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Hieracium murorum

Wall hawkweed

Blütenstand (CC0) AnRo0002

Short Description

The wall hawkweed can grow over half a metre high.

Except for one or two small leaves, all the stem leaves grow at the base of the plant. They are elongated, partly serrated and sparsely but long haired. Some leaves are reddish dotted.

The stem is covered with both long and dense short hairs.

The yellow flower heads grow in twos to eights in panicles. The bracts, below the flower heads, are abundantly glandular-hairy.

The plant forms small, nut-like fruits with rough, brittle flying hairs on the upper tip.

Features

Wall hawkweed

Hieracium murorum

  • yellow flowers

  • almost all leaves at the base

Similar species

Smooth hawkweed

Hieracium laevigatum
The stem is also covered with deciduous leaves above the base of the plant. The leaves are glabrous.

Mouse-ear hawkweed

Pilosella officinarum
The flower heads are often red-striped on the outside. The upper side of the leaf is covered with long hairs. The underside is grey felted. The leaves grow only at the base of the plant.
Blüten (CC BY-SA 3.0) Alvesgaspar

In the city

It grows in forests and forest edges, on gravel, mountain meadows and at the bottom of walls, mostly in drier places.

Fun Facts

  • The flowering period is from May to August.

  • It is pollinated by bees.

  • It is a very diverse species. In Germany alone, over 100 subspecies have already been described. It also easily forms hybrids with other species.

  • It is a perennial plant. This means that a plant lives for several years, but flowers only once and dies after the seeds have ripened.

  • Endangerment level Germany: not endangered
Blätter (CC BY-SA 4.0) Salicyna

Sources

Blütenstand, AnRo0002, CC0, https://commons.wikimedia.org/wiki/File:20140513Hieracium_murorum8.jpg

Blüten, Alvesgaspar, CC BY-SA 3.0, https://commons.wikimedia.org/wiki/File:Hieracium_murorum_duet.jpg

Blätter, Salicyna, CC BY-SA 4.0, https://commons.wikimedia.org/wiki/File:Hieracium_murorum_2017-04-17_7649.jpg

Page „Wald-Habichtskraut“. : Wikipedia, The Free Encyclopedia. Date of last revision: 26.07.2018, 19:45 UTC. URL: https://de.wikipedia.org/w/index.php?title=Wald-Habichtskraut&oldid=179475541 (Accessed: 06.08.2018).

Bundesamt für Naturschutz (n.d.) Artensteckbriefe, URL: http://floraweb.de/pflanzenarten/artenhome.xsql?suchnr=25659& (Accessed: 06.08.2018).

Seitz, B., Ristow, M., Meißner, J., Machatzi, B. & Sukopp, H. (2018) Rote Liste und Gesamtartenliste der etablierten Farn- und Blütenpflanzen von Berlin. : Der Landesbeauftragte für Naturschutz und Landschaftspflege / Senatsverwaltung für Umwelt, Klima und Verkehr (eds.) Rote Listen der gefährdeten Pflanzen, Pilze und Tiere von Berlin, URL: https://www.berlin.de/sen/uvk/natur-und-gruen/naturschutz/artenschutz/artenlisten-rote-listen/farn-und-bluetenpflanzen/ (Accessed: 26.03.2021).