Swertia tosaensis
is an annual herb that grows around oligotrophic marshes,
characterized by erect stems 5-30cm long, square cross-sections, and
a branching habit. Leaves are in the shape of an oblanceolate, 2-5cm
in length, with the tips obtusely pointed. Corollas, 2-3cm in
diameter, are white with light purple stripes. Bloom time:
October-November.
Wild plants in and around Shimane
島根とその周辺の野生植物
