trivial name
size
habit
inflorescence
exposure
temperature range
humidity
water requirements
soil pH
propagation
difficulty
Round-leafed Birthwort
approx. 20-90 cm
perennial, tuberous, suberect herb
brownish-purple with lighter ornamentations
part shade
20-40 °C in summer, hardy to -12 °C
> 50 %
moderately humid all year round
acidic
seeds (stratification period up to 2 years)
2 (1 = very easy, 5 = extremely difficult)