''Aponogeton longiplumulosus'' is a submerged

aquatic plant Aquatic plants are plants that have adapted to living in aquatic environments (saltwater or freshwater). They are also referred to as hydrophytes or macrophytes to distinguish them from algae and other microphytes. A macrophyte is a plant that ...

that is native to

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

. It possesses an elongated

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

2–3 cm in diameter. The

leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

are an olive green-brown, 8 - 14 inches (20–35 cm) long and 2.5 inches (6 cm) broad, with a fluted margin and a petiole up to about 24 inches (60 cm) long. No floating leaves are formed. New leaf colour forms have been introduced recently. The flowers are a dark violet in colour.

Cultivation and uses

''Aponogeton longiplumulosus'' is a beautiful

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

plant and makes no special demands as to water quality though it thrives best in soft water in a medium to bright light. A rich substrate encourages growth and additional is beneficial. Under good conditions it will flower frequently. It does have dormant periods which last a few weeks. It is often used for larger aquariums. It is propagated by seed, but it has been reported to be difficult to germinate.

References

External links

Tropica
longiplumulosus Aquatic plants Freshwater plants {{monocot-stub