American Rhododendron Society Plant Registry
The following rhododendron and azalea names, submitted through the North American registrar, were approved and added to the International Rhododendron Register prior to May 1, 1998 by the Royal Horticultural Society, International Registration Authority for the genus
Rhododendron
. Names conform to the rules and recommendations of the
International Code of Nomenclature for Cultivated Plants - 1995
.
Color numbers refer to the RHS Colour Chart unless noted otherwise. Accompanying color names are taken from
A Contribution toward Standardization of Color Names in Horticulture
, R D Huse and K L Kelly, edited by D H Voss (ARS, 1984). Species names are those used by the RHS, based upon recent Edinburgh revisions of the genus.
Parents of a plant are reported in the conventional order: (seed parent x pollen parent). Abbreviations are used where appropriate: H = hybridized by, G = grown to first flower by, R = raised by, I = introduced by, REG = registered by; dates are enclosed in parentheses immediately following the activity.
Metric conversions of flower and leaf measurements are reported in 5mm increments for dimensions greater than 25mm.
'Anne Cree': Elepidote. ( yakushimanum , Exbury form x 'Chevalier Felix de Sauvage'). H (1985), G (1990), N, and REG (1998): Elsie Watson, Kirkland, WA. Fls 25/ball truss, funnel-shaped, 2.75" (70mm) long x 2.75" (70mm) wide, with 5 wavy-edged lobes; red (Red Group 54) in bud, opening inside deep purplish pink (54B) with a spotted, strong red (53D) flare, c 0.8" x 0.8" (20 x 20mm), on dorsal lobe; outside fading to pale purplish pink (56B). Calyx c 1.5mm long, brilliant yellow green (149C). Truss 6" (150mm) high x 6" (150mm) wide. Lvs held 3 years, elliptic, flat and downcurved margins, cuneate base, broadly acute apex, 5" (125mm) x 1.75" (45mm), dull, dark yellowish green (139A) and hairless above; with yellowish gray (198C) hairs below, aging to grayish yellow green (198A). Shrub 1.5' (0.45m) tall x 2.5' (0.75m) wide in 12 years. Plant and bud hardy to at least 10F (-12C). Late April. (Plants growing at Meerkerk Test Garden labeled "( yakushimanum , Exbury form x 'Chevalier Flix de Sauvage')")
'Beryl Coronet': Elepidote. (Parentage unknown). H (c1960): probably J C Cowles, Stow, MA; G: Heritage Plantation, Sandwich, MA; N (1990): R H Gustafson, Lawrenceville, NJ; REG (1998): Sandwich Club, c/o R H Gustafson. Fls 11/ball truss, openly funnel-shaped, 2.5" (65mm) long x 3.8" (95mm) wide, with 5 frilly-edged lobes; dark red (59A) in bud, opening inside light purple (84C) in center, with vivid purple (87B) margins and dark greenish yellow (152D) spotting on dorsal lobe; outside strong reddish purple (78B). Truss 5" (125mm) high x 6" (150mm) wide. Lvs oblong, oblique at base, 5.9" (150mm) x 2.5" (65mm), semi-glossy, moderate olive green (137A) above, hairless. Shrub 2.3' (0.7m) tall x 3.2' (1.0m) wide in 10 years; original plant 12' (3.7m) tall x 18' (5.5m) wide, intermediate habit. Plant and bud hardy to at least -8°F (-22°C). Mid May (NJ). (Codes: BGEC24-86; HP342-71)
'Bog Bridge': Elepidote. (Parentage unknown). H (pre 1960): probably J C Cowles, Stow, MA; G (pre 1965): Heritage Plantation, Sandwich, MA; N (1987): R H Gustafson, Lawrenceville, NJ; REG (1998): Sandwich Club, c/o R H Gustafson. Fls 11/ball truss, openly funnel-shaped, 2.6" (65mm) long x 4.3" (110mm) wide, with 5 wavy-edged lobes; deep purplish pink (66C) in bud, opening inside strong purplish pink (73B) at margins, with a white center, a dark red (59A) blotch in the throat, and dark red (59A) speckles extending upwards on dorsal lobe to within 0.8" (20mm) of margin; outside (73B). Truss 5.5" (140mm) high x 6.8" (170mm) wide. Lvs elliptic, flat, oblique base, broadly acute apex, 6.5" (165mm) x 2.2" (55mm), dull, moderate yellowish green (139B) above, hairless. Shrub 3.3' (1.0m) tall x 3' (0.9m) wide in 10 years, intermediate habit. Plant hardy to at least -8°F (-22C). Mid May (NJ).
'Chief Sealth': Elepidote. [( calophytum x 'Sarita Loder') x macabeanum ]. H (1969), G (1978), N, and REG (1998): Elsie Watson, Kirkland, WA. Fls 20/ball to flat truss, openly campanulate, 2.75" (70mm) long x 3" (75mm) wide, with 5 wavy-edged lobes; light purplish pink (62C) in bud, opening (62C) and fading to white, with deep purple (79A) flares in throat, c 0.8" (20mm) long on dorsal lobe and 0.2"-0.4" (5-10mm) long on other lobes; flares show through on outside. Calyx c 1.5mm long, brilliant yellow green (150B). Truss 5" (125mm) high x 8" (200mm) wide. Lvs held 2 years, elliptic, flat margins, cuneate base, broadly acute apex, 12" (305mm) x 4.5" (115mm), glossy, moderate olive green (147A) and hairless above; with pale yellow (160D), persistent, felted hairs below. Shrub 5' (1.5m) tall x 6' (1.8m) wide in 10 years. Plant and bud hardy to at least 9°F (-13°C). Late February. (Plants growing at Meerkerk Test Garden labeled "[( calophytum x 'Sarita Loder') x macabeanum ] No 4"]
'Karibean': Elepidote. [('Unknown Warrior' x 'Ole Olson') x strigillosum ]. H (1975), G (1980), N, and REG (1998): Elsie Watson, Kirkland, WA. Fls 18/ball truss, openly funnel-shaped, 3" (75mm) long x 3" (75mm) wide, with 5 wavy-edged lobes; strong red (46A) in bud, opening strong red (53C) with light spotting of (46A) on dorsal lobe; nectaries (46A). Calyx 0.25" (6mm) long, strong red (53C). Truss 4.5" (115mm) high x 6" (150mm) wide. Lvs held 2 years, narrowly elliptic, downcurved and flat margins, cuneate base, acute apex, 6.5" (165mm) x 1.75" (45mm), dull, moderate olive green (146A) and hairless above; with fine, pale hairs below on new growth; petiole hairy. Shrub 6' (1.8m) tall x 5' (1.5m) wide in 22 years. Plant and bud hardy to at least 9°F (-13"C). February-March.
'Kordus Orchid': Synonym of 'Orchid Corsage'.
'Laramie': Elepidote. ( yakushimanum , Exbury form x macabeanum ). H (1981), G (1988), N (1995), REG (1998): Jim Barlup, Bellevue, WA. Fls 23/flat truss, funnel-campanulate, 2" (50mm) long x 2.6" (65mm) wide, with 8 wavy-edged lobes; pale purplish pink (62D) in bud, opening inside pale yellow green (157C) with a dark red (59A) flare, c 0.25"-0.5" (c 6-13mm) long, at base of each lobe, the flares on three dorsal lobes with some peripheral (59A) spotting; outside (157C). Truss 5" (125mm) high x 7" (175mm) wide. Lvs held 3 years, obovate, flat, rounded base, broadly acute apex, 6.5" (165mm) x 2.75" (70mm), semi-glossy, moderate olive green (147A) above, with thick indumentum below, pale yellow (161C) at first, aging to moderate orange yellow (164C); slight tomentum above on new growth. Shrub 4' (1.2m) tall x 5' (1.5m)wide in 16 years, intermediate habit. Plant hardy to at least 0°F (-18°C). Early April.
'Love Poem': Elepidote. ['Silk Ribbon' x ( yakushimanum , Exbury form x 'Mrs. J.G. Millais')]. H (1991), G (1995), N(1998), REC(1998): Jim Barlup, Bellevue, WA. Fls 24/ball truss, openly funnel-shaped, 2"(50mm) long x 3" (75mm) wide, with 5 wavy-edged lobes; strong purplish red (64C) in bud, opening inside pale purplish pink (65D) and aging to pale yellow green (157C), very lightly tinted pink, with deep purplish red (59B) spotting covering large area of dorsal lobe; outside (157C). Calyx lobes irregular, to 1.5" (40mm) long, pale yellow (11D) spotted deep purplish red (59B). Truss 5.5" (140mm) high x 5.5" (140mm) wide. Lvs held 2 years, elliptic, flat, rounded base, broadly acute apex, 4.5" (115mm) x 1.6" (40mm), semi-glossy, moderate olive green (147A) above. Shrub 2.5' (0.75m) tall x 3' (0.9m) wide in 7 years, intermediate habit. Plant hardy to at least 0°F (-18°C). Early April.
'Marble Arch': Elepidote. [( smirnowii x Avalanche Group) x 'Spellbinder']. H (1985): G T Miller, New Oxford, PA; G (c 1992), N (1994), and REG (1998): R H Gustafson, Lawrenceville, NJ. Fls 13/ball truss, funnel-shaped, 2.4" (60mm) long x 2.75" (70mm) wide, with 5 wavy-edged lobes; strong purplish pink (62A, 63C) in bud, opening inside pale purplish pink (62D) with a deep red (60A) blotch and some spotting; outside light to pale purplish pink (62C-D); scented; stigma c 0.2" (4mm) wide, grayish reddish orange (174C), with 11 lighter lines radiating from center to edge. Truss 5" (125mm) high x 6.5" (1 65mm) wide. Lvs held 2 years, oblong, rounded base, obtuse apex, 5.5" (140mm) x 2.5" (65mm), glossy, dark yellowish green (139A) above, hairless. Shrub 4' (1.2m) tall x 3.8' (1.2m) wide in 11 years, intermediate habit. Plant hardy to at least -10°F (-23°C). Mid May. (ARS Seed Exchange 1986-1345)
'Orchid Corsage': Elepidote. (Parentage unknown). H (pre 1960): probably D Hardgrove, formerly Merrick, NY; G: unknown; N, and REG (1998): R H Gustafson, Lawrenceville, NJ. Fls 15/ ball truss, openly funnel-shaped, 3" (75mm) long x 4.3" (110mm) wide, with 8 frilly-edged lobes; strong purple (77B) in bud, opening inside light purple (84B) at edge, shading to light purple (84C) in center, with a dark purple blotch in throat and two dark purple markings extending upwards c 1.2" (30mm) on dorsal lobe; outside (84B); stigma moderate reddish brown (175A). Truss 6" (150mm) high x 8" (200mm) wide. Lvs oblong, flat, rounded base, broadly acute apex, 6" (150mm) x 2.3" (60mm), glossy, dark green (136A) above, hairless. Shrub 3.3' (1.0m) tall x 4.2' (1.3m) wide in 8 years, intermediate habit. Plant hardy to at least -8°F (-22"C). Mid May. (Syn: 'Kordus Orchid')
'Original Vagabond': Elepidote. ('Janet Blair' x 'Apritan'*). H (1986), G (1991), N, and REG (1998): R H Gustafson, Lawrenceville, NJ. Fls 12/ ball truss, openly funnel-shaped, 2" (50mm) long x 3" (75mm) wide, with 7 wavy-edged lobes; moderate yellowish pink (31D) in bud, opening inside pale yellow (19C) and pale orange yellow (19D) with a light orange yellow (16B-C) flare on dorsal lobes; outside (19C). Truss 5.5" (140mm) high x 5.5" (140mm) wide. Lvs elliptic, flat, rounded base, broadly acute apex, 5" (125mm) x 2" (50mm), light greenish blue (117A) above, hairless. Shrub 3.5' (1.1m) tall x 3.5' (1.1m) wide in 12 years, intermediate habit. Plant and bud hardy to at least-8°F (-22°C). Mid May.
'Ruth Gebert': Elepidote. ('Award' x 'Goldsworth Orange'). H (1987) and G (1993): Edwin T Anderson; N: Longview Community Church; REG: Mr. and Mrs. Edwin T Anderson, Longview, WA. Fls 12/dome truss, tubular funnel-shaped, 2.5" (65mm) long x 3" (75mm) wide, with 5 wavy-edged lobes; strong red (39A) and moderate reddish orange (42D) in bud, opening inside strong and moderate yellowish pink (38A-B) with brilliant yellow (13C) center, unmarked at first, with small speckles of outer color showing through as flowers age; outside brilliant orange (29A) with strong red (50A) streaks on midribs. Lvs narrowly oblong, margins slightly upcurved, cuneate base, broadly acute apex, 7" (175mm) x 2.4" (60mm), dull, moderate olive green (146A) and hairless above, punctulate below; new growth reddish at first with moderate brown (200C) glandular hairs below. Shrub 5' (1.5m) tall x 5' (1.5m) wide in 10 years. Plant hardy to at least -7°F (-22"C); buds, 0°F (-18°C). Mid May.
'Sashi': Elepidote. [('Unknown Warrior' x 'Ole Olson') x strigillosum ]. H (1975), G (1980), N, and REG (1998): Elsie Watson, Kirkland, WA. Fls 20/ball truss, openly funnel-shaped, 3.75" (95mm) long x 3.75" (95mm) wide, with 5 wavy-edged lobes; red (Red Group 46) in bud, opening inside strong purplish red (54A) at margins and fading inwards to strong pink (52D); outside deep pink (52B); nectaries strong red (46A). Calyx very small, deep red (60A). Truss 5.5" (140mm) x 5" (125mm) wide. Lvs held 2 years, narrowly elliptic, downcurved and flat margins, cuneate base, broadly acute apex, 7" (175mm) x 2" (50mm), moderate yellow green (146B) and hairless above; with fine, pale hairs below on new growth; petiole hairy. Shrub 5' (1.5m) tall x 4.5' (1.4m) wide in 22 years. Plant and bud hardy to at least 9°F (-13C). Early March.
'Shaker Sunrise': Elepidote. (Parentage unknown). H (pre 1960): probably J C Cowles, Stow, MA; G (c1960): Heritage Plantation, Sandwich, MA; N (1987): R H Gustafson, Lawrenceville, NJ, and J Leonard, Sandwich, MA; REG (1998): Sandwich Club, c/o R H Gustafson. Fls 8/dome truss, broadly funnel-shaped, 2.2" (55mm) long x 4" (100mm) wide, with 7 flat-edged lobes; deep pink (50B) and strong pink (50C, 52D) in bud, opening light purplish pink (55C) and light yellowish pink (36C) with a brilliant yellow (10A) center, unmarked; outside moderate purplish pink (54D). Truss 5.5" (140mm) high x 6.5" (165mm) wide. Lvs oblong, rounded base, obtuse apex, 4.5" (115mm) x 2" (50mm), moderate olive green (146A) above, hairless. Shrub 4.3' (1.3m) tall x 3' (0.9m) wide in 10 years, intermediate habit. Plant hardy to at least -8°F (-22°C). Mid May (NJ). (Code: HP-311-69)
'Spring Spirit': Elepidote. ('Nancy Evans' x macabeanum ). H (1981), G (1987), N (1998), REG (1998): Jim Barlup, Bellevue, WA. Fls 17/flat truss, funnel-campanulate, 2.5" (65mm) long x 3.25" (80mm) wide, with 7 wavy-edged lobes; pale greenish yellow (10D) in bud, opening pale yellow green (4D) at margins, shading darker inside to light yellow (10C) throat with three dark red (59A) marks c 0.5" x 0.25" wide (13 x 6mm) at base of dorsal lobe; shading lighter outside to pale yellow (11D) base. Calyx lobes irregular, to 2.25" (55mm) long, light yellow (10C). Truss 5" (125mm) high x 6.5" (1 65mm) wide. Lvs held 2 years, elliptic, upcurved margins, rounded base, broadly acute apex, 6" (150mm) x 3" (75mm), semi-glossy, light olive (152B) above. Shrub 4' (1.2m) tall x 6' (1.8m) wide in 17 years, intermediate habit. plant hardy to at least 0°F (-18°C). Early April.
'Temple Meads': Elepidote. ('Janet Blair' x 'Hindustan'). H (1984), G (c 1989), N (c 1992), and REG (1998): R H Gustafson, Lawrenceville, NJ. FIs 12/dome truss, openly funnel-shaped, 2" (50mm) long x 3.25" (80mm) wide, with 5 frilly-edged lobes; pale yellow (18C) to light yellowish pink (29C) in bud, opening inside pale yellow (158A) at edge, shading to pale yellow (11C) in throat, with a brilliant yellow (11A) spotted blotch, c 1.4" (35mm) long, on dorsal lobe; outside (158A); stigma dark brownish red. Truss 5" (125mm) high x 7" (175mm) wide. Lvs held 2 years, elliptic, flat, rounded base, obtuse apex with mucro, 5" (125mm) x 2.4" (60mm), dull, moderate yellow green (148A) above, hairless. Shrub 2.3' (0.7m) tall x 4.2' (1.3m) wide in 13 years, intermediate habit. Plant and bud hardy to at least -8°F (-22°C). Mid May.
'Violetta's Song': Elepidote. ('Mrs. Davies Evans' x 'Purple Splendour'). H (1985), G (1990), N, and REG (1998): Elsie Watson, Kirkland, WA. FIs 18/ball truss, openly funnel-shaped, 1.75" (45mm) long x 2.5" (65mm) wide, with 5 frilly-edged lobes; inside vivid purple (81B) fading to light purple (81D) in center with large, white, dorsal blotch, c 1.2" x 0.8" (30 x 20mm) wide, lightly spotted strong yellow green (144B); outside vivid purple (81A) fading to vivid purple (81B). Calyx c 1.5mm long, strong yellow green (144B). Truss 6" (150mm) high x 6" (150mm) wide. Lvs held 2 years, narrowly elliptic, flat margins, cuneate base, broadly acute apex, 6" (150mm) x 2" (50mm), dull, moderate olive green (147A) and hairless above; with fine hairs below on new growth. Shrub 3' (0.9m) tall x 3' (0.9m) wide in 12 years. Plant and bud hardy to at least 10°F (-12°C). Mid May. (Plants growing at Meerkerk Test Garden.
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'Violetta's Song'
('Mrs. Davies Evans' x 'Purple Splendour') Photo by Elsie Watson |
'White Cinnamon': Elepidote. ( yakushimanum , Exbury form x 'Mrs. J.G. Millais'). H (1981), G (1986), N (1998), REG (1998): Jim Barlup, Bellevue, WA. Fls 19/ball truss, openly funnel-shaped, 2.25" (55mm) long x 3.25" (80mm) wide, with 6 wavy-edged lobes; light purplish pink (62C) in bud, opening greenish white (155C), with a tinge of (62C) on inside edges, fading rapidly to (155C); large, spotted, brownish orange (172C) dorsal blotch with a touch of dark greenish yellow (152D) in its center. Calyx 0.4" (10mm) long, pale yellow (158B). Truss 5.5" (140mm) high x 5.5" (140mm) wide. Lvs held 3 years, oblong, downcurved margins, cuneate base, broadly acute apex, 5.5" (140mm) x 2.1" (55mm), dull, moderate olive green (147A) above. Shrub 2' (0.6m) tall x 3.5' (1.1m) wide in 7 years, dense growth habit. Plant hardy to at least 0°F (-18°C). Late May.
* The following unregistered name appears as a parent in the above descriptions: 'Apritan': Dexter hybrid, parentage unknown.
CORRECTIONS
'Diane Mouchett-Burns':
(published in
Journal ARS, Vol. 51, No 4, Fall 1997)
; parentage should read ['Ditto' x ('Fawn' x 'Indian Penny')]
'Fran's Song':
(published in
Journal ARS, Vol. 45, No 2, Spring 1991)
; parentage should read ['Ditto' x ('Fawn' x 'Indian Penny')]
'Mary Frances':
(published in
Journal ARS, Vol. 49, No 3, Summer 1995)
; parentage should read ['Ditto' x ('Fawn' x 'Indian Penny')]
'Nancy Jane':
(published in
Journal ARS, Vol. 51, No 4, Fall 1997)
; parentage should read ['Ditto' x ('Fawn' x 'Indian Penny')]