NAZ Flora: A Photographic, Annotated Catalog of Northern Arizona Vascular Plants, published by Mindbird Maps & Books

Amsonia palmeri

Palmer's Bluestar

A member of the Apocynaceae, the Dogbane Family

Flowers of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Cerbat Foothills Recreation Area, BLM, near Kingman: Flowers.
Along Monolith Garden Trail along wash; elevation ca. 3450 feet.

19 March 2011.

 

Inflorescence of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Inflorescence.
Same plant as in prior image.

19 March 2011.

 

Inflorescences of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Blooming and budding inflorescences among green foliage of current season and dry
stems and foliage of prior season.
Same plant as in prior images.

19 March 2011.

 

Habit of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habit, with tape measure showing scale in inches.
Prior season's dry foliage hiding much of the current season's growth.
Same plant as in prior images.

19 March 2011.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat.  About two dozen specimens visible in and along the wash.
The plant in the prior images is at lower center.

19 March 2011.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat.  Same area as prior image, from opposite side.
The specimen featured in the prior images is here shown in the background
to the right of the road.

19 March 2011.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat of budding specimens.
Same area as prior images.

19 March 2011.

 

Habit of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habit of budding specimen, with tape measure showing scale in inches.
Same area as prior images.

19 March 2011.

 

Habit of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Budding inforescences with tape to show scale in inches.
Same area as prior images.

19 March 2011.

 

Budding inflorescence of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Budding inforescence.
Same specimen as in prior image.

19 March 2011.

 

Cauline leaves of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Cauline leaves.
Same specimen as in prior image.

19 March 2011.

 

Habit of Amsonia palmeri with budding flowers, Cerbat Foothills Recreation Area, Arizona

Habit, with flowers budding viewed from above.

Cerbat Foothills Recreation Area, BLM.
Along wash on apparently unnamed trail of Monolith Garden trail; elevation ca. 3550 feet.

19 March 2011.

 

Habit of Amsonia palmeri with fruit, Cerbat Foothills Recreation Area, Arizona

Habit, with open fruit; tape shows scale in inches.

Cerbat Foothills Recreation Area, BLM.
Along wash on trail west of Metwell Drive trailhead parking lot; elevation ca. 3530 feet.

9 September 2010.

 

Fruiting inflorescences of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Fruiting inflorescences with open, dry follicles.

Same specimen as in prior image.

9 September 2010.

 

Fruiting inflorescence of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Fruiting inflorescence, with open, dry follicles.

Same specimen as in prior image.

9 September 2010.

 

Seeds of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Four seeds.  The background is gridded in 1/10 inch squares.

Extracted from specimen in prior image, or from same location.

9 September 2010.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat, the Amsonia occupying the bottom and margins of the wash.

Same ravine as specimens in prior images, but lower down.

9 September 2010.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat, the Amsonia in yellowish-green clumps along the wash.

Cerbat Foothills Recreation Area, Cook Canyon; elevation ca. 3470 feet.

9 September 2010.

 

Habit of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habit in winter dormant state.

Cerbat Foothills Recreation Area, western tributary of Cook Canyon; elevation ca. 3500 feet.

9 January 2011.

 

Habitat of Amsonia palmeri, Cerbat Foothills Recreation Area, Arizona

Habitat, the Amsonia dormant in straw-colored clumps in the wash.

Same location as prior image.

9 January 2011.

 

Photographs copyright © Lee Dittmann

This page created 20 March 2011; revised 25 March 2011.

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