Arisaema flavum ssp. tibeticum
Price is for one small tuber for growing on as photographed. A vigorous, eastern Himalayan sub-species that is taller and has larger, pure yellow, scented flowers than the normal A. flavum and also lacks the purple interior of the spathe. Flowering May to June. Height 45 cm. Humus rich, well-drained soil in sun to light shade. A hardy species, though keep frost free until the tubers are more mature.