R. calostrotum ssp riparium

Species

Botanical Synonyms	R. calciphilum ( Hutch., Kingdon-Ward ) R. kingdonii ( Merr. ) R. nitens ( Hutch. ) R. riparium ( Kingdon-Ward ) R. rivulare ( Kingdon-Ward )
Subgenus	Rhododendron
Section	Rhododendron
Subsection	Saluenensia
First Described	1922 ( Kingdon-Ward )
Origin	Arunachal Pradesh, India, N.E. Burma, S.E. Tibet, N.W. Yunnan 3000-4500 meter
Epiphytic/Terrestrial	terrestrial
Mature Wild Height	100 cm. (3ft.)
Bloom Time	late midseason
Flower	funnel-shaped
Flower Color	violet
Fragrance	?
Leaves	orbicular
Leaf persistence	Evergreen
Plant Hardiness	-15 C (5 F)
Flower Bud Hardiness	?
Additional Hardiness Info	H5

Title R. calostrotum ssp riparium 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 1118, 74 KB medium 1600 x 2330, 280 KB Full 2313 x 3369, 3.9 MB
Title R. calostrotum ssp riparium Photo By Garth Wedemire Date Taken April 22, 2021 Location Private garden, Comox, BC, Canada License CC BY 4.0 Attribution Text: Garth Wedemire via Rhododendra.com, CC BY 4.0 Sizes small 768 x 512, 17 KB medium 1600 x 1066, 76 KB Full 6000 x 4000, 3.4 MB
Title R. calostrotum ssp riparium 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 562, 59 KB medium 1600 x 1170, 235 KB Full 2958 x 2164, 4.7 MB
Title R. calostrotum ssp riparium Photo By Harold Fearing Date Taken May 13, 2020 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 562, 26 KB medium 1600 x 1172, 92 KB Full 4941 x 3620, 4.3 MB Description Seed Comments: RSF 1969/779
Title R. calostrotum ssp riparium Photo By Harold Fearing Date Taken May 13, 2020 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 510, 23 KB medium 1600 x 1060, 75 KB Full 4940 x 3276, 3.5 MB Description Seed Comments: RSF 1969/779
Title R. calostrotum ssp riparium Photo By Harold Fearing Date Taken May 13, 2020 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 530, 31 KB medium 1600 x 1106, 106 KB Full 5003 x 3456, 4.3 MB Description Seed Comments: RSF 1969/779