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Renjeng (Merremia gemella)

Dlium Renjeng (Merremia gemella)

Renjeng (Merremia gemella) is a species of plant in Convolvulaceae, shrubs that grow to crawl or climb by coiling on a support, cylindrical, green and white hair. Leaves heart-shaped, width up to 6 cm, flat margins, dark green, a vein in the middle and many lateral veins.

M. gemella has disc-shaped flowers, diameter up to 2.5 cm, yellow with white aisles and 6 pistils and white. Fruit round, diameter up to 5 mm. Grow in forests, agricultural land, waterways and roadsides.







TAXON
Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Solanales
Family: Convolvulaceae
Subfamily: Convolvuloideae
Tribe: Merremieae
Genus: Merremia Dennst. ex Endl. in Gen. Pl. Secund. Ord. Nat., Suppl. 1: 1403 (1841)
Species: Merremia gemella (Burm.f.) Hallier f. in Bot. Jahrb. Syst. 16: 552 (1893)
Variety: Merremia gemella var. Gemella, Merremia gemella var. splendens Ooststr.

HOMOTYPIC SYNONYMS

Convolvulus gemellus Burm.f. in Fl. Indica: 46 (1768)
Ipomoea gemella (Burm.f.) Roth in J.J.Roemer & J.A.Schultes, Syst. Veg., ed. 15[bis]. 4: 229 (1819)
Ipomoea obscura var. gemella (Burm.f.) C.B.Clarke in J.D.Hooker, Fl. Brit. India 4: 207 (1883)

PUBLICATIONS

Fang, R.-Z. & Staples, G. (1995). Convolvulaceae. Flora of China 16: 271-325. Missouri Botanical Garden Press, St. Louis.

Fosberg, F.R. & Sachet. M.-H. (1977). Flora of Micronesia 3: Convolvulaceae. Smithsonian Contributions to Botany 36: 1-34.

Girmansyah, D. & al. (eds.) (2013). Flora of Bali an annotated checklist: 1-158. Herbarium Bogorensis, Indonesia.

Johnson, R.W. (2009). A conspectus of Merremia Dennst. Ex Endl. (Convolvulaceae) in Australia with the addition of two species. Austrobaileya 8: 55-63.

Johnson, R.W. (2012). Convolvulaceae. Australian Plant Census Council of Heads of Australian Herbaria.

Khan, M.S. (1985). Fl. Bangladesh Convolvulaceae. Flora of Bangladesh 30: 1-59. Bangladesh National Herbarium, Dhaka.

Kress, W.J., R.A. DeFilipps, E. Farr, & Y.Y. Kyi in Kress, W.J. et al. (2003). Cklist. Myanmar Convolvulaceae. Checklist of the Trees, Shrubs, Herbs, and Climbers of Myanmar: 197-201. National Museum of Natural History, Washington DC.

Manitz, H. (1983). Zur Nomenklatur einiger Convolvulaceae und Cuscutaceae. I. Feddes Repertorium 94: 173-182.

Merrill, E.D. (1921). A review of the new species of plants proposed by N.L. Burman in his Flora Indica.. Philippine Journal of Science 19: 329-388.

Mill, R.R. (1999). Fl. Bhutan Convolvulaceae. Flora of Bhutan 2(2): 834-862. Royal Botanic Gardens, Edinburgh.

Ooststroom, S.J. van & R.D. Hoogland (1953). Convolvulaceae. Flora Malesiana 4: 388-512. Noordhoff-Kolff N.V., Djakarta.

Staples, G. (2018). Flore du Cambodge du Laos et du Viêt-Nam 36: 1-406. Muséum National d'Histoire Naturelle, Paris.

Staples, G. (with P. Traiperm) (2010). Convolvulaceae. Flora of Thailand 10: 330-468. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.

Staples, G.W. (2010). A checklist of Merremia (Convolvulaceae) in Australasia and the Pacific. Gardens' Bulletin Singapore 61: 483-522.

VERNACULAR NAME

English: Renjeng
Indonesia: Renjeng
Java: Renjeng

Aryo Bandoro
Dlium TheDlium
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