Rhododendron baconii
Section Euvireya: Subsection Euvireya
Height - 9m - terrestrial
Leaves - elliptic - 8 x 3.5cm
Flowers - campanulate - 3.5cm - up to 6 per umbel
Location - Borneo: Sabah, G.Tambuyukon - 2000-2500m
Epithet - after Andrew Bacon, Sabah naturalist
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Rhododendron baenitzianum
Section Euvireya: Subsection Euvireya
Height - 2m - terrestrial
Leaves - elliptic to ovate-elliptic - 25 x 8.5cm
Flowers - funnel-shaped - yellow with orange or pink
lobes - 10cm - up to 15 per umbel
Location - Papua New Guinea: Toricelli Mts., Maboro
Range, Waria River region,
Kawkawsaw Humu, Vulkara Range, Mt. Suckling - 215-1600m
Epithet - after Carl G. Baenitz, 1837-1913, German botanist
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Rhododendron bagobonum
Section Euvireya: Subsection Malesia
Height - to 1.0m - usually epiphytic
Leaves - narrowly obovate - 2.7 x 1.2cm
Flowers - tubular - 1.6cm - solitary
Location - Philippines: Mindanao & Palawan; Indonesia:
Sulawesi & Maluku;
Malaysia: Sabah & Sarawak - 900-2135m
Epithet - after the Bagobone people of the S. Philippines
where the species was first found
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Rhododendron beyerinckianum
Section Phaeovireya
Height - to 5m - terrestrial or epiphytic
Leaves - narrowly ovate - 6 x 3.5cm
Flowers - usually dark red but also white, yellow, greenish
or pink -
tubular-funnel-shaped, curved - 4.5cm - up to 5 per
umbel
Location - Indonesia: W.New Guinea: Main Range from
the Wissel Lakes;
Papua New Guinea: main range east to Mt. Victoria &
Mt. Dayman - 1400 - 4000m
Epithet - after M.W.Beyerinck, 1851-1931, Dutch microbiologist
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Rhododendron blackii
Section Euvireya: Subsection Euvireya
Height - to 3m - mostly terrestrial
Leaves - ovate to orbicular - 7.5 x 6.5cm
Flowers - tubular-funnel-shaped, curved - 6.5cm - up
to 9 per umbel
Location - Papua New Guinea: Western & Southern
Highlands - 2500-3300m
Epithet - after Michael Black, England, who collected
in New Guinea.
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Rhododendron bloembergenii
Section Euvireya: Subsection Euvireya
Height - 3m - terrestrial
Leaves - broadly elliptic - 19 x 4.8cm
Flowers - tubular-funnel-shaped - 7.5cm - up to 10 per
umbel - scented
Location - Indonesia: Sulawesi: Latimodjong Range
Epithet - after S.Bloembergen, Dutch botanist
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Rhododendron borneense ssp. borneense
Section Discovireya
Height - to 2m - terrestrial
Leaves - obovate - 1.8 x 0.8cm
Flowers - tubular - 2cm - usually solitary
Location - Indonesia: Kalimantan; Malaysia: Sabah &
Sarawak; Brunei - 1200-1900m
Epithet - "from Borneo"
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Rhododendron borneense ssp. villosum
Section Discovireya
Height - to 3m - terrestrial
Leaves - narrowly obovate - 1.3 x 0.4cm
Flowers - tubular - 1.5cm - usually solitary
Location - Malaysia: Sabah & Sarawak; Brunei - 1200-1900m
Epithet - "from Borneo"
Differs from ssp. borneense in having consistently
smaller leaves.
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Rhododendron brassii
Section Euvireya: Subsection Malesia
Height - to 2.5m - terrestrial
Leaves - elliptic - 5 x 2.5cm
Flowers - tubular-funnel-shaped - 5cm - up to 6 per
umbel
Location - Indonesia: W.New Guinea: Lake Habbema &
Wamena River - 3200m
Epithet - after Leonard J. Brass, member of several
Archbold Expeditions to New Guinea and
the Solomon Islands.
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Rhododendron bryophilum
Section Phaeovireya
Height - to 2m - epiphytic
Leaves - narrowly elliptic - 5.5 x 2.2cm
Flowers - tubular - 4cm - 2 or 3 per umbel
Location - Indonesia: W.New Guinea: Cycloop Mts. - 1065
- 1830m
Epithet - "moss-loving"
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Rhododendron burttii
Section Euvireya: Subsection Malesia
Height - 0.8m - epiphytic
Leaves - obovate - 2.8 x 1.2cm
Flowers - tubular - 2.3cm - singly or in pairs
Location - Malaysia: Sabah & Sarawak - 1500-1600m
Epithet - after B. L. Burtt, who jointly first collected
this species.
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Rhododendron buxifolium
Section Euvireya: Subsection Malesia
Height - to 5m - terrestrial
Leaves - broadly elliptic - 3.5 x 2.5cm
Flowers - funnel-shaped - 2.6cm - honey-scented - up
to 10 per umbel
Location - Malaysia: Sabah, Mt. Kinabalu - 3100-3900m
Epithet - "with foliage like a Buxus (Box)"
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