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Fam.: Ranunculaceae / Buttercup Fam.  

Genus:  Ranunculus  L.
 

Authors:
   BORCH.-KOLB:  Eva Borchers-Kolb (1952 - ), botanist from Bavaria (Germany)
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
 

Etymology:
   Ranunculus:   diminutive of rana = frog
   basitruncatus:   truncated at the base
 

The Ranunculus auricomus aggregate consists of many different apomictic and therefore rather isolated microspecies. Within the aggregate Ranunculus basitruncatus is counted to the indecorus group, to which some more microspecies with similarly formed basic leaves are belonging, too. It is a relativ strong plant with incomplete blossoms. I found only three stems of it at the wet edge of a meadow and in the adjacent reed. I was told that this is the last known occurrence of this microspecies. As several other Bavarian Goldilocks microspecies it has been described and its leaf forms shown in Borchers-Kolb, E. (1985), Ranunculus sect. auricomus in Bayern und den angrenzenden Gebieten II Spezieller Teil, Mitt. Bot. München 21: 49-300. Also in F. G. Dunkel 'Der Ranunculus-auricomus-Komplex in Bayern, II. Neue oder vom Aussterben bedrohte Arten', Berichte der Bayerischen Botanischen Gesellschaft 77: 93-116 (2007) the extremely endangered microspecies is mentioned again.
Most of the microspecies generate a series of seven different forms of basal leaves in spring, as well as a summer leaf, which again has a different form. The two or three middle ones of the spring leaves, which have the most complexe forms of all these leaves, shall be sufficient for determination of the species. However most single plants are not developing all types of leaves, especially weak plants are often lacking the most complex middle ones of the spring leaves, this may impede the determination. If it was possible to determine the generation of shown leaves, the number is given in square brackets [ ].
Beneath the already determined microspecies Ranunculus abstrusus, Ranunculus abyssus, Ranunculus aemulans, Ranunculus alnetorum, Ranunculus alsaticus, Ranunculus argoviensis s.l., Ranunculus argoviensis, Ranunculus arundinoides, Ranunculus arundo, Ranunculus basitruncatus, Ranunculus biclaterae, Ranunculus biformis, Ranunculus bonnensis, Ranunculus borchers-kolbiae, Ranunculus brunnescentoides, Ranunculus cassubicifolius, Ranunculus cf. bayerae, Ranunculus chrysoleptos, Ranunculus compositus, Ranunculus contegens, Ranunculus dactylophyllus, Ranunculus danubius, Ranunculus doerrii, Ranunculus eifeliensis, Ranunculus engelianus, Ranunculus excisus, Ranunculus ferocior, Ranunculus forstfeldensis, Ranunculus franconicus, Ranunculus geissertii, Ranunculus geraniifolius, Ranunculus geraniiformis, Ranunculus gratiosus, Ranunculus haasii, Ranunculus halebardifolius, Ranunculus hevellus, Ranunculus hirsutulus, Ranunculus indecorus s.l., Ranunculus integerrimus s.l., Ranunculus irregularis, Ranunculus kunzii, Ranunculus leptomeris, Ranunculus lingulatus, Ranunculus lommersdorfensis, Ranunculus lucorum, Ranunculus lunaris, Ranunculus lyngsbergianus, Ranunculus lyratus, Ranunculus macrotis, Ranunculus meckelensis, Ranunculus megacarpus, Ranunculus mergenthaleri, Ranunculus monacensis, Ranunculus mosbachensis, Ranunculus mosellanus, Ranunculus multisectus, Ranunculus neoascendens, Ranunculus nicklesii, Ranunculus oligodon, Ranunculus onsdorfensis, Ranunculus opimus, Ranunculus palmularis, Ranunculus philopadus, Ranunculus phragmiteti, Ranunculus pleiophyllus, Ranunculus potentilloides, Ranunculus pseudalsaticus, Ranunculus pseudocassubicus, Ranunculus pseudopimus, Ranunculus pseudovertumnalis, Ranunculus puberulus, Ranunculus quinatus, Ranunculus recticaulis, Ranunculus reichertii, Ranunculus rhombilobus, Ranunculus ripuaricus, Ranunculus roessleri, Ranunculus rostratulus, Ranunculus rotundatus, Ranunculus schumacheri, Ranunculus sphinx, Ranunculus stellaris, Ranunculus stricticaulis s.l., Ranunculus stricticaulis, Ranunculus subglechomoides, Ranunculus suborbicularis, Ranunculus subtruncatus, Ranunculus suevicus, Ranunculus suprasilvaticus, Ranunculus transiens, Ranunculus varicus, Ranunculus vertumnalis, Ranunculus walo-kochii, Ranunculus zinselianus some pages with photos of not yet determined Ranunculus auricomus microspecies are available: Ranunculus auricomus spec1 ? (Odenwald, Fürth), ...spec2 ? (Adelsheim), ...spec3 ? (Spessart, Steinau), ...spec4 ? (Bad Nauheim), ...spec5 ? (Rheinhessen, Nack), ...spec6 ? (Neckarzimmern), ...spec7 ? (Herxheim), ...spec8 ? (Eggenstein), ...spec9 ? (Franken/Franconia Weismain), ...specA ? (Thüringen Weimar, Belvedere), ...specB ? (Thüringen Weimar, Neuer Friedhof), ...specC ? (Gerolzhofen-Sulzheim), ...specD ? (Gerolzhofen-Sulzheim), ...specE ? (Kleinrheinfeld), ...specF ? (Schweinfurt), ...specG ? (Wörth-Büchelberg), ...specH ? (Deuerling), ...specI ? (Pfalz, Speyer), ...specJ ? (Pfofeld), ...specK ? (Thüringen, Weimar), ...specL ? (Odenwald, Nieder-Beerbach), ...specM ? (Frankfurt-Rödelheim), ...specN ? (Werbachhausen).

 

Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 1:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 2:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 3:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 4:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 5:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 6:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 7:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 8:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 9:  Ranunculus basitruncatus / Truncated Goldilocks
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 10:  Ranunculus basitruncatus / Truncated Goldilocks [2]
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 11:  Ranunculus basitruncatus / Truncated Goldilocks [5]
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 12:  Ranunculus basitruncatus / Truncated Goldilocks [6]
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 13:  Ranunculus basitruncatus / Truncated Goldilocks [7]
D Velden 6.5.2012
Ranunculus basitruncatus / Truncated Goldilocks, D Velden 6.5.2012
Fig. 14:  Ranunculus basitruncatus / Truncated Goldilocks [7]
D Velden 6.5.2012

 


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