Erysimum nevadense
Erysimum nevadense | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Brassicales |
Family: | Brassicaceae |
Genus: | Erysimum |
Species: | E. nevadense
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Binomial name | |
Erysimum nevadense |
Erysimum nevadense is a perennial short-lived herb endemic to the Sierra Nevada of Spain, although there are some citations in the nearby Sierra de Gádor (Almería). This wallflower occurs between 1,700 and 2,700 m above sea level in subalpine scrublands and alpine meadows. It may be treated as a narrowly circumscribed single species, one of a group or complex of six separate species, or as a more broadly circumscribed species with six subspecies.
Description
Erysimum nevadense sensu stricto (synonym Erysimum nevadense subsp. nevadense) is a biennial or perennial plant, generally branched with multiple flowering stems, usually less than 25 cm (10 in) high. It is well supplied with hairs, most of which are boat-shaped (navicular), although some are three-rayed. Its leaves, which may appear greyish-green because of the hairs, are much narrower than long, usually 20–60 cm (8–24 in) long by 1–3 mm (0.0–0.1 in) wide. The flowering stems, excluding the raceme of flowers, are 2–15 cm (0.8–5.9 in) long. Individual flowers have yellow petals that are 12–16 mm (0.5–0.6 in) long and 3–4 mm (0.1–0.2 in) wide and a style 1.5–3 mm (0.06–0.12 in) long. The fruits are upright or drooping, usually less than 4 cm (1.6 in) long on pedicels up to 6 mm (0.2 in) long.[3][4]
Taxonomy
Erysimum nevadense was first described by Georges François Reuter in 1855.[5] In 1979, Adolf Polatschek described a number of new species of Erysimum.[6] Six of these were considered to be closely related to E. nevadense, and in 1990, Peter William Ball explained the decision made in Flora Europaea to reduce the six to subspecies of E. nevadense.[7] They were treated as separate species making up the nevadense group or complex in Flora Iberica in 1993.[3] A molecular phylogenetic study published in 2014 included four of the species, E. gomez-campoi, E. mediohispanicum, E. nevadense and E. rondae. The study did not support the view that the four were closely related. In the combined mitochondrial and nuclear DNA analysis, E. mediohispanicum and E. nevadense fell into one clade, E. rondae into another, while E. gomez-campoi was sister to both clades. The authors concluded that the E. nevadense group did not have phylogenetic support.[4]
Subspecies
Plants of the World Online divides Erysimum nevadense into six subspecies,[1] which Flora Iberica treats as separate species.[8]
- Erysimum nevadense subsp. fitzii (Polatschek) P.W.Ball = Erysimum fitzii Polatschek
- Erysimum nevadense subsp. gomez-campoi (Polatschek) P.W.Ball = Erysimum gomez-campoi Polatschek
- Erysimum nevadense subsp. mediohispanicum (Polatschek) P.W.Ball = Erysimum mediohispanicum Polatschek
- Erysimum nevadense subsp. merxmuelleri (Polatschek) P.W.Ball = Erysimum merxmuelleri Polatschek
- Erysimum nevadense subsp. nevadense = Erysimum nevadense Reut., sensu stricto
- Erysimum nevadense subsp. rondae (Polatschek) P.W.Ball = Erysimum rondae Polatschek
Pollination biology
Flowers are visited by many species of insects belonging to the order Hymenoptera, Diptera, Coleoptera, Lepidoptera and Heteroptera. Most abundant flower visitors are Proformica longiseta (Formicidae), an ant species endemic to the Sierra Nevada and surrounding mountain ranges, Dasytes subaeneus (Melyridae), Malachius laticollis (Malachidae) and some species of beeflies belonging to the genus Bombylius and Parageron (Bombyliidae).
References
- ^ a b "Erysimum nevadense Reut.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-03-31.
- ^ Reuter, [Georges François] (1855). Catalogue des graines recueillies en 1855 et offertes en échange par le Jardin Botanique de Genève. Rambox & Schuchardt. p. 4.
- ^ a b Nieto Feliner, G.; Clot, B. & Favarger, C. (1993). "12. Erysimum L." (PDF). In Castroviejo, S. (ed.). Flora iberica. Vol. IV. Cruciferae-Monotropaceae (in Spanish). Madrid: Real Jardín Botánico, CSIC. pp. 48–76. Retrieved 2021-04-01.
- ^ a b Abdelaziz, M.; Muñoz-Pajares, A.J.; Lorite, J.; Herrador, M.B.; Perfectti, F. & Gómez, J.M. (2014). "Phylogenetic relationships of Erysimum (Brassicaceae) from the Baetic Mountains (SE Iberian Peninsula)". Anales del Jardín Botánico de Madrid. 71 (1): e005. doi:10.3989/ajbm.2377.
- ^ "Erysimum nevadense Reut". The International Plant Names Index. Retrieved 2021-04-01.
- ^ Polatschek, Adolf (1979). "Die Arten der Gattung Erysimum auf der Iberischen Halbinsel" (PDF). Annalen des Naturhistorischen Museums in Wien (in German). 82: 325–362. Retrieved 2021-04-01.
- ^ Ball, P.W. (1990). "Notes on the genus Erysimum L. in Europe". Botanical Journal of the Linnean Society. 103 (3): 200–213. doi:10.1111/j.1095-8339.1990.tb00184.x.
- ^ "Erysimum L." Flora Iberica. Real Jardín Botánico, CSIC. Retrieved 2021-04-02.
External links
- evoflor[permanent dead link] a web page on Erysimum floral evolution
- Flora of Almería
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- Erysimum
- Endemic flora of Spain
- Perennial plants
- Plants described in 1855