*Lonicera japonica Thunberg. Japanese Honeysuckle. Phen: (Mar-) Apr-Jun; Aug-Oct. Hab: Nearly ubiquitous, especially common in the Piedmont and Coastal Plain and in mesic habitats. Dist: Native of e. Asia.

ID notes: Distinguished readily from L. sempervirens by its often pubescent stems (vs. glabrous).

Origin/Endemic status: E. and se. Asia

Other Comments: Schweitzer & Larson (1999) reported on the physiological characteristics that make L. japonica a successful invasive species, namely morphological plasticity and climbing resource allocation.

Synonymy ⓘ: = Ar, C, Fl7, G, GrPl, GW2, K1, K3, K4, Mi, Mo2, NcTx, NE, NY, Pa, RAB, Tat, Tn, Tx, Va, W, WH3, WV, Ferguson (1966a); = Nintooa japonica (Thunb.) Sweet – S; > Lonicera japonica Thunb. var. chinensis (P.Watson) Baker – F, Il, Rehder (1903); > Lonicera japonica Thunb. var. japonica – F, Il, Rehder (1903)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU
• Eastern Mountains and Piedmont: FACU
• Great Plains: FACU
• Midwest: FACU
• Northcentral & Northeast: FACU

Heliophily ⓘ: 6