Carnivorous Plants

GREAT BUTTERWORT

LARGE-FLOWERED BUTTERWORT

Pinguicula grandiflora

Bladderwort Family [Lentibulariaceae]

month8may month8jun month8june

status
statusZnative
flower
flower8purple
inner
inner8indigo
morph
morph8zygo
petals
petalsZ5
type
typeZspurred
stem
stem8round
rarity
rarityZscarce
sex
sexZbisexual

1st June 2004, Ireland. Photo: © Phil And Ann Farrer
Flowers larger than Common Butterwort, but the colour is similar, dark purple.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
Spur on the rear of the flower sturdier that than on Common Butterwort. Stems grading green to browny-purple near the top, no stem leaves. Basal leaves are curled inwards, pale green, and like those of Common Butterwort have slippery hairs upon which insects come to their doom, before being dissolved into a soup that the plant can absorb as nutrient, for Butterworts are carnivorous. The ovate-oblong leaves (of which there are only basal ones) are the same size as those of Common Butterwort, between 2 to 8cm long. The pedicel (stema) are also the same 5 to 18cm long. But the corolla is larger at 25 to 35mm including the longer spur which is 10 to 14mm long.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
Throat of flower has darker streaks and is whiter within.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
Flower exhibits Bi-lateral symmetry with three lower lobes, two upper lobes. Hairs in throat of flower. The white patch in the throat of the flower is longer than that of Common Butterwort.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
The spur at the back of the flower is a similar colour to that of the flower stem. Both are hairy.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
An albino (or slightly blue tinted) version with faint violet streaks in the throat.


1st June 2004, Ireland. Photo: © Phil And Ann Farrer
Slippery hairs on the inside of the in-curled basal leaves trap insects.


Easily mistaken for : Common Butterwort but that is shorter and the spur behind the flower is less stout.

Hybridizes with : Common Butterwort to produce Pinguicula × scullyi (Pinguicula grandiflora × vulgaris), but this hybrid is found in only one small part of southern Ireland, a much smaller area than what Great Butterwort occupies.

No relation to : Butterbur or White Butterbur [plants with similar names].

Found mainly in the South West corner of Ireland. Likes moist or wet ground, bogs and acidic uplands.

Unlike tropical species of Butterworts which have heterophyllous leaves (leaves of two sorts depending upon season) the temperate species as exist in the UK are all momophylous (having just one type of leaf). It over-winters as a bud.

This is a  Carnivorous plant with much the same modus operandi for trapping and digesting small insects as Common Butterwort employs.


  Pinguicula grandiflora  ⇐ Global Aspect ⇒ Lentibulariaceae  

Distribution
 family8Bladderwort family8Lentibulariaceae
 BSBI maps
genus8Pinguicula
Pinguicula
(Butterworts)

GREAT BUTTERWORT

LARGE-FLOWERED BUTTERWORT

Pinguicula grandiflora

Bladderwort Family [Lentibulariaceae]

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