R. agastum

Natural Hybrid

Seed Parent	R. irroratum ssp irroratum
Pollen Parent	R. arboreum ssp delavayi var delavayi
Origin	W. Yunnan, E. Guizhou 1900-2500 meter
Epiphytic/Terrestrial	terrestrial
Mature Wild Height	400 cm. (13ft.)
Bloom Time	early midseason
Flower	?
Flower Color	white
Fragrance	?
Leaves	elliptic to lanceolate
Leaf persistence	Evergreen
Minimum Hardiness	-5 C (23 F)
Additional Hardiness Info	H3
Extra Information	There is a lot of discussion about this natural hybrid. Scientific publications say it is a R. irroratum x R. delavayi. Others say that is is a natural hybrid between R. decorum x R. delavayi. The seeds collected for the above plant where collected in a population where R. decorum and R. delavayi where omnipresent, and R. irroratum was rarely seen. (see also this article)

Title agastum Photo By Herman Van Ree Date Taken May 5, 2010 Location Royal Windsor Great Park, Valley, Berkshire, UK License Copyright, Herman Van Ree. Sizes small medium
Title agastum Photo By Garth Wedemire Date Taken April 15, 2008 Location Mike Bale’s Garden: Lu Zhu, Agassiz, BC, Canada License CC BY 4.0 Attribution Sizes small medium
Title agastum Photo By Didier Willery Date Taken May 15, 2012 Location Le jardin du Vasterival License Copyright, Didier Willery. Sizes small medium
Title agastum Photo By Herman Van Ree Date Taken November 21, 2009 Location Nunspeet, Netherlands License Copyright, Herman Van Ree. Sizes small Description Young plant from seeds collected in Jin Po, Guizhou (China) (2008)