Typha angustifolia

Growing form

Perennial herb.

Size

1.5–2(–3) m high.

Stem

The stem is erect, simple and glabrous. The rhizome is creeping.

Leaf

The leaf arrangement is alternate with most of the leaves emerging near the base of the stem. The laminae are long, rather narrow, linear, compressed, rather rigid, and with long sheaths. The sheaths tightly encircle the stem.

Flower

The dense, cylindrical and two sectioned inflorescence is at the summit of the stem. The staminate flowers are in the upper part of the inflorescence, and the pistillate flowers are in the lower part of the inflorescence, separated by a short interval without flowers. Part of the pistillate flowers are sterile. The perianth consists of bristles and narrow scales.

Fruit and seed

The fruit is an achene.

Source: Pinkka e-learning: Botanical excursion to Lammi - Hazel grove and herb-rich forest vegetation by the lake Pääjärvi, herb-rich forest slope on the hill Linnavuori. CC BY 4.0

The map represents observations of this taxon, but it may not be used as a distribution map.

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Observations
  • Total squares
Checklist
MR.1
Scientific name
Typha angustifolia
Author
L.
Vernacular names
  • kapeaosmankäämi (Finnish)
  • smalkaveldun (Swedish)
Identifier
http://tun.fi/MX.40189
Taxon rank
Occurrence in Finland
Status in Finland
Regulatory Status
Finnish Regional Red List Category
  • 2019
  • 2010
  • 2000
Expert
  • Pertti Uotila
DNA barcode sequences
Typha angustifolia
33 public records
Informal groups
  • Vascular plants
  • Plant life forms
  • Aquatic plants
  • Helophytes