|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: Caprifoliaceae||View Description||Dichotomous Key|
|Genus: Lonicera||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lonicera japonica Murray
Habit: Twining; herbage glabrous or soft-hairy. Leaf: generally 3--8 cm; blade oblong to ovate, base rounded, tip +- acute. Inflorescence: flowers paired, each pair subtended by 2 leaf-like bracts, 4 +- round bractlets, bractlets +- 1/2 ovary; peduncle 5--10 mm. Flower: corolla 25--40 mm, strongly 2-lipped, white turning yellow, often tinged +- purple, tube hairy; stamens, stigma exserted. Fruit: black. Chromosomes: 2n=18.
Ecology: Disturbed places; Elevation: generally < 1000 m. Bioregional Distribution: Deltaic GV, n CCo, SCo, SnGb, expected elsewhere; Distribution Outside California: abundant in southeastern United States; native to Asia. Flowering Time: May--Jul Note: Sporadic escape from cultivation.
eFlora Treatment Author: Charles D. Bell & Lauramay T. Dempster
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Lonicera involucrata var. ledebourii
Next taxon: Lonicera subspicata
Citation for this treatment: Charles D. Bell & Lauramay T. Dempster 2017. Lonicera japonica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31508, accessed on January 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 20, 2017.