Scientific Name:
Lonicera japonica
Pronunciation:
loh-NISS-er-ah juh-PON-ih-kuh
Common Name:
Japanese honeysuckle
Family Name:
Caprifoliaceae
Plant Type:
Invasive plant, Semi-evergreen, Vine - deciduous
Key ID Features:
Leaves opposite, most ovate, 4-8cm long x 2-4cm wide, margin usually entire (juvenile leaves may be lobed), dark green; flowers are yellow and have a sweet scent; berries ~7mm wide, blue-black. Winter ID: rhizomes, runners, twining stems, exfoliating bark.
Habit:
Fastigiate
Form:
Climbing, Irregular
Texture:
Medium
Mature Height:
7 - 10m
Mature Spread:
3 - 4m
Growth Rate:
Fast
Origin:
S.E. Asia / Japan / China
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Acidic, Alkaline, Rocky or gravelly or dry
Landscape Uses:
Arbors or trellis, Attract birds, Attract butterflies, Fragrance, Ground cover, Screening, Summer interest
Additional Info:
Google. Cultivars shown or on campus may include L. 'Purpurea and L. 'Halliana'. Compare to European honeysuckle.
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Opposite
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Green, Purple, Petioles and major veins are purplish.
Colour in Fall:
Yellow
Shapes:
Elliptic, Oblong, Ovate
Apices:
Acute, Obtuse
Bases:
Attenuate
Margins:
Entire
Inflorescence Type:
Flowers paired, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Campanulate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Yellow, Pink, Red, Dark-red (Maroon outside and yellowish to white inside.)
Flower Scent:
Fragrant, Sweet
Flower Time at Peak:
May, Jun, Jul, Aug, Sep, Oct
Additional Info:
Intensely fragrant.