lavateraguy's picture

Unknown plant

Observed: 30th June 2013 By: lavateraguylavateraguy’s reputation in Plantslavateraguy’s reputation in Plantslavateraguy’s reputation in Plantslavateraguy’s reputation in Plantslavateraguy’s reputation in Plants

No photographs - the plant was growing in deep shade in woodland, and (combined with an overcast sky) it was too dark for photography.
Small (maybe 15 cm high) decumbent (possibly ascending - I didn't note this at the time) plant with opposite leaves and small yellow flowers. No obvious indumentum on any part of the plant.
Flowers solitary in leaf axils on long slender pedicels. Corolla pentamerous, choripetalous (or nearly so), about 8mm across. Calyx of 5 free linear sepals. Stamens estimated at 10. Thought to be one carpel, but I couldn't get a clear view.
Leaves opposite, elliptic, with an appearance that could pass for Epilobium or Lysimachia.
I've been through the illustrations in couple of books and didn't find any plausible candidates - the nearest was Saxifraga, but it's not a match for any species.

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landgirl's picture


Well, I have to say from that description that it sounds like Lysimachia nemorum, but you would recognise that, and the flowers are often in pairs. Not Hypericum humifusum?

Tim Rich's picture

just seen Landgirl got there

just seen Landgirl got there first!

Tim Rich

lavateraguy's picture

After reconsideration ...

... I agree that it must be Lysimachia nemorum. It's not Hypericum humifusum which has narrower leaves, and a more creeping habit.

I would expect to recognise Lysimachia nemorum, which I've recorded from at least 16 sites (there may be more in my backlog of field notes) (only 3 this year, but one was only a week ago), but this one didn't trigger the recognition pattern at all. From memory, it was a less robust plant (not that Lysimachia nemorum is particularly robust), with more erect stems, and smaller flowers (but the measured size matches that given in Stace) than I would expect for Lysimachia nemorum. Perhaps the differences are the result of etiolation in deep shade.