<big>''[[Ludwigia octovalvis]]'' (Jacq.) P.H. Raven</big>
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:Protologue: Kew Bull. 15: 476 (1962).
:Family: Onagraceae
== Synonyms ==
*''Jussiaea suffruticosa'' L. (1753), *''Jussiaea pubescens'' L. (1762), *''Jussiaea angustifolia'' Lamk (1789).
== Vernacular names ==
== Distribution ==
Pantropical, between 32North 32° North and 30South30° South.
== Uses ==
== Observations ==
*A perennial, robust, much branched herb, sometimes woody at base, 2(-4) m tall, lower part of stem sometimes with aerenchyme, pseudo-aerophores present in inundated conditions, normally with appressed or spreading hairs; leaves .*Leaves narrowly lanceolate to narrowly ovate, 2-14 cm × 0.5-4 cm, base narrowly cuneate, apex attenuate, veins 11-20 pairs, old leaves reddish, petiole up to 1 cm long, bracteoles reduced or 1 mm long; sepals .*Sepals 4, ovate or lanceolate, 6-15 mm long, petals broadly obovate or cuneate, slightly emarginate, 17 mm × 2-17 mm, yellow, stamens 8, filaments 1-4 mm long, pollen in tetrads, style 1.5-3.5 mm long; capsule .*Capsule 1.7-4.5 cm × 0.2-0.8 cm, terete, thin-walled, pale brown, 8 darker ribs, irregularly splitting, pedicel up to 10 mm long; seeds .*Seeds pluriseriate in each cell, free, rounded, raphe as long as the seed. ''L. octovalvis'' occurs in humid localities, damp grasslands, rice fields, along ditches, in swamps, pools, river beds, on floating islands in lakes and in coconut plantations, from sea-level up to 1500 m altitude. Two subspecies are distinguished, subsp. ''octovalvis'' and subsp. ''sessiliflora'' (Micheli) P.H. Raven.
== Selected sources ==''L. octovalvis'' occurs in humid localities, damp grasslands, rice fields, along ditches, in swamps, pools, river beds, on floating islands in lakes and in coconut plantations, from sea-level up to 1500 m altitude. Two subspecies are distinguished, subsp. ''octovalvis'' and subsp. ''sessiliflora'' (Micheli) P.H. Raven.
74, 134,== Selected sources ==
* [74] Backer, C.A. & Bakhuizen van den Brink Jr, R.C., 1964—1968. Flora of Java. 3 volumes. Noordhoff, Groningen, the Netherlands. Vol. 1 (1964) 647 pp., Vol. 2 (1965) 641 pp., Vol. 3 (1968) 761 pp.*[134] Burkill, H.M., 1985—2000. The useful plants of West tropical Africa. 2nd Edition. 5 volumes. Royal Botanic Gardens, Kew, United Kingdom. Vol. 1 (1985), Families A—D, 960 pp.; Vol. 2 (1994), Families E—I, 636 pp.; Vol. 3 (1995), Families J—L, 857 pp.; Vol. 4 (1997), Families M—R, 969 pp; Vol. 5 (2000), Families S—Z, 686 pp.*[135] Burkill, I.H., 1966. A dictionary of the economic products of the Malay Peninsula. Revised reprint. 2 volumes. Ministry of Agriculture and Co-operatives, Kuala Lumpur, Malaysia. Vol. 1 (A-HA—H) pp. 1-12401—1240, Vol. 2 (I-ZI—Z) pp. 1241-24441241—2444.*[181] Chen, C.P., Lin, C.C. & Namba, T., 1989. Screening of Taiwanese crude drugs for antibacterial activity against Streptococcus mutans. Journal of Ethnopharmacology 27(3): 285—296.*[574] Kuo, Y.C., Sun, C.M., Tsai, W.J., Ou, J.C, Chen, W.P. & Lin, C.Y., 1999. Blocking of cell proliferation, cytokine production and gene expression following administration of Chinese herbs in the human mesangial cells. Life Sciences 64(23): 2089—2099.*[708] Murugesan, T., Ghosh, L., Das, J., Pal, M. & Saha, B.P., 2000. CNS activity of Jussiaea suffruticosa Linn. extract in rats and mice. Pharmacy and Pharmacology Communications 5(11): 663—666.*[709] Murugesan, T., Ghosh, L., Mukherjee, K., Das, J., Pal, M. & Saha, B.P., 2000. Evaluation of antidiarrhoeal profile of Jussiaea suffruticosa Linn. extract in rats. Phytotherapy Research 14(5): 381—383.*[788] Pételot, A., 1952—1954. Les plantes médicinales du Cambodge, du Laos et du Vietnam [The medicinal plants of Cambodia, Laos and Vietnam]. 4 volumes. Centre National de Recherches Scientifiques et Techniques, Saigon, Vietnam.*[1099] Yang, L.L., Yen, K.Y., Kiso, Y. & Hikino, H., 1987. Antihepatotoxic actions of Formosan plant drugs. Journal of Ethnopharmacology 19(1): 103—110.
181, 574, 708, 709, 788, 1099.== Main genus page ==*[[Ludwigia (PROSEA)|''Ludwigia'']]
== Authors ==
*Isa Ipor
[[Category:Medicinal plants (PROSEA)]]
[[Category:PROSEA]]