopy.[10]
In bloom at the Fairchild Tropical Botanic Garden.
Seedlings
Close-up of a C. quadriculare flower
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References
- ↑ de Kok, R. 2021 (2021). "Clerodendrum quadriloculare". IUCN Red List of Threatened Species 2021: e.T127525329A127525332. doi:10.2305/IUCN.UK.2021-1.RLTS.T127525329A127525332.en. https://www.iucnredlist.org/species/127525329/127525332. Retrieved 8 March 2022.
- ↑ "Clerodendrum quadriloculare (Blanco) Merr.". The Trustees of the Royal Botanic Gardens, Kew. n.d.. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:862346-1.
- ↑ 3.0 3.1 Rojo, Justo P. (1999). Revised Lexicon of Philippine Trees. Los Baños, Laguna, Philippines: Forest Products Research and Development Institute, Department of Science and Technology. ISBN 9716260024.
- ↑ 4.0 4.1 4.2 Marciano, Marietta R., ed (2012). Philippine Native Trees 101: Up Close and Personal. Green Convergence for Safe Food, Healthy Environment and Sustainable Economy, & Hortica Filipina Foundation, Inc.. ISBN 978-971-95469-0-0.
- ↑ Kew World Checklist of Selected Plant Families
- ↑ Cantino, P.D., Harley, R.M. & Wagstaff, S.J. 1992. Genera of Labiatae: status and classification. Pp. 511–522. In: Raymond M. Harley and Tom Reynolds (editors). Advances in Labiate Science. Richmond, Royal Botanic Gardens, Kew.
- ↑ Wagstaff, Steven J.; Hickerson, Laura; Spangler, Russ; Reeves, Patrick A.; Olmstead, Richard G. (1998). "Phylogeny in Labiatae s. l., inferred from cpDNA sequences". Plant Systematics and Evolution 209 (3–4): 265–274. doi:10.1007/BF00985232.
- ↑ "Pacific Island Ecosystems at Risk". http://www.hear.org/pier/species/clerodendrum_quadriloculare.htm.
- ↑ 9.0 9.1 9.2 9.3 Jackson, Grahame. "Fireworks: Clerodendrum quadriloculare". Pacific Pests, Pathogens & Weeds fact sheets. Australian Centre for International Agricultural Research. https://apps.lucidcentral.org/ppp_v9/text/web_full/entities/fireworks_445.htm.
- ↑ 10.0 10.1 10.2 Rojas-Sandoval, Julissa; Acevedo-Rodríguez, Pedro (21 September 2012). "Clerodendrum quadriloculare (bronze-leaved clerodendrum)". Invasive Species Compendium. CABI. https://www.cabi.org/isc/datasheet/14334.
External links
Wikidata ☰ Q5131946 entry
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