Erechtites
Template:Short description Template:Automatic taxobox
Erechtites is a genus of flowering plants in the daisy family known commonly as fireweeds or burnweeds. They are native to the Americas and Australia,[1][2] but some species are widely distributed weeds.[1][3][4]
Description
Erechtites consists of annual or perennial herbs with large taproots and very often with a pungent odor. Leaves are usually ovate or lanceolate (sometimes pinnately lobed or pinnatifid). Flower heads may sometimes contain as many as 100 yellow or white (rarely pink) disc florets but no ray florets.[1]
Taxonomy and species
Some species in this genus are treated as members of Senecio by some authors, and several other species are considered variants of Erechtites hieraciifolius, so there may be as few as 5 distinct species in this genus. In particular, not all authors agree on whether to include a dozen or so species native to Australia and New Zealand in Erechtites.[5][6]
- Species
27 species are recognised by Plants of the World Online[7]
- Erechtites apargiifolius Sond.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites atkinsoniae F.Muell.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites bathurstianus DC.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites bukaensis Rechinger & Muschl.Script error: No such module "Check for unknown parameters". - Solomon Islands
- Erechtites diversifolius Petrie.Script error: No such module "Check for unknown parameters". - New Zealand
- Erechtites glabrescens DC.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites glomeratus (Desf. ex Poir.) DC.Script error: No such module "Check for unknown parameters". - Australia, New Zealand
- Erechtites glossanthus Sond.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites goyazensis (Gardner) CabreraScript error: No such module "Check for unknown parameters". - South America
- Erechtites gunnii Hook.f.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites hieraciifolius (L.) Raf. ex DC.Script error: No such module "Check for unknown parameters". - North America, South America, West Indies; introduced in Europe and Asia
- Erechtites hispidulus (A.Rich.) DC.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites ignobilis BakerScript error: No such module "Check for unknown parameters". - South America
- Erechtites kermadecensis (Belcher) AllanScript error: No such module "Check for unknown parameters". - Kermadec Islands
- Erechtites laceratus F.Muell.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites leptanthus (Phil.) CabreraScript error: No such module "Check for unknown parameters". - Chile
- Erechtites minimus (Poir.) DC.Script error: No such module "Check for unknown parameters". - Australia, New Zealand
- Erechtites missionum MalmeScript error: No such module "Check for unknown parameters". - South America
- Erechtites petiolatus Benth.Script error: No such module "Check for unknown parameters". - South America
- Erechtites picridioides Turcz.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites quadridentatus (Labill.) DC.Script error: No such module "Check for unknown parameters". - Australia, Java
- Erechtites runcinatus DC.Script error: No such module "Check for unknown parameters". - Mexico
- Erechtites scaberulus Hook.f.Script error: No such module "Check for unknown parameters". - New Zealand
- Erechtites sonchoides DC.Script error: No such module "Check for unknown parameters". - Australia, New Zealand
- Erechtites tenuiflorus DC.Script error: No such module "Check for unknown parameters". - Australia
- Erechtites valerianifolius (Link ex Spreng.) DC.Script error: No such module "Check for unknown parameters". - Mexico, South America, Central America
- Erechtites wairauensis (Belcher) AllanScript error: No such module "Check for unknown parameters". - New Zealand
Alternatively, a more limited genus circumscription restricts the genus to New World species and only recognises six species in two sections:[8]
- Erechtites sect. Erechtites
- Erechtites hieracifolius
- Erechtites missionis
- Erechtites valerianifolius
- Erechtites petiolatus
- Erechtites sect. Goyazenses Belcher
- Erechtites goyazensis
- Erechtites ignobilis
The genus name Erechtites is considered masculine by some botanists and feminine by others. Hence some species names may end in "-us" or "-a," for example, Erechtites valerianifolius versus E. valerianifolia. International Code of Botanical Nomenclature (Art. 62.4) specifies that generic names ending in "-ites" are to be treated as masculine, hence the "-us" ending in such cases is to be preferred over the "-a" ending.[1][9]
References
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- ↑ a b c d Script error: No such module "citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ Erechtites Hieracifolia. Fireweed., Drugs and Medicines of North America, 1884-1887 by John Uri Lloyd and Curtis G. Lloyd. Online edition by Henriette Kress, 2002-2009
- ↑ Jepson Manual Treatment
- ↑ Template:BioRef
- ↑ Script error: No such module "Citation/CS1".
- ↑ International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) article 62.4
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