jonmortin's picture

Hawkbit

Observed: 30th May 2011 By: jonmortin
Bristol Regional Environmental Records Centre
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Description:

Spot the green beetle hiding inside!

Identifications
Species interactions

No interactions present.

Species with which Mouse-ear-hawkweed (Pilosella officinarum) interacts

Comments

jonmortin's picture

I was guessing a bit based on

I was guessing a bit based on illustrations and descriptions in an old wildflower book. It said Rough Hawkbit could also have red undersides of outer florets. But more confusing to me are the lobed leaves which seem to match Rough Hawkbit closer than Mouse-ear Hawkweed which has unlobed leaves. Having said that there may be leaves from more than one plant visible in my photo (including a basal rosette of unlobed leaves). I returned to the site today and saw more examples with only lobed leaves (and no red florets!).

Fenwickfield's picture

Hawk's bit

There may be more than one type growing next to each other also, I always make sure the leaf is of that plant and photograph it separately,I have noticed that there can be a slight difference in leaf shape too.

Fenwickfield

jonmortin's picture

Thanks for that. I may post

Thanks for that. I may post some photos of other specimens. I was particularly keen to establish an id for this one because of the beetle hiding inside as it may be its foodplant.

jonmortin's picture

I have had another look at

I have had another look at the leaves of this specimen and I can see two types. Smaller unlobed leaves with very long white hairs (particularly on the undersides) and larger lobed and crinkly leaves with shorter denser hair. Are both these leaves typical for Mouse-ear hawkweed? I have just posted a photo of another specimen of the same(?)species.

AlanS's picture

The oval leaves

The oval, unlobed leaves with the very long hairs belong to the Pilosella.

The other leaves look like Hypochaeris radicata.

Alan

jonmortin's picture

Thanks for clarifying that.

Thanks for clarifying that. But I'm still not sure which set of leaves the flower belongs to unless the flower is itself identifiable. The stalk is hairy and my book says Mouse-ear Hawkweed has a smooth stalk (although the illustration shows a hairy stalk). And a later observation I posted to ispot shows a similar looking flower definitely associated with lobed leaves. Someone else identified it as Rough Hawkbit.

AlanS's picture

Hairs

Mouse-ear Hawkweed is divided into several subspecies on the basis of its hairs (type, distribution). One can argue that these "subspecies" cut across other types of variation and I have long regarded them with a degree of scepticism.

However, this does serve to emphasise the variation in the species (but no variants have lobed leaves). The stems are pretty much always softly hairy.

Rough Hawkbit has stems with usually rather stiffly spreading hairs.

Alan