BioImages: The Virtual Field-Guide (UK)

Epilobium tetragonum L. (Square-stalked Willowherb)

Date: 29 July 2002
Location: Berks, England
State: Plant
Identification Notes: Hairs appressed.
Leaves glabrous, exceptfor underside of nerve and line around underside of margin.
Abundant seed in unripe pods.
Pods ≤ 85mm
Stace: BCE..L

Images etc

magnified photograph Capsule portion - magnified 97 by 500 pixels
magnified photograph E. tetragonum (L) and E. obscurum (R) 293 by 500 pixels
magnified photograph Flower - magnified 163 by 500 pixels
magnified photograph Flower - two petals removed - magnified 219 by 500 pixels
magnified photograph Flower and ovary - magnified 123 by 500 pixels
magnified photograph Flowers - magnified 302 by 500 pixels
magnified photograph Flowers and infloresence 500 by 472 pixels
magnified photograph Flowers, buds and capsule 253 by 500 pixels
magnified photograph Hairs on hypanthium - magnified 400 by 500 pixels
magnified photograph Inflorescence - enlarged 495 by 500 pixels
magnified photograph Inflorescence 264 by 500 pixels
magnified photograph Leaf - lower surface - magnified 500 by 326 pixels
magnified photograph Leaf - upper surface - magnified 500 by 305 pixels
magnified photograph Leaf - upper surface 500 by 114 pixels
magnified photograph Leaf - under surface 500 by 120 pixels
magnified photograph Leaf tip - lower surface - magnified 500 by 224 pixels
magnified photograph Ovary portion - magnified 181 by 500 pixels
magnified photograph Petal - magnified 52 Kb 213 by 369 pixels
magnified photograph Plant - lower portion 284 by 500 pixels
magnified photograph Plant - mid portion 500 by 412 pixels
magnified photograph Plant - upper portion 141 by 500 pixels
magnified photograph Stem portion - magnified 226 by 500 pixels
magnified photograph Upper stem - magnified 350 by 500 pixels

Creative Commons License
Unless otherwise expressly stated, all original material on the BioImages website by
Malcolm Storey is licensed under a Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales