Petasites hybridus ’male’
(Butterbur - Male Plant)

Taxonomic hierarchy:
Functional groupPetasites hybridus ’male’ (Butterbur - Male Plant)
SpeciesPetasites hybridus (Butterbur)
GenusPetasites (butterburs)
TribeSenecioneae (a tribe of composites)
SubfamilyASTEROIDEAE (“daisies”)
FamilyASTERACEAE (daisies, dandelions and thistles, composite)
OrderASTERALES (daisies, dandelions, thistles and bell flowers)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Petasites hybridus ’male’ (Butterbur - Male Plant) :
1: Petasites hybridus ’male’ (Butterbur - Male Plant)
23 Apr 2011 OSGR: SD86 54° 0’ N, 2° 20’ W Vice County: Mid-west Yorks (VC 64) England
Male plants at roadside
Image 1: Capitula - close-upImage 2: Capitula - close-up (2)Image 3: Capitula - close-up (3)Image 4: Capitula - close-up (4)Image 5: Inflorescence base - close-upImage 6: Inflorescence - close-upImage 7: Inflorescence - close-up (2)Image 8: Plant - close-upImage 9: Plants - in situImage 10: Plants - in situ (2)Image 11: Capitula - close-up - enlargedImage 12: Capitulum - close-up - enlargedImage 13: Capitulum - oblique view - close-up - enlargedImage 14: Capitulum - oblique view - close-up - enlarged (2)Image 15: Capitulum - side view - close-up - enlarged - dark backgroundImage 16: Capitulum - side view - close-up - enlarged - grey backgroundImage 17: Capitulum - side view - close-up - enlarged - grey background (2)Image 18: Two capitula - close-up - enlargedImage 19: Two capitula - close-up - enlarged (2)Image 20: Two capitula - close-up - enlarged (3)
2: Petasites hybridus ’male’ (Butterbur - Male Plant)
1 Apr 2000 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Spreading from canal bank and pushing through tarmac
Image 1: Capitula - close-upImage 2: Capitula - close-up (2)Image 3: Inflorescence - close-upImage 4: In situImage 5: In situ (2)Image 6: In situ (3)Image 7: In situ - pushing through tarmacImage 8: In situ - pushing through tarmac (2)Image 9: Young flower spike just emergingImage 10: Young flower spike just emerging (2)Image 11: CapitulumImage 12: Capitulum - LSImage 13: FloretImage 14: Florets - close-upImage 15: Florets - close-up (2)Image 16: Florets - close-up (3)Image 17: Florets - close-up (4)Image 18: InflorecenceImage 19: Inflorescence
3: Petasites hybridus ’male’ (Butterbur - Male Plant)
16 Apr 1971 OSGR: SD67 54° 10’ N, 2° 30’ W Vice County: Mid-west Yorks (VC 64) England
Male plant
Image 1: Male - inflorescence - close-up

Petasites hybridus ’male’ (Butterbur - Male Plant) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Petasites hybridus ’male’ (Butterbur - Male Plant)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Petasites hybridus ’male’ (Butterbur - Male Plant)
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