Similar is not the same

Creeping Water Primrose (Ludwigia peploides), shown below, is a flowering plant that is widespread throughout the hemi-marsh at Huntley Meadows Park.

A former naturalist at the park told me this plant is Creeping Primrose Willow (Ludwigia repens). Turns out she was partly right: right genus; wrong species.

Creeping Water Primrose (Ludwigia peploides)

30 September 2014

Creeping Primrose Willow looks similar to Creeping Water Primrose, although they are not the same: Ludwigia repens flowers have four petals; Ludwigia peploides flowers have either five- or six petals.

I have taken many photographs of this beautiful flowering plant during a period spanning several years beginning in 2011. I reviewed all of those photos and in every case, the little yellow flowers have five petals.

Editor’s Note: Thanks to Matt Ryan, naturalist at Huntley Meadows Park, for help in correctly identifying the species of flowering plant shown in my photo.

Copyright © 2015 Walter Sanford. All rights reserved.

Advertisements

Tags: , , , ,

One Response to “Similar is not the same”

  1. Twelve-spotted Skimmer dragonflies (males) | walter sanford's photoblog Says:

    […] looking species of dragonfly found in the western United States, but as I said in a recent post, similar is not the same. Contrast the wing spots nearest the wing tips for males of both species: notice those spots are […]

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s


%d bloggers like this: