Rhododendron tschonoskii Maxim.

Rhododendr. As. Orient. 42, t.3 (1870)

WFO ID: wfo-0000405632

IPNI ID: urn:lsid:ipni.org:names:333517-1

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Description

Much-branched shrub, 0.3-1.5m; young shoots densely covered with adpressed flattened rufous hairs. Leaves monomorphic, chartaceous, lanceolate to elliptic, 1-3.5 x 0.3-lcm, 2-2.3 x as long as broad, apex acute, base cuneate, margin entire, both surfaces with scattered adpressed whitish to pale brown villous hairs, especially on midrib; petioles l-5mm, covered with adpressed red-brown hairs. Inflorescence 3-6-flowered, flowers appearing after leaves; pedicels c.3mm, covered with adpressed whitish hairs. Calyx minute, covered with flattened pale brown strigose hairs, lobes c.lmm, Corolla 4-5-lobed, funnel-shaped, white, 7-9mm; tube cylindrical, c.5mm, glabrous on outer surface, hairy within. Stamens 4-5, longer than corolla, filaments pubescent below the middle. Ovary densely covered with pale brown strigose hairs; style glabrous. Capsule ovoid, 2-5mm long, densely strigose. ** * Rhododendron tschonoskii * var. * trinerve * ** Leaves 3-nerved, 20-35mm long ** * Rhododendron tschonoskii * var. * tschonoskii * ** Leaves 4-5-nerved, 10-20mm long

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References

Chamberlain, D.F. & Rae, S.J. (1990) A Revision of Rhododendron IV Subgenus Tsutsusi. Edinburgh Journal of Botany 47(2):130