Rhododendron Species


Gallery: ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

R. macrosepalum

SubgenusTsutsusi
SectionTsutsusi
Subsection
Synonyms
Azalea stenopetala
In cultivation since: ?

First described: 1856, (Maxim.
Carl Johann Maximowicz
(1827-1891)
Russia, Tula
Botanical-short: Maxim.
)

Origin:

Corolla: unknown
Leaves: unknown

Habit: terrestrial
epiphytic = living on dead organic material (decaying trees f.i)
terrestrial = in soil (like in your garden)

Winter: evergreen
Bloomtime: unknown
Hardiness:
H0 = 0 C (32 F)
H1 = -7 C (20 F)
H2 = -12 C (10 F)
H3 = -15 C (5 F)
H4 = -18 C (0 F)
H5 = -24 C (-10 F)


Predominant color: ????

Height
Height
The figures listed here are the observed size in the natural environment.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
: ?

Registered
In 'Your Garden' you can administrate
your rhododendrons.

To try/see this go 'Home' (top-right).
on hirstum.info: 3
R. macrosepalum per country:
(could be a clue for heat/cold-tolerance)

Canada : 1
United States : 1
Netherlands : 1



Clones / selections
'Amagashita', 1918, Japan, , no hybridiser registration
'Tamaya-murasaki', 1692, Ito, Ihei, Register from 1692, Japan


Send questions, information or pictures





Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. macrosepalum is directly involved:     show indirect inv.
'Fuji-manyo', 1819, Japan, , no hybridiser registrationR. macrosepalum x R. mucronatum var ripense
'Offwell', 1975, Bawden, H.E., , R. eriocarpum 'Gumpo' x R. macrosepalum

_____________________________________________________________________________________________________________________________________
Rhododendron Species   Hirsutum.info     Project started 03 June 2009