Ruellia tuberosa

Scientific nameRuellia tuberosa
ACANTHUS FAMILY
Acanthaceae
 
COMMON NAMES
English: bluebell, iron root, large bell-flower, minnieroot, popping pod, ruellia, sheep potato, spearpod
Cambodia: phka arch kok, phka smau, smau leach phtoush
Indonesia: pletekan
Viet Nam: cây Qua no
 
DESCRIPTION
Biennial (lives for 1–2 years) herb, creeping or upright [60 (–70) cm tall], stems four-sided and hairy, swollen and purplish at the nodes with thick, elongated spindle-shaped tuberous roots. Leaves: Green, glossy, almost hairless, simple, oval to eggshaped [5–9 (–18) cm long and 2–4 (–9) cm wide], margins entire, leaf stalk is 5–7 mm long.
Flowers: Mauve to blue-violet, solitary, tubular (5–5.5 cm long and 3.5 cm across), showy.
Fruits: Capsule, hairless, elongated with almost parallel sides (2.2–3 cm long), containing 24–28 seeds.
 
ORIGIN
Colombia, French Guiana, Guyana, Peru, Suriname, Venezuela and the Caribbean.
 
REASON FOR INTRODUCTION
Medicine and ornament.
 
INVADES
Roadsides, railway lines, disturbed land, drainage ditches and lowlands.
 
IMPACTS
Forms dense stands displacing native plants and the organisms associated with them.
 
Source:
Witt, Arne. 2017. Guide to the Naturalized and Invasive Plants of Southeast Asia. CAB International. Retrieved from http://www.cabi.org/cabebooks/ebook/20173158961 on 24 October 2018
FilenameRuellia tuberosa.pdf
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Last updated on 02/14/2019 23:44