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botanical name:
Corydalis wilsonii
Corydalis wilsonii © Deeproot Plant Base
family:  Papaveraceae
characteristics: perennial, evergreen
height: 0.20m
width: 0.20m
growth rate:
growth habit:
leaf colour: blue-green
flower colour: yellow & green
main season: Spring
aspect: part shade, shade
conditions: dry soil, moist soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -18°C
USDA zone: 7 to 8
description:
Evergreen blue-green pinnate leaves. Loose racemes of bright yellow flowers with green markings at the tips. Forms a fleshy tap-root.

cultivation:
Well drained, poor gravelly soil, or will grow in stonework gaps. Best with some shade. Dislikes excessive winter wet.

usage:
Alpine house, scree gardens or planting in crevices in stone walls.

other notes:
Native to central China. Introduced by Ernest Wilson.
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