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

Black jumping spider (Hyllus diardi)

Black jumping spider ( Hyllus diardi ) is an animal species in the Salticidae, black and white spiders, long hair, round head, elongated belly, relatively small, arboreal, perched on leaves in bushes and low trees in forests and agricultural lands. H. diardi has black and white color, shiny surface and white hair all over the body. The head is round, shiny black with a linear white line in the middle. Black eyes on the front of the head. The stomach has an elongated, jointed, black cylindrical shape with black plots at the top of each segment. The legs are long, segmented, shiny black or brownish in color and hairy. Black jumping spiders live arboreal, perch on leaf surfaces, low bushes, trees in forests, agricultural land, roadsides and shade. Very sensitive to human presence and will hide behind leaves to avoid sight. Kingdom: Animalia Phylum: Arthropoda Subphylum: Chelicerata Class: Arachnida Order: Araneae Suborder: Araneomorphae Infraorder: Entelegynae Superfamily: Salticoi...
Read more

Hairy senna (Senna hirsuta)

Hairy senna ( Senna hirsuta ) is a species of plant in the Fabaceae family. It is an upright shrub, growing up to 2.5 meters tall. The leaves are compound on petioles up to 13 cm long. They usually have 2-6 pairs of leaflets, are egg-shaped, and have white hairs, up to 10 cm long and 5 cm wide. The flowers are yellow and arranged at the tips of branches and in the upper leaf axils in clusters of 2-5. The petals are 12-16 mm long, have 6 stamens, 3-8 mm long anthers, and 4 staminodes. Flowering occurs almost monthly. The pods are cylindrical, up to 15 cm long, 4-6 mm wide, and curved. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Caesalpinioideae Tribe: Cassieae Subtribe: Cassiinae Genus: Senna Mill. in Gard. Dict. Abr., ed. 4.: [s.p.] (1754) Species: Senna hirsuta (L.) H.S.Irwin & Barneby in Phytologia 44: 499 (1979) Variety: Senna hirsuta var. acuminata (Benth.) H.S.Irwin & Barneby, Senna ...
Read more

Awar awar (Ficus septica)

Awar-awar or lagnob or hauli tree or barabar or sirih popar or tobo tobo ( Ficus septica ) is species of plants in Moraceae, trees grow in bushes or in neglected places and sap contained in roots, twigs, leaves and fruit is used to treat poisoning and digestive problems. F. septica is usually 1-5 m high, although in the forest it can be up to 25 m. Round, hollow and bare branches. Roots, twigs, leaves and fruit will emit a yellow sap and sticky if injured. The base of the leaves is large and spiky, arranged alternately or face to face with a stem length of 2.5-5 cm. Large leaf blade, round egg, 9-30x9-16 cm, rounded base and blunt narrow tip, flat-edged, upper side dark green with 6-12 secondary bones pale white. Fruit paired, single or clustered up to 4 items, short-stemmed, at the base has 3 protective leaves, light green or gray green and 1.5 cm in diameter. F. septica is food for 22 animal species including wasps, bats, birds, monkeys and mice as well as seed dispersing vecto...
Read more