Authors: C. Stace, R. van der Meijden (ed.) & I. de Kort (ed.)
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Scientific name:

Utricularia minor

Vernacular name:

Bladderwort, Lesser


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Utricularia ochroleuca - Bladderwort, Pale
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Lesser Bladderwort

Scientific name: Utricularia minor L.

Diagnostic features
Stems usually of 2 sorts, sometimes all floating, to 40cm.
Quadrifids with long/short arm ratio 1.2-2, with 2 short arms swept up to point same way as 2 long arms hence diverging at more than 180°.
Glands almost covering whole of inside of corolla-spur.
Corolla greenish- to light-yellow; upper lip c.4 x 3mm; lower lip c.7 x 6mm; spur 1-2mm.

Chromosome number: (2n=36).

Habitat
Native; in boggy pools and fen-ditches.

Distribution
Scattered in suitable places over Britain and Ireland.

This species is keyed out on Page 177: Utricularia, Lentibulariaceae in the Text Key.

Utricularia minor
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Bladderwort, Lesser
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