R. mariesii

Species

Botanical Synonyms	R. gnaphalocarpum ( Hayata ) R. gynaphalocarpum R. shojoense ( Hayata ) R. umbelliferum ( H.Lév. )
Subgenus	Tsutsusi
Section	Brachycalyx
Subsection
Introduced	1886
First Described	1907 ( Hemsl., E.H. Wilson )
Origin	S. and Central China. Taiwan 350-1200 meter
Epiphytic/Terrestrial	terrestrial
Mature Wild Height	250 cm. (8ft.)
Bloom Time	early midseason
Flower	funnel-shaped
Flower Color	purple
Fragrance	?
Leaves	ovate-lanceolate
Leaf persistence	Evergreen
Plant Hardiness	-5 C (23 F)
Flower Bud Hardiness	?
Additional Hardiness Info	H3

Title R. mariesii Photo By Harold Fearing Location Fearing's Farm Nursery, Abbotsford, BC, Canada License CC BY-SA 4.0 Attribution Text: Harold Fearing via Rhododendra.com, CC BY-SA 4.0 Sizes small 768 x 654, 21 KB medium 1600 x 1362, 76 KB Full 2892 x 2463, 2.7 MB Description Collection Number: PW-10
Title R. mariesii Photo By Thatrhodylady Date Taken April 25, 2026 Location Rhododendron Species Botanical Garden License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 432 x 768, 101 KB medium 1012 x 1800, 551 KB Full 2296 x 4080, 4.7 MB Description R. mariesii small deciduous shrub.
Title R. mariesii Photo By Thatrhodylady Date Taken April 25, 2026 Location Rhododendron Species Botanical Garden License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 648 x 1152, 75 KB medium 1350 x 2400, 300 KB Full 2296 x 4080, 3 MB Description R. mariesii flowers.
Title R. mariesii Photo By Thatrhodylady Date Taken April 25, 2026 Location Rhododendron Species Botanical Garden License CC BY 4.0 Attribution Text: Thatrhodylady via Rhododendra.com, CC BY 4.0 Sizes small 648 x 1152, 54 KB medium 1350 x 2400, 243 KB Full 2296 x 4080, 2.9 MB Description R. mariesii flower and stamen.
Title mariesii Photo By unknown Date Taken Location License Copyright, unknown. Sizes small
Title mariesii Photo By unknown Date Taken Location License Copyright, unknown. Sizes small