|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: Malvaceae||View Description||Dichotomous Key|
|Genus: Hibiscus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Hibiscus trionum L.
Habit: Annual, bristly. Stem: erect, 0.3--0.6 m, branches prostrate or not. Leaf: blade +- 5 cm, 2--3 cm wide, 3--5-lobed or -divided, coarsely toothed, stellate-hairy abaxially, glabrous adaxially. Inflorescence: flowers 1 in leaf axils; bractlets 10, free +- to base, 7--8(10) mm, << calyx. Flower: calyx fused +- to tip, 5-ridged or -winged, veiny, inflated, papery in fruit; petals +- 2 cm, yellow, base purple-black; filament tube +- 11 mm. Fruit: 1.5--2 cm, enclosed within, <= calyx. Seed: 2--2.5 mm, reniform, sparsely hairy. Chromosomes: 2n=28,56.
Ecology: Uncommon. Disturbed places; Elevation: generally < 350(1450) m. Bioregional Distribution: CA-FP; Distribution Outside California: native to Europe, central Africa. Flowering Time: Apr--Nov
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Previous taxon: Hibiscus lasiocarpos var. occidentalis
Next taxon: Horsfordia
Citation for this treatment: Steven R. Hill 2016. Hibiscus trionum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28237, accessed on May 28, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 28, 2016.