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   24 Jun 2024      ()
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Delphinium ajacis   (Doubtful knight's spur)


Delphinium ajacis  (RANUNCULACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Aug-2022 (taxon update: none)
Citation for this page Mifsud, S. (2022). Delphinium ajacis - datasheet created on Aug-2022. Retrieved from MaltaWildPlants.com on 24-Jun-2024

Nomenclature and Basic Information

Species name :

Delphinium ajacisL.
Published in Sp. Pl. : 531 (1753)

Synonyms :
(basionym or principal syn.)

Delphinium ambiguum Mill.
Synonym that was used for long in Malta: Consolida ajacis (L.) Schur
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] [Worldplants.de]

Plant Family :

Ranunculaceae Juss. (The Buttercup Family)
23 species from the Ranunculaceae family are recorded from the Maltese Islands.

English name(s) :

Doubtful knight's spur, Rocket larkspur

Maltese name(s) :

Sieq il-ħamiema l-kbira

Status for Malta :

Casual or accidental alien. Species that was introduced in Malta rather recently and normally it is short-lived or resticted to small populations for a short time, without becoming widespread or invasive.

Frequency :

Very Common     Common    Frequent     Scarce     Rare    Very rare    Extinct

Growth form :

Raunkiaer lifeform [info]: THEROPHYTE ( annual plants, herbaceous )
Germination [info]: Dicotyledon

Legal Protection :

Not legally protected till the last update of this website (2/Mar/2022)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

June – July

Colour of Flowers:

Blue

Toxicity:

Highly toxic and can lead to death even if consumed in minute quantities

Name Derivation :

Delphinium: The name is derived from the resemblance of the bud or flower to the head of a miniature dolphin (=delphinus). (Latin origin )
ajacis:

Planting in rural areas :

Can be planted in rural areas according to ERA Guidelines

Remarks :

For long this species was treated as Consolida ajacis (L.) Schur and is found under this taxon in many floristic work. Recent classification merged many Consolida (Gray, 1822)species with the older genus of Delphinium (L., 1753).


Description, Habitat and Distribution
Habitat in Europe: Arable land and other dry, open habitats.
Preferred habitat in Malta: Harvested or fallow fields
Botanical Description: Stem up to 100 cm, simple or branched. Basal leaves with oblong segments; cauline with linear segments. Inflorescence usually racemose, occasionally paniculate; lower bracts dissected; bracteoles small, remote, usually not reaching base of flower. Lower pedicels mostly more than 12 mm in fruit, but less than twice as long as ripe follicle. Perianth-segments 10-14(-20) mm, usually deep blue; spur 13-18 mm. Nectary 3-lobed, with bifid upper lobe. Follicle 15-20 × 5 mm pubescent, gradually narrowed at apex; seeds black.
Distributional range: S. Europe, extending to N.W. France and N. Romania; locally naturalized elsewhere

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Albania, Bulgaria, Corse, Crete, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Italy (excl. Sicily and Sardignia), ex-Jugoslavia, Russia and former USSR, Sicily and/or Malta, Turkey (European part), Introduced in  the Azores, Belgium, Britain (excl. Northern Ireland and Channel islands), Germany, Switzerland, Spain (incl. Andorra but excl. the Balaerics), Romania, Russia and former USSR
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
Ab(A N) AE(G) Al Ar BH Bl(M N) Bu Cg Co Cr Ct Cy Ga(F) Gg(G) Gr It Le Ma Mk Rf(CS) dSi Sl SM Sr Sy Tu(A E) Uk(K) [aAg Au(A L) Az aAz(C F G J L M P T) Be aBl Bl(I) aBr By aCa(H P) Ca(T) aCs aDa Es aFe aGa(C) Ga(F) nGe aHb(E) aHe nHs Hs(A S) aLi Lu aMa aMd Md(M P) aNo Rf(C E NW) cRm aSa Si(M S) aSu Uk]

Links & Further literature (1 papers)

Google Web

Google Images

Google Scholar

Research Gate

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium

MNHN

Arkive

IUCN

CABI
Nomenclatural revision of Delphinium subg. Consolida (DC.) Huth (Ranunculaceae) DuPasquier et al.  (2021)
Kindly Email if there are papers and publications about local studies or information about this species to be included in the list above.

Species Images (5 images)
   Delphinium ajacis   -   Image Code: DLPAJ-0.
   Delphinium ajacis   -   Image Code: DLPAJ-1.
   Delphinium ajacis   -   Image Code: DLPAJ-2.
   Delphinium ajacis   -   Image Code: DLPAJ-3.
   Delphinium ajacis   -   Image Code: DLPAJ-4.

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