NAZ Flora: A Photographic, Annotated Catalog of Northern Arizona Vascular Plants. Photo shows Lomatium foeniculaceum var. macdougalii (MacDougal's Biscuitroot). Click here to return to home page.

Ostrya knowltonii

Knowlton's Hophornbeam

Habit of Ostrya knowltonii along the Hermit Trail, Grand Canyon National Park.

Habit, tree in center of image is Ostrya.
Grand Canyon National Park: Along Hermit Trail, about 1/2 mile from Hermit's Rest,
at ca. 6240 feet elevation.

25 April 2002.

 

Foliage silhouette, Ostrya knowltonii, Grand Canyon National Park.

Silhouette of foliage.
Same tree as in top image, five months later.

23 September 2002.

 

Foliage, with immature catkins, Ostrya knowltonii, Grand Canyon National Park.

Foliage, with immature catkins.
Same tree and time as previous image.

23 September 2002.

 

Foliage detail of Ostrya knowltonii, Grand Canyon National Park.

Foliage detail with immature catkins.
Same tree and time as previous image.

23 September 2002.

 

Foliage and catkin detail of Ostrya knowltonii, Grand Canyon National Park.

Young foliage and more mature catkins.
Same tree as in previous image, over four and a half years later.

17 April 2007.

 

Branching habit of Ostrya knowltonii, Grand Canyon National Park.

Branching habit.
Same tree as in previous images, same time as immediately previous image.

17 April 2007.

 

Photographs copyright © Lee Dittmann.


This page last revised 2 May 2007.

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