Epilobium
Great Willowherb (Epilobium hirsutum )
The Fireweed (Epilobium ) are one in the temperate zones, especially North America and Eurasia ( Holarctic ) growing genre of evening primrose family ( Onagraceae ).
Description
There are one to perennial herbaceous plants. They have reddish, pink or whitish -colored, small flowers. The leaves are often arranged opposite or alternate rarely whorled.
Many species have a long corolla tube. The flowers can be radially symmetrical or zygomorphic. The species with zygomorphic flowers are often placed in a separate genus: Chamerion Raf. ex Holub. Within the genus Epilobium they are otherwise in a separate section: Sect. Chamaenerion exchange.
It is formed a narrow linealische capsule fruit that springs open with four tabs, from which emerge the seeds. The seeds often have hairy appendages for wind dispersal ( Anemochorie ).
Species
There are nearly 190 species worldwide. Many species tend to hybridism (hybrids).
In Europe, the following species occur:
- Pimpernel willowherb (Epilobium anagallidifolium Lam. )
- Quirlblättriges fireweed (Epilobium alpestre ( Jacq. ) Krocker )
- Mierenblättriges fireweed (Epilobium alsinifolium Vill. )
- Fireweed (Epilobium angustifolium L., Syn: Chamerion angustifolium (L.) Holub J. )
- Epilobium atlanticum Litard. & Maire, comes in the Sierra Nevada in southern Spain before and in North Africa.
- Himalayan fireweed (Epilobium ciliatum Rafin, Syn. Epilobium Adenocaulon Hausskn. )
- Hill fireweed (Epilobium collinum CC Gmelin )
- Epilobium davuricum fish. ex Hornem. , occurs in Scandinavia and Russia.
- Alpine Willowherb (Epilobium dodonaei Vill, Syn. Chamerion dodonaei ( Vill. ) J. Holub )
- Epilobium duriaei Gay ex Gren. & Godr. , Occurs in the mountains of western Europe.
- Fleischer fireweed (Epilobium fleischeri Hochst; Syn. Chamerion fleischeri ( Hochst. ) J. Holub )
- Epilobium gemmascens C. A. Mey., Occurs on the Balkan Peninsula.
- Epilobium glandulosum clay, home. North America, naturalized in northern Europe in places.
- Great Willowherb (Epilobium hirsutum L.)
- Epilobium hornemannii Rchb. , Is found in the Arctic.
- Hartheu Willow herb (Epilobium hypericifolium exchange), is also provided as a synonym of E. montanum L..
- Epilobium lactiflorum Hausskn. , Is found in the Arctic.
- Epilobium latifolium L., occurs in North Asia, North America, Russia and Iceland.
- Grey-green Fireweed (Epilobium lamyi FW Schultz ), is also a subspecies subsp. lamyi (FW Schultz ) Nyman asked to E. L. tetragonum.
- Lancet fireweed or Lanzettblättriges fireweed (Epilobium lanceolatum Sebastiani & Mauri )
- Mountain willow herb (Epilobium montanum L.)
- Epilobium nerterioides A. Cunn, home. Zealand, the United Kingdom and Ireland in places naturalized.
- Nodding fireweed (Epilobium nutans FW Schmidt)
- Dark green willow herb (Epilobium obscurum Schreber )
- Marsh Willowherb (Epilobium palustre L.)
- Epilobium paniculatum Nutt. ex Torrey & A. Gray, Origin: North America, neophyte in Spain.
- Hoary Willowherb (Epilobium parviflorum Schreber )
- Rose Red fireweed (Epilobium roseum Schreber )
- Four -edged fireweed (Epilobium tetragonum L.)
- Epilobium tundrarum Sam. , Is found in Russia and the Arctic Asia.
- Epilobium vernonicum Snogerup, occurs only in Greece.
Swell
- Peter Hamilton Raven: Epilobium L. In: . TG Tutin, VH Heywood, NA Burges, DM Moore, DH Valentine, SM Walters, DA Webb ( eds.): Flora Europaea. Volume 2: Rosaceae to Umbelliferae, Cambridge University Press, Cambridge, 1968, ISBN 0 - 521-06662 -X, pp. 308-311 ( limited preview on Google Book Search ).
- Werner Greuter, Burdet Hervé -Maurice, Guy Long ( Eds.): Med - Checklist. A critical inventory of vascular plants of the circum - mediterranean countries. Vol 4 ( Dicotyledones: Lauraceae Rhamnaceae ). Conservatoire et Jardin Botanique, Geneva, 1989, ISBN 2-8277-0154-5, pp. 249-252.