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Marsilea angustifolia R.Br.

Species

Pteridophytes > Salviniales > Marsileaceae > Marsilea

Characteristics

Rhizome much-branched, glabrous except at the tips. Fronds 5–30 cm long, clustered. Stipes glabrous or scaly. Leaflets narrowly cuneate, 5–20 mm long, 3–5 mm wide, spreading equally, glabrous or scaly; outer margin entire, flat to rounded. Sporocarps in clusters; stalks 1–3 mm long, unbranched, glabrous; conceptacles 5–5.5 mm long, scaly, indistinctly ribbed; upper surface convex; upper basal tooth prominent; lower basal tooth absent; apex of the stalk forming a less prominent tooth-like protuberance.
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A fern. It has a long creeping rootstock. This is branched. It grows 10-30 cm high. The stalks are 10-30 cm long and arise in clusters from the rootstock. The leaves can be floating or under the water. The leaflets are 0.1-1 cm long by 0.1-0.5 cm wide. They are narrow with a rounded tip. The capsules are 0.45-0.55 cm long and at right angles to the stalk. They are densely hairy and have a single upper tooth. They are usually on unbranched stalks.
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Growth form herb
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Foliage retention deciduous
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Mature height (meter) 0.1 - 0.3
Root system creeping-root rhizome
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Environment

A tropical plant. It grows in shallow fresh water or in mud around the edges of ponds. It grows best in full fun. It can tolerate frost.
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Grows in shallow water and drying mud.
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Hardiness (USDA) 8-12

Usage

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Edible seeds
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Cultivation

Plants are grown by division.
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Distribution

Marsilea angustifolia world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:17144660-1
WFO ID wfo-0001286841
COL ID 3Y98Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Zaluzianskia angustifolia Marsilea angustifolia
WorldFloraDB 2024