jonmortin's picture

Slender Trefoil

Observed: 21st August 2012 By: jonmortin
Bristol Regional Environmental Records Centre
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Description:

Not sure if I am correct, so would appreciate some feedback.

Identifications
Species interactions

No interactions present.

Species with which Lesser Trefoil (Trifolium dubium) interacts

Comments

Duxbury Rambler's picture

Flowers look wrong to me more

Flowers look wrong to me more like lesser trefoil.

landgirl's picture

ID

This species is identified by the stalks on the 3 leaflets being equal (very short), rather than a longer stalk on the terminal leaflet. I can't pick this out in the photo.

jonmortin's picture

The stalk on the terminal

The stalk on the terminal leaflet is slightly longer. But what about the numbers of flowers per flower stalk? Less than 10 suggesting Slender Trefoil?

jonmortin's picture

Having said that, my second

Having said that, my second photo (of this same plant) shows very short and equal leaflet stalks...

landgirl's picture

Number of flowers

Stace says (1)2-6(10) for T. micranthum and (3)5-20 for T. dubium, so they overlap in flower numbers. The brackets mean "exceptionally".

cicuta58's picture

Flowers

The individual flowers should have short stalks in micranthum and be a darker yellow. I would plump for T. dubium.

cicuta58

landgirl's picture

Stem

In the second photo, the stem appears sparsely hairy; usually hairless in T. micranthum (Poland). But I agree that the leaflet stalks look equal. Why can't plants read the books!