Genus Jacobaea Mill.
Род 792 (41). ЯКОБЕА - JACOBAEA MILL.¹*
Mill., Gard. Diet. Abr. Ed. 4 (1754) 667; Greuter, Med-Checklist 2 (2008) 497
Fam: Asteraceae Berncht & J. Presl. (nom. alt Compositae Giseke)
Genus: Jacobaea Mill.
English Name: Benweed (exact name unknown)Description: Perennial, rarely biennial herbaceous plants or semi-shrubs, almost nude to tufted fibrous. Stems single or multiple, upright, simple or branched. The stem leaves are jagged, feathered or squashed, with petioles or sitting down up to semi enclosing the petiole. Baskets single or multiple, collected in more or less thyroid inflorescences. Inflorescences usually longer than 1/4 of the length of the sheath, linear. The sheath leaves lance to oblong rhombic or ovate lance, naked or fibrous. Paganist blossoms in number usually as envelope leaflets, elliptical or elliptic lance, sometimes undeveloped, yellow, orange yellow to reddish. Fruit trees almost cylindrical, bare or fibrous, pale or dark brown to reddish brown. The kite white, dirty white to pale brownish. Propagate with seeds and vegetative.
Table for determination of the species
1 Paganist blossoms 1 - 2, basal leaves 30 - 60 cm long ....................................................... 1. - J. othonnae (M. Bieb.) Spreng. ex S.A. Meu.
1* Paganist blossoms more than 5, basal leaves up to 30 cm long ........................................................................................................................ 2
2 Baskets single, rarely 2; the base and the lower stem leaves 2 - 3 times sparse …………..………………... 8. - J. abrotanifolia (L.) Moench
2* Baskets more than 3, very rarely 1 - 2; basal and lower stem leaves entire, lyre similar, or once feathery chopped ............................................ 3
3 Orange or reddish blossomss; reddish envelope ..........…………………………………... 4. J. pancicii (Degen) Vladimirov & Raab-Straube
3* Yellow blossoms; envelope green ................................................................................................................................................................... 4
4 Primary and lower stem leaves with a core or rounded base .......................................... 3. - J. subalpina (W. D. J. Koch) Pelser & Veldkamp
4* Basal and lower stem leaves with wedge-shaped base ..................................................................................................................................... 5
5 The leaves linearly lance or narrowly lance, not indistinguishable (but deeply tanned along the edge) ........... 2. - J. paludosa (L.) G. Gaertn. & al.
5* Leaves of other shapes, at least a part of them lyre similar or feathery chopped …............................................................................................. 6
6 Plants with densely white tufted foliage at least on the stem and the lower leaf surface ................................. - J. maritima (L.) Pelser & Meijden
6* Plants without white tufted foliage .................................................................................................................................................................... 7
7 The outer (of the faded colors) fruit-bearing fibres ..................................................................................... 7. - J. erucifolia (L.) G. Gaertn. & al.
7* Outermost fruit pickles naked ........................................................................................................................................................................... 8
8 Inner fruit pickles nude or scattered fibrous, the hais located mainly on the five major ribs; basal leaves lyre similar or uncut, usually survive during flowering …..............................................................……………………………………………………… 6. - J. aquatica (Hill) G. Gaertn. & al.
8* Inner fruiting pickles densely fibrous, the hais located along the main and intermediate ribs; basal leaves usually feathery chopped, get dry before flowering ............................................................................................................................................................................ 5. - J. vulgaris Gaertn.¹ Developed by V. Vladimirov.
* Part of the study was conducted with the financial support of the SYNTHESYS program (Project AT-TAF-146).
* A part of the study was financially supported by the SYNTHESYS Program (Project AT-TAF-146).From: „Флора на Република България”, том XI, БАН, София, (2013) * * *
Jacobaea is a genus of the tribe Senecioneae and the family Asteraceae. Its members used to be placed in the genus Senecio,[2] but have been separated into the segregate genus Jacobaea on the basis of molecular phylogenetics in order to maintain genera that are monophyletic.[3] The following species are recognised by The Plant List:[4]From Wikipedia, the free encyclopedia
* * *
Jacobaea
The genus Jacobaea is in the family Compositae in the major group Angiosperms (Flowering plants).
Statistics are at the end of the page.Species in Jacobaea
Statistics
The Plant List includes 126 scientific plant names of species rank for the genus Jacobaea. Of these 41 are accepted species names.
The Plant List includes a further 17 scientific plant names of infraspecific rank for the genus Jacobaea. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.Species names
The status of the 126 species names for the genus Jacobaea recorded in The Plant List, are as follows:
Status
Total
◕
41
32.5%
◕
16
12.7%
◕
0
0%
◕
69
54.8%
* Note of Site BgFlora.eu creator: Jacobaea pancicii (Degen) Vladimirov & Raab-Straube is not included in the list of plant species shown on this page
From: www.theplantlist.org/browse/A/Compositae/Jacobaea/ * * *
Senecio pancicii Degen is a synonym of Jacobaea arnautorum (Velen.) Pelser
This name is a synonym of Jacobaea arnautorum (Velen.) Pelser.
The record derives from TICA which reports it as a synonym (record 50B309E8-9D01-4E67-9980-752772DAD39C) with original publication details: Degen in Magyar Bot. Lapok 1. 1902. 92 1902.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:77096539-1.
From:
www.theplantlist.org/tpl/record/gcc-83841* * *
Distribution in Bulgaria: (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.
Distribution:References: „Флора на Република България”, том XI, БАН, София, (2013), Wikipedia, the free encyclopedia, www.theplantlist.org/browse/A/Compositae/Jacobaea/, www.theplantlist.org/tpl/record/gcc-83841
SPECIES:
Jacobaea pancicii (Degen) Vladimirov & Raab - Straube - not known
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