Photo-gallery:

Viola rupestris, Teesdale Violet
V. riviniana, Common Dog-violet
Viola × burnatii (the hybrid V. riviniana × V. rupestris)

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Photos:
1-24:
V. rupestris
25-36: 
V. riviniana
37-40:
V. × burnatii
41: Campanula rotundifolia

[photos © FJR]

IMAGE  1

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First experience of Viola rupestris, Widdybank, May 1970!

IMAGE  2

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Viola rupestris discovered on Ingleborough, Sulber Gate, 25 May 1976

IMAGE  3

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Viola rupestris: typical stunted flowering plant on Sulber, May 1977

IMAGE  4

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Viola rupestris: more robust plant on Sulber, May 1977, in Sesleria

IMAGE  5

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Viola rupestris: colony on Moughton Fell, 1998 ...

IMAGE  6

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... crop of previous: note top-right a dehisced capsule and some detached capsule valves

IMAGE  7

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Viola rupestris: patch of small rosettes, Norber, October 2012

IMAGE  8

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Viola rupestris: strong rosettes, Crummack, October 2012

IMAGE  9

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Viola rupestris: rosettes of immature plant, Crummack, October 2012

IMAGE  10

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Viola rupestris: variation in leaf-shape; note small basal lobes with sharp angles

IMAGE  11

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Viola rupestris: typical leaf, "ovate-truncate"; note tiny hairs on basal lobe

IMAGE  12

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Viola rupestris: dense indumentum of very short hairs on petiole: diagnostic!

IMAGE  13

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Viola rupestris: note indumentum on petioles of first leaves, but none on petioles of younger leaves, foreground

IMAGE  14

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Viola rupestris and V. riviniana leaves together

IMAGE  15

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Viola rupestris: typical small plant with ripe capsule, Crummack

IMAGE  16

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Viola rupestris: fruiting plants with ripe capsules on erect peduncles, Long Fell

IMAGE  17

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Viola rupestris: strong plant with dehisced capsules, Norber, 6 October 2012

IMAGE  18

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Viola rupestris: ripe capsule; note rounded apex

IMAGE  19

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Viola rupestris: white-flowered population, Arnside Knott

IMAGE  20

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Viola rupestris: white-flowered population, Arnside Knott

IMAGE  21

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Viola rupestris: habitat in Crummackdale; Moughton Fell (in shade), Penyghent beyond (MSP attempting ID of plants in situ)

IMAGE  22

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Viola rupestris: habitat in Crummackdale; slope of calcareous drift

IMAGE  23

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Viola rupestris: habitat in Crummackdale; slope of calcareous drift - also on hilltop beyond

IMAGE  24

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Viola rupestris: habitat on E slope of Norber, Crummackdale

IMAGE  25

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Viola riviniana: typical lowland shade form, with capsules, Wetheral garden, October...

IMAGE  26

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As previous, annotated

IMAGE  27

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Viola riviniana: typical upland form, Crummack, November

IMAGE  28

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Viola riviniana: typical upland form, Crummack, November; hairs visible on leaf-margin (left)

IMAGE  29

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Viola riviniana: typical upland form with dehisced capsule

IMAGE  30

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Viola riviniana: leaves, 'heart-shaped' or 'ace-of-clubs', with broad basal lobes; (right) showing basal lobes incurved (often even into maturity)

IMAGE  31

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Viola riviniana: very hairy form, but hairs only become obvious when...

IMAGE  32

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... viewed from the side. Hairs much longer (ca. 8×) than in rupestris

IMAGE  33

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Viola riviniana: note hairs

IMAGE  34

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Viola riviniana: hairs very obvious when side-lit

IMAGE  35

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Viola riviniana: some hairs should normally be found towards the margins on any leaf

IMAGE  36

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Viola riviniana: capsule elongated (vs. rupestris) and variably more pointed

IMAGE  37

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Viola × burnatii: cultivated plant, May

IMAGE  38

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Viola × burnatii: cultivated plant, May

IMAGE  39

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Viola × burnatii: cultivated plant, May; leaf generally intermediate between parents

IMAGE  40

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Viola × burnatii: cultivated plant, September: note some cleistogamous (non-opening) flowers still initiating, but aborting; shrivelled brown remains. (Cultivated plant: shoots are much shorter on upland plants in wild.)

IMAGE  41

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Basal leaves of Campanula rotundifolia - Harebell - catch the eye when looking for violets!