Pseudosasa japonica

Common Name: arrow bamboo

Family: Poaceae

Common Synonyms: Arundinaria japonica

USDA Hardiness Zone: 7a-10b

Growth Habit: Bamboo

Origin: Japan and Korea

FISC Category: -

FDACS Listed Noxious Weed: No

Introduction Date: Earliest Florida specimen vouchered in 1967

IFAS Assessment:

• North: HIGH INVASION RISK
• Central: HIGH INVASION RISK
• South: HIGH INVASION RISK

Description

Culms 1-3(5) m tall, to 1.5 cm thick, erect or nodding, finely ridged; nodes slightly raised; sheath scar large; internodes long, finely mottled, with a light ring of wax below the nodes. Culm sheaths to 25 cm, basally glabrous, distally appressed-hispid, persistent; auricles and fimbriae absent; blades 2-5 cm, erect, abaxial surfaces glabrous. Branches usually 1 per node, with no basal buds or branches, sometimes rebranching from more distal nodes. Foliage leaves: sheaths glabrous, edges membranous; auricles absent or small and erect; fimbriae absent or scarce, erect; ligules long, oblique, erose, slightly pubescent, abaxial ligules glabrous to finely ciliate; blades 15-35 cm long, 1.5-5 cm wide, glabrous or abaxial surfaces sporadically shortly red-brown tomentose, light green to glaucous, adaxial surfaces dark green, glossy, glabrous. Spikelets 3.5-10 cm, narrowly cylindrical, curved, with 5-20(25) florets. Lemmas 1.2-1.5 cm, glabrous, often mucronate, mucros about 2 mm; paleas nearly equaling the lemmas, glabrous, keels finely cilate.

Habitat

NA

Comments

NA

Control Methods

• Manual: NA
• Chemical: NA
• Biological: NA

Control Notes

NA

References

IFAS, UF. 2017. Assessment of Non-Native Plants in Florida's Natural Areas. Pseudosasa japonica. https://assessment.ifas.ufl.edu/assessments/pseudosasa-japonica/ Accessed April 3, 2022.

Dave's Garden. 2022. Clerodendrum Species, Japanese Glory Bower. https://davesgarden.com/guides/pf/go/81391/ Accessed April 3, 2022.

Missouri Botanical Garden - Plant Finder. 2022. Pseudosasa japonica (https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=285340).

Boufford, D. E. Fumaria. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico [Online]. 22+ vols. New York and Oxford. Vol. 24 http://floranorthamerica.org/Pseudosasa_japonica. Accessed [3 August 2022].