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botanical name:
Lathraea clandestina
Lathraea clandestina © Deeproot Plant Base
common name:  Purple toothwort, Blue toothwort
family:  Scrophulariaceae
characteristics: perennial
height: 0.05m
width: 1.00m
growth rate:
growth habit:
leaf colour: white
flower colour: purple
main season: Spring
aspect: part shade
conditions: moist soil
preferred soil pH: any
minimum temp: -18°C
USDA zone: 7 to 8
description:
Curious, almost leafless, parasitic, rhizomatous perennial with most of its growth being underground. It depends on, and is found near the base of, certain host trees, usually Salix, Populus and Alnus species.
Small, 5mm long, stem-clasping, scale-like white leaves and racemes of tubular, two-lipped, violet-purple flowers borne just above the ground in spring.

cultivation:
Moist, well drained soil in part shade. Mulch with leaf mould in autumn.

propagation:
Sow seed at the base of a suitable host tree.

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