Periwinkle Rust - Puccinia vincae

Description

A rust fungus affecting Greater Periwinkle (Vinca major). Uredinia brown; spores pear-shaped with 3 ± equatorial pores. Telia dark brown; spores two-celled. The fungus is systemic; infested shoots remain sterile and stand erect, the leaves are abnormally small.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.

Habitat

Mainly occurs on Vinca major, not on Vinca minor.

When to see it

When the host plant is in leaf.

UK Status

It seems to be widespread in England and Wales but is not well recorded.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map