West Highland Flora

Oblong-leaved Sundew


Drosera intermedia

 

Drosera intermedia

Photo Craig Robson
(Kentra Moss, Loch Shiel, 7 July 2004)

Rare, in boggy ground.  Some past records of this species are believed to be errors.  Any finds are worth reporting.

Flower diameter c 2-4 mm (no flower pics yet).  Leaf-blade up to c 10 mm x 5 mm.  Leaf-stalk up to c 4 cm.  Flowering stem usually no more than 5 cm tall.

ID: Leaves as shown, intermediate in shape between Round-leaved Sundew and typical Great Sundew, but there is some overlap with Great Sundew, and the leaves are very similar to Hybrid Sundew.  Flowering stem generally not much longer than leaves (about twice as long in Great S and even longer in Hybrid S).  Flowering stem curved at base, arising from beneath the leaves.  In Great and Hybrid S, it arises from the centre of the leaf rosette, but fresh leaves may grow from above its base afterwards.

Other features: Leaf-stalk round or oval in cross-section.  In other Sundews the leaf-stalk is flattish.  Flowering stem of uniform width (in other species, narrower at the top).  Leaf-stalk never hairy (sometimes hairy in other sp),  Seeds unwinged (winged in all other sp).  Fruit-capsule broadest below middle (broadest above middle in Great S).

 

Drosera intermedia

Photo Craig Robson
(Kentra Moss, Loch Shiel, 7 July 2004)

 

Drosera intermedia

Photo Craig Robson
(Kentra Moss, Loch Shiel, 7 July 2004)


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