Rundblättrige Glockenblume (MVP)

Rundblättrige Glockenblume

Campanula rotundifolia

Summary ⁵

Campanula rotundifolia (harebell) is a rhizomatous perennial flowering plant in the bellflower family native to temperate regions of the Northern Hemisphere.

Adaptations ⁶

If exposed to moist cool conditions during the summer no pause in vegetative growth is exhibited, which suggests that temperature is a limiting factor. C. rotundifolia is more inclined to occupy climates that have an average temperature below 0 °C in the cold months and above 10 °C in the summer.

Description ⁶

Campanula rotundifolia is a perennial species of flowering plant, a slender, prostrate to erect herb, spreading by seed and rhizomes. The basal leaves are long-stalked, rounded to heart-shaped, usually slightly toothed, with prominent hydathodes, and often wither early. Leaves on the flowering stems are long and narrow and the upper ones are unstemmed. The inflorescence is a panicle or raceme, with 1 – many flowers borne on very slender pedicels. The flowers usually have five (occasionally 4, 6 or 7) pale to mid violet-blue petals fused together into a bell shape, about 12–30 mm (0.5–1.2 in) long and five long, pointed green sepals behind them. Plants with pale pink or white flowers may also occur. The petal lobes are triangular and curve outwards. The seeds are produced in a capsule about 3–4 mm (0.1–0.2 in) diameter and are released by pores at the base of the capsule. Seedlings are minute, but established plants can compete with tall grass. As with many other Campanulas, all parts of the plant exude white latex when injured or broken.

The flowering period is long, and varies by location. In the British Isles, harebell flowers from July to November. In Missouri, it flowers from May to August; in Minnesota, from June to October. The flowers are pollinated by bees, but can self-pollinate.

Habitat ⁶

Harebells are native to dry, nutrient-poor grassland and heaths in Britain, northern Europe, and North America. The plant often successfully colonises cracks in walls or cliff faces and dunes.

Associations ⁷

In Great Britain and/or Ireland:
Foodplant / miner
solitary larva of Amauromyza gyrans mines leaf of Campanula rotundifolia
Other: sole host/prey

Foodplant / parasite
telium of Coleosporium tussilaginis parasitises live Campanula rotundifolia

Foodplant / parasite
erumpent apothecium of Leptotrochila radians parasitises live leaf (basal) of Campanula rotundifolia

Foodplant / miner
larva of Phytomyza campanulae mines leaf of Campanula rotundifolia

Foodplant / parasite
telium of Puccinia campanulae parasitises live petiole of Campanula rotundifolia
Remarks: season: 6-8

Foodplant / spot causer
mainly hypophyllous colony of Ramularia hyphomycetous anamorph of Ramularia macrospora causes spots on live leaf of Campanula rotundifolia

Foodplant / spot causer
amphigenous, scattered, immersed, minute, black pycnidium of Septoria coelomycetous anamorph of Septoria obscura causes spots on live leaf of Campanula rotundifolia

Foodplant / feeds on
Strongylocoris leucocephalus feeds on Campanula rotundifolia

Sources and Credits

(c) brewbooks, some rights reserved (CC BY-SA), uploaded by brewbooks, http://www.flickr.com/photos/brewbooks/201448393/
(c) bathyporeia, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/bathyporeia/9016350864/
(c) waen ♡, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/waen/25928857/
Adapted by Bea Steinemann from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Campanula_rotundifolia
(c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Campanula_rotundifolia
(c) BioImages, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/22908990

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