|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Plantaginaceae||View Description||Dichotomous Key|
|Genus: Penstemon||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Penstemon rattanii A. Gray
Habit: Perennial herb 25--120 cm; herbage +- glabrous. Leaf: main cauline leaves thin, 25--140 mm, narrowly elliptic, slightly narrowed just distal to rounded to truncate base (where widest), shallowly toothed, +- = basal. Inflorescence: glandular. Flower: corolla 20--30 mm, abruptly expanded to throat, generally on upper side, blue-violet, +- white within, glandular outside, floor +- hairy; anther sacs 1.3--1.7 mm, dehiscing full length, valves barely spreading; staminode yellow-hairy. Chromosomes: 2n=16.
eFlora Treatment Author: Margriet Wetherwax & Noel H. Holmgren
Jepson Online Interchange
Previous taxon: Penstemon purpusii
Next taxon: Penstemon rattanii var. kleei
Citation for this treatment: Margriet Wetherwax & Noel H. Holmgren 2017. Penstemon rattanii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37072, accessed on February 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 20, 2017.