Skip to main content

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
YouTube: https://www.youtube.com/@Dlium
Labels:

Popular Posts

Lolot (Piper sarmentosum)

Lolot pepper ( Piper sarmentosum ) is a species of plant in Piperaceae, perennial herb, erect or lodging, creeping rhizome, up to 120 cm long, branched, enlarged branches, cylindrical stems, brown or green, often grooved, growing on the forest floor and shade. P. sarmentosum has leaf stalks up to 15 cm long, up to 13 cm wide, green, alternately arranged, heart-shaped, pointed tips and flat margins. The leaves have 5 main veins from the base of the blade, linear and slightly curved to the tip, glands on the upper surface and many fine pinnate veins. The upper side is shiny green, the lower side is pale green. The flowers are white. The fruit grows in the upper armpit of the leaf, is slightly oval and green. The leaves are used as a medicine for asthma, malaria, stomach ache, tinea versicolor, toothache, difficulty urinating, aches and pains, maintaining stamina, antibacterial, antimicrobial, antioxidant, and so on. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiosperma...
Read more

East Indian globe thistle (Sphaeranthus indicus)

Gorakhmundi or gorakh mundi or mundi buti ka phool or mundi booti ka phool or sembung delan or East Indian globe thistle ( Sphaeranthus indicus ) is a species of plant in Asteroideae, a perennial, multi-branched, strong fragrance with erect stems, winged and toothed wings, growing wild in rice fields forming colonies, dense open rugs in the tropics. S. indicus has alternating sitting leaves, oval, narrow at the base, toothed and serrated, 1-3 cm long and green. Leaves 2-7 cm long, 1-3 wide, broad and deep wings, continuing into a large bone in the center of the leaf to a sharp tip and several lateral veins. The flower is round, grows at the tip, has a large and long stalk, is purple in color, 8-15 mm in size, consists of many tiny flowers, green or red or purple and has pale purple stamens. Head ovate-ellipsoid and 12-15 mm long. Phyllaries are white and have purple crest. Female flowers have a corolla tube 2-2.5 mm long. The bisexual flowers are 2.3-3 mm long and the hardened pa...
Read more

Liberian coffee (Coffea liberica)

Liberian coffee ( Coffea liberica ) is a species of plant in the Rubiaceae family, a tree up to 20 meters tall, with numerous, radial and irregular branches, brown bark, and linear fissures. The leaves are oval, thick, up to 35 cm long, up to 20 cm long, shiny green, and have petioles up to 1 cm long. The fruit is round to oval, irregular, and up to 2 cm wide. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Gentianales Family: Rubiaceae Subfamily: Ixoroideae Tribe: Coffeeae Genus: Coffea L. in Sp. Pl.: 172 (1753) Species: Coffea liberica W.Bull in Nursery Cat. (William Bull) 97: 4 (1874) HETEROTYPIC SYNONYMS Coffea abeokutae Cramer in Meded. Dept. Landb. Ned.-Indië 11: 286, 396 (1913) Coffea abeokutae var. camerunensis A.Chev. in Encycl. Biol. 22: t. 44 (1942) Coffea abeokutae var. indeniensis (Siebert) A.Chev. (1942) Coffea abeokutae var. longicarpa Portères in Ann. Agric. Afrique Occ. 1(2): 224 (1937) Coffea abeokutae var. macrocarpa...
Read more