Comments
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Limnophila trichophyllaLimnophilatrichophylla (Komarov) Komarov has been reported from NE China and Taiwan. From illustrations and the original description, the species is similar to L. sessiliflora, but we have not seen any specimens. The same is true for the recently described L. taoyuanensis (Bot. Bull. Acad. Sinica 38: 285-295. 1997).
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Description
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Perennials, amphibious. Submerged stems slender, long, glabrous or subglabrous. Aerial stems 6-40 cm, simple or sparsely branched, eglandular hairy, rarely subglabrous. Submerged leaves 0.5-3.5 cm, multiparted; segments flattened or capillary. Aerial leaves whorled; leaf blade elliptic-lanceolate, 5-18 X 3-4 mm, glabrous, densely glandular punctate, margin crenate to lobed; veins 1-3. Flowers sessile or rarely with a pedicel to 1.5 mm, solitary in axils of submerged and aerial leaves. Bracteoles absent or rarely present and to 1.5 mm. Calyx 4-6 mm, eglandular hairy, without raised veins in fruit; lobes 2-4 mm, ovate, apex narrowly acuminate. Corolla purple-blue to reddish, 6-10 mm. Capsule compressed, subglobose. Fl. and fr. Jul-Jan.
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Distribution
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Himalaya (Nepal to Bhutan), India, east to China, Korea and Japan, Malaysia.
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Distribution
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Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hunan, Jiangsu, Jiangxi, Liaoning, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, India, Indonesia (Java), Japan, Korea, Malaysia, Myanmar, Nepal, Sikkim, Sri Lanka, Vietnam].
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Elevation Range
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200-600 m
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Habitat
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Ponds, swamps, rice fields, wet places along streams; below 1900 m.
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Synonym
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Hottonia sessiliflora Vahl, Symb. Bot. 2: 35. 1791; Ambulia sessiliflora (Vahl) Baillon ex Wettstein; L. taoyuanensis Yang & Yen.
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Limnophila sessiliflora
provided by wikipedia EN
Limnophila sessiliflora, known as dwarf ambulia, ambulis, and Asian marshweed is a flowering plant in the family Plantaginaceae.
Synonyms
Ambulia Ambulia sessiliflora; Hottonia sessiliflora; Stemodia sessiliflora; Terebinthina sessiliflora; Stemodiacra sessiliflora
Distribution
S.E. Asia Escaped into a number of countries where conditions are suitable and sometimes classified as a weed - in paddy rice fields of India, China, Japan and the Philippines. Now is naturalized in several counties in Florida, from south Florida to the Florida Panhandle. Some species are native to Australia.[1]
Ecology
Very adaptable; has been found growing in mountain streams, lakes, rivers and even damp soils.
Description
Looks superficially rather similar to Cabomba but it has leaves in proper whorls, about 1.2 inches (3 cm) in diameter. The leaves are pinnate and bright green in colour. Under strong light the leaves take on a reddish hue. When the plant has received enough light for the day, the whorls of leaves tend to close up and "go to sleep".[2] Can reach over 16 inches (40 cm) in height. The submerse leaves are very different from the emerse forms - dark green, more or less lance-shaped.
The fruit are capsules, ellipsoid, 3.5-5.5 mm long, green-brown when submersed, dark brown when emersed.
Cultivation
Quite commonly used as a bunch plant in aquariums. Needs medium light (more light results in better growth and appearance) and a nutrient-rich water column. Benefits from the addition of CO2. Like many stem plants, it tends to take on a leggy growth in poor light.
Propagated by cuttings.
Growth conditions: Ph 6–7.5 3-25 dGH 3-25 dKH Temperature 22 - 28'C
A nutrient-rich substrate also benefits the plant.
References
- Biswas D, Calder CC. 1955. Handbook of Common Water and Marsh Plants of India and Buram. Health Bull. 24, Delhi, 47 pp.
- Dutta NM. 1975. A Revision of the genus Limnophila of eastern India. Bull. Bot. Soc. Bengal. 29:1-7
- Gilbert KM. 1984. A review of the aquatic plants Limnophila heterophylla and Limnophila sessiliflora. Bureau of Aquatic Plant Research and Control Dept. of Natural Resources. 12 pp.
- Mahler MJ. 1980. Limnophila, a new exotic pest. Aquatics 2:4-7
- Philcox D. 1970. A taxonomic revision of the genus Limnophila R. Br. (scrophulariaceae). Kew Bull. 24(1):101-170
- Rataj K, Horeman TJ. 1977. Aquarium Plants. T.F. H. Publications: Neptune City.
- Sculthorpe CD. 1967. The Biology of Aquatic Vascular Plants. Edward Arnold Publ. Ltd.: London. 610 pp.
- Spencer W, Bowes G. 1985. Limnophila and Hygrophila: a review and physiological assessment of their weed potential in Florida. J. Aq. Pl. Manag. 23:7-16
- Yamazaki T. 1985. A revision of the genera Limnophila and Torenia from Indochina. Journ. Fac. Sci. Univ. Todyo. III 13: 575-624
- Yang YP, Yen SH. 1997. Notes on Limnophila (scrophulariaceae) of Taiwan. Botanical Bulletin of Academia Sinica. pp. 285–294
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Limnophila sessiliflora: Brief Summary
provided by wikipedia EN
in
Hyderabad, India.
Limnophila sessiliflora, known as dwarf ambulia, ambulis, and Asian marshweed is a flowering plant in the family Plantaginaceae.
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