BioImages: The Virtual Field-Guide (UK)

Puccinia thesii Chaillet, 1830 (Bastard Toadflax Rust)

Date: 10 June 2005
Location: South Wiltshire, England
Voucher: 10/06/2005[C]
(Please quote this in any queries about this record)
State: Aecia (I)
Record Summary: Rust on Bastard Toadflax
Associated organism: on live leaves of Thesium humifusum
Identification Notes: Infected plants erect but shorter and non-flowering.

Aecia on both surfaces of leaves: at first with white peridium, but this soon lost.

Peridial cells: with outer surface finely striate, inner surface deeply granular.

Aeciospores: 18-20.5µm, globose to subglobose.

Images etc

naked eye photograph Aecia - highly enlarged 500 by 289 pixels
magnified photograph Aecia - on leaf lower surface - magnified 500 by 332 pixels
magnified photograph Aecia - on leaf lower surface - magnified 500 by 332 pixels
magnified photograph Aecia - on leaf lower surface - magnified 500 by 332 pixels
magnified photograph Aecia - young, still with peridium - on leaf upper surface - magnified 500 by 455 pixels
magnified photograph Aecia - young, still with peridium - on leaf upper surface - magnified 500 by 377 pixels
magnified photograph Aecia - young, still with peridium - on leaf upper surface - magnified 500 by 474 pixels
naked eye photograph In situ - close-up 332 by 500 pixels
naked eye photograph Infected leaves - enlarged 332 by 500 pixels
naked eye photograph Infected shoots - close-up 352 by 500 pixels
microscope photograph Aecioid peridial cells - magnified 499 by 500 pixels
microscope photograph Aeciospores - magnified 479 by 500 pixels
microscope photograph Aeciospores - magnified 500 by 403 pixels
microscope photograph Aeciospores - magnified 500 by 413 pixels
microscope photograph Peridial cells - edge view - magnified 38 Kb 315 by 384 pixels
microscope photograph Peridial cells - magnified 63 Kb 488 by 418 pixels
microscope photograph Peridium - inner surface - magnified 500 by 376 pixels
microscope photograph Peridium - inner surface - magnified 500 by 311 pixels
microscope photograph Peridium - magnified 500 by 499 pixels
microscope photograph Peridium - outer surface - magnified 500 by 457 pixels
microscope photograph Peridium - outer surface - magnified 441 by 500 pixels

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