|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 cleistogamum (Curran) Hoch & P.H. Raven
Habit: Annual 1.5--3.2 dm, peeling proximally, occasionally with prostrate basal branches, +- glabrous to spreading-hairy. Leaf: opposite only near base, +- sessile, 15--55 mm, linear to narrowly elliptic; distal leaves hairy, often folded along midrib. Inflorescence: leafy, spreading and glandular hairy. Flower: generally cleistogamous; hypanthium 0.5--1 mm; sepals 1--3 mm; petals 2--5.5 mm, white to pale pink; stigma head-like or occasionally barely 4-lobed. Fruit: 8--12 mm, sharply 4-sided, tough, sessile, splitting only on distal third; central axis disintegrating. Seed: in 2 rows per chamber, 1--1.5 mm, netted, glabrous, hair-tuft 0. Chromosomes: 2n=30.
Ecology: Vernal pools, clay flats; Elevation: < 300 m. Bioregional Distribution: SNF, GV, SCoRO. Flowering Time: May--Jul
Synonyms: Boisduvalia cleistogama Curran
eFlora Treatment Author: Peter C. Hoch
Jepson Online Interchange
Previous taxon: Epilobium clavatum
Next taxon: Epilobium densiflorum
Citation for this treatment: Peter C. Hoch 2017. Epilobium cleistogamum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=76883, accessed on March 27, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 27, 2017.