Ranalisma rostratum













Ranalisma rostratum
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Description
Ranalisma rostratum is a small water plantain from the Asian tropics. In Europe, this plant is not very well-known yet, it is still very rare. The name is also written Ranalisma rostrata quite frequently. Under water, R. rostratum develops very narrow, lineal light green leaves and runners. It resembles Helanthium parvulum very much. In its emerged form, R. rostratum has roundish, spoon-like leaves and small white flowers, from which striking hedgehog-like aggregate fruits form. The plant is also suitable as grass-like ground-covering plant. Make sure the lighting is on the strong side, and add sufficient CO2 and nutrients. Like all rosette plants, Ranalisma rostratum likes a substrate rich in nutrients.
Ranalisma rostratum is a small plant from the Asian tropics and subtropics. It is often sold under the grammatically incorrect name "Ranalisma rostrata". When kept emersed, the leaves of R. rostratum are roundish, with a stalk, and the short inflorescence often consists of a single flower, from which a rather large erinaceous aggregate fruit develops. It contains a large number of rostrate nutlets with flat sides. The submersed form has light green lineal leaves and closely resembles the light green variety of Helanthium tenellum (please see Helanthium tenellum "parvulum"). Just like the species of the genus Helanthium, R. rostratum forms long runners that are truly modified inflorescences (pseudo or inflorescence stolons).
R. (read more)
Synonyms | Echinodorus ridleyi Steenis, Echinodorus rostratus (Stapf) Gagnepain (1929), not (Nuttall) Engelmann ex A. Gray (1848) |
Complete botanical name | Ranalísma rostrátum Stapf |
Family | Alismataceae |
Genus | Ranalisma |
Difficulty | medium |
Usage | Foreground, group, Foreground, ground cover |
Aquascaping | forms a grass-like lawn |
Growth | fast |
Temperature tolerance | 20 - 28°C |
General hardness | 0 - 30°dGH |
Propagation | Runners |
Can grow emersed? | yes |
Source | Flowgrow |
Synonyms |
Echinodorus ridleyi Steenis, Echinodorus rostratus (Stapf) Gagnepain (1929), not (Nuttall) Engelmann ex A. Gray (1848) |
Complete botanical name |
Ranalísma rostrátum Stapf |
Family |
Alismataceae |
Genus |
Ranalisma |
Difficulty |
medium |
Usage |
Foreground, group, Foreground, ground cover |
Aquascaping |
forms a grass-like lawn |
Growth |
fast |
Temperature tolerance |
20 - 28°C |
General hardness |
0 - 30°dGH |
Propagation |
Runners |
Can grow emersed? |
yes |
Source |
Flowgrow |
Customer reviews
4 Reviews
5 Stars(2) | |
4 Stars(1) | |
3 Stars(0) | |
2 Stars(1) | |
1 Star(0) |

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