|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: Onagraceae||View Description||Dichotomous Key|
|Genus: Epilobium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Epilobium torreyi (S. Watson) Hoch & P.H. Raven
Habit: Annual 0.4--6.5 dm, taprooted, +- gray spreading-hairy, peeling proximally. Leaf: opposite only near base (where glabrous), +- sessile, 5--45 mm, +- lance-linear, hairy. Inflorescence: glandular, bracts leaf-like. Flower: generally cleistogamous; hypanthium 0.4--1 mm; sepals 0.7--2 mm; petals 1--3.2 mm, pink or white; stigma club-like or rarely 4-lobed. Fruit: sessile, 8--14 mm, cylindric, beaked, flexible, dehiscent to base; axis disintegrating. Seed: 0.9--1.6 mm, netted; hair-tuft 0. Chromosomes: 2n=18.
Ecology: Seasonally moist streambanks, seeps, roadside ditches; Elevation: 50--2600 m. Bioregional Distribution: NW (exc NCo), CaR, SN, GV, SnFrB, SCoRO, MP, sw DMoj; Distribution Outside California: to British Columbia, Idaho, northern Nevada. Flowering Time: May--Aug
Synonyms: Boisduvalia stricta (A. Gray) Greene; Boisduvalia torreyi (S. Watson) S. Watson
eFlora Treatment Author: Peter C. Hoch
Jepson Online Interchange
Previous taxon: Epilobium siskiyouense
Next taxon: Eremothera
Citation for this treatment: Peter C. Hoch 2016. Epilobium torreyi, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=76888, accessed on February 11, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 11, 2016.