Plant Species of the Bright Angel Trail: unknown species like Penstemon
Characteristics
Identification status: unknown species
Group: Dicot
Family:
Habit:
Grand Canyon Nativity:
First occurrence on Bright Angel Trail: mile 2.13, elevation 5400 feet (1645 m).
Number of plants along Trail: These plants were found in just two different nearby locations along the trail in September 2007, just off-trail at mile 1.75 and on-trail at mile 2.13.
Pictures
From 6 September 2007, mile 1.75:
(Note the purplish stem above that frequently occurs in penstemons.)
From 6 September 2007, mile 2.13:
These are probably the same species, but since there is no old bloom stalk on the plants at mile 2.13, it is not certain that they are the same species.
References
The name used for this taxon in each reference is given below.
2007 Grand Canyon Plant List: .
Vascular Plants of Arizona xxxx: ( not treated yet).
Flora of North America: ( not treated yet).
Huisinga et al 2006: , pp. .
Jepson Manual 1993: , key: p. ; illustration: p. ; description: p. .
Epple and Epple 1995: , photograph #; description: p. .
Phillips et al 1987: , p. .
McDougall 1964: , key: p. ; description: p. .
Kearney and Peebles 1951: , key and range: p. .