| Rhododendron ripense
is a semi-evergreen shrub, 1-1.5m in height, inhabiting bank rocks
of rivers where it gets possibly flooded when risen. Barks are
gray-black, and braches have long hairs facing diagonally upwards.
Leaves are of alternate phyllotaxis, all gathering at the branch
tops; spring leaves are 3-5cm in length, 0.8-1.5cm in width, in the
shape of lanceolate or oblanceolate, both ends pointed, and there
are many light brown hairs on either side of the leaves and margins.
Summer leaves are smaller, oblanceolate, thick in texture, and pass
winter. Flowers, red-purple, appear a few each on the branch tops
simultaneously when the leaves develop. Corollas, 4-6cm,
funnel-shaped, and cut in five - dark dots are on the upper three
lobes. April-May. |
Wild plants in and around Shimane
島根とその周辺の野生植物