USPP6629P - Rhododendron plant `Scented Springtime` - Google Patents

Rhododendron plant `Scented Springtime` Download PDF

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Publication number
USPP6629P
USPP6629P US07/108,982 US10898287V US6629P US PP6629 P USPP6629 P US PP6629P US 10898287 V US10898287 V US 10898287V US 6629 P US6629 P US 6629P
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springtime
scented
plant
rhododendron
long
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US07/108,982
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James P. Halligan
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/36—Ericaceae, e.g. azalea, cranberry or blueberry
    • A01H6/364—Rhododendron, e.g. Azalea

Definitions

  • This invention is a new and distinct variety of rhododendron plant originated by me in 1983 as a consequence of a breeding program begun in 1980.
  • the parentage of my new Rhododendron is as follows: The seed parent was R. keiskei ⁇ Yaku Fairy ⁇ and the pollen parent was R. ⁇ Else Frye. ⁇ This was intended as a preliminary cross to combine the compactness and hardiness of R. ⁇ Yaku Fairy ⁇ with the large fragrant flowers of R. ⁇ Else Frye. ⁇ Fragrance was not expected at this stage in the breeding program, and was not present in any of its siblings. This plant is quite different from its siblings, having larger broader leaves, larger more highly colored flowers, faster growth rate, more flowers to the truss, and fragrance. Observers have found the fragrance pronounced of gardenias.
  • My new variety is characterized by a prostrate growth habit and fragrant flowers.
  • the flower color of pale yellow with fuchsia streaks is pleasant but unremarkable. It is unlike any other Rhododendron known to me. It shows the prostrate growth habit of its seed parent and the fragrance of its pollen parent. Flower and leaf size are intermediate between its parents, as is flower color.
  • the new cultivar named ⁇ Scented Springtime ⁇ is illustrated by the accompanying color photographs.
  • the upper photograph shows a truss of flowers, taken indoors with a flash.
  • the lower photograph shows a oblique side view of the entire plant, taken outdoors with flash in natural daylight.
  • the whiteness of the petals is due to to overexposure, but the true color is seen in the opening buds.
  • Taxonomic status Hybrid cultivar.
  • Growth habit Prostrate, vigorous growth forms a spreading mound to 30 cm. high and 1 m. broad.
  • Inflorescence Terminal and subterminal clusters of 4-7 flowers per bud. Generally one, but up to three buds per terminus. Rachis 7 mm. long. Pedicels 1 cm. long. Bracts subtending individual flowers white, to 25 mm. long and 2 mm. wide.
  • Flower buds Expanded bud 1.5 cm. ⁇ 1.5 cm., ovoid.
  • Calyx Pentamerous. Lobes rounded, lepidote outside, ciliate, 7 mm. long ⁇ 5 mm. wide, strong orange yellow 163B.
  • Corolla Pentamerous, in a single whorl, glabrous inside, sparsely lepidote outside. Length measured along upper lobe 43 mm. overall, of which the tube length is 26 mm. and lobe length is 17 mm. Lobes 0.2 to 0.3 mm. thick. Flower spread 61 mm. when fully open, broadly funnel shaped. Color: Inside light greenish yellow 3D on upper lobe shading to 4D on lower lobes. Outside pale greenish yellow 1D.
  • Gynoecium --Style 4-5 cm. long, pale greenish yellow 1D, glabrous. Stigma capitate, rugose, vivid yellow green 154A. Ovary 3 mm. long, densely lepidote, brilliant yellow green 149A.
  • Blooming season This cultivar is in peak bloom about mid-April in Seattle, Wash.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

The new cultivar `Scented Springtime` was derived from a cross of Rhododendron keiskei `Yaku Fairy` with R. `Else Frye.` It is distinguished by its prostrate habit, fragrant flowers, and ease of propagation.

Description

BACKGROUND OF THE INVENTION
This invention is a new and distinct variety of rhododendron plant originated by me in 1983 as a consequence of a breeding program begun in 1980. The parentage of my new Rhododendron is as follows: The seed parent was R. keiskei `Yaku Fairy` and the pollen parent was R. `Else Frye.` This was intended as a preliminary cross to combine the compactness and hardiness of R. `Yaku Fairy` with the large fragrant flowers of R. `Else Frye.` Fragrance was not expected at this stage in the breeding program, and was not present in any of its siblings. This plant is quite different from its siblings, having larger broader leaves, larger more highly colored flowers, faster growth rate, more flowers to the truss, and fragrance. Observers have found the fragrance reminiscent of gardenias.
My new variety is characterized by a prostrate growth habit and fragrant flowers. The flower color of pale yellow with fuchsia streaks is pleasant but unremarkable. It is unlike any other Rhododendron known to me. It shows the prostrate growth habit of its seed parent and the fragrance of its pollen parent. Flower and leaf size are intermediate between its parents, as is flower color.
Asexual propagation by cuttings at Langley, Wash. and Snohomish, Wash. shows that all characteristics of the variety come true through succeeding generations. This plant is currently being grown by me at 5837 West Useless Bay Ave., Langley, Wash. 98260. It has also been loaned to two other persons for evaluation and breeding purposes. Their names and addresses are as follows: Dr. R. L. Ticknor, 844 N. Holly St., Canby, Oreg. 97013 and Loyd Newcomb, 18432 Snohomish Ave., Snohomish, Wash. 98290.
DESCRIPTION OF THE PHOTOGRAPH
The new cultivar named `Scented Springtime` is illustrated by the accompanying color photographs. The upper photograph shows a truss of flowers, taken indoors with a flash. The lower photograph shows a oblique side view of the entire plant, taken outdoors with flash in natural daylight. The whiteness of the petals is due to to overexposure, but the true color is seen in the opening buds.
Detailed Botanical Description of the Plant
The following botanical description of the new variety is based upon observations of plants grown in the ground in Langley, Wash. The plants were propagated in the greenhouse and then grown outdoors. The color references are from the R.H.S. Colour Chart.
Taxonomic status: Hybrid cultivar.
Genus.--Rhododendron.
Seed parent.--R. keiskei `Yaku Fairy`.
Pollen parent.--R. `Else Frye`.
Growth habit: Prostrate, vigorous growth forms a spreading mound to 30 cm. high and 1 m. broad.
Foliage: Leaf blade ovate, slightly revolute, base slightly retuse near midvein, 3-7 cm. long, 1-4 cm. wide. Upper surface with minutely impressed veins, glabrous, moderate olive green 146A. Lower surface dull, with abundant light scales and fewer dark brown scales, strong yellow green 143C. Petioles lepidote, 6-9 mm. long, 2 mm. thick.
Inflorescence: Terminal and subterminal clusters of 4-7 flowers per bud. Generally one, but up to three buds per terminus. Rachis 7 mm. long. Pedicels 1 cm. long. Bracts subtending individual flowers white, to 25 mm. long and 2 mm. wide.
Flower buds: Expanded bud 1.5 cm.×1.5 cm., ovoid. Bud scales lepidote, minutely white ciliate, moderate reddish orange 173B.
Calyx: Pentamerous. Lobes rounded, lepidote outside, ciliate, 7 mm. long×5 mm. wide, strong orange yellow 163B.
Corolla: Pentamerous, in a single whorl, glabrous inside, sparsely lepidote outside. Length measured along upper lobe 43 mm. overall, of which the tube length is 26 mm. and lobe length is 17 mm. Lobes 0.2 to 0.3 mm. thick. Flower spread 61 mm. when fully open, broadly funnel shaped. Color: Inside light greenish yellow 3D on upper lobe shading to 4D on lower lobes. Outside pale greenish yellow 1D.
Markings.--Two small spots of brilliant greenish yellow 1B at the bases of the valves of the upper lobes. Upper lateral lobes streaked with strong purplish red 63A to 63B, and blotched with strong to light purplish pink 63C to 63D. Other lobes occasionally streaked or blotched.
Reproductive organs:
Androecium.--Filaments white, 15-25 mm. long, pubescent at base. Anthers 3.5 mm. long×1 mm. wide, strong orange 168B.
Gynoecium.--Style 4-5 cm. long, pale greenish yellow 1D, glabrous. Stigma capitate, rugose, vivid yellow green 154A. Ovary 3 mm. long, densely lepidote, brilliant yellow green 149A.
Fruit: Thus far, this plant has proven to be sterile. Despite repeated efforts to breed this plant, no fruit has developed.
Blooming season: This cultivar is in peak bloom about mid-April in Seattle, Wash.
Hardiness: This cultivar has experienced temperatures as low as 11 degrees F. without damage to vegetative parts. This cold snap was unseasonably early and damaged many plants rated hardy to 5 degrees.
Color variation: This plant when grown in the greenhouse without exposure to cold temperatures produces nearly white flowers.

Claims (1)

I claim:
1. A new and distinct variety of Rhododendron plant substantially as herein shown and described, characterized in particular by its prostrate growth habit and fragrant flowers.
US07/108,982 1987-10-16 1987-10-16 Rhododendron plant `Scented Springtime` Expired - Lifetime USPP6629P (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/108,982 USPP6629P (en) 1987-10-16 1987-10-16 Rhododendron plant `Scented Springtime`

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/108,982 USPP6629P (en) 1987-10-16 1987-10-16 Rhododendron plant `Scented Springtime`

Publications (1)

Publication Number Publication Date
USPP6629P true USPP6629P (en) 1989-02-28

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US07/108,982 Expired - Lifetime USPP6629P (en) 1987-10-16 1987-10-16 Rhododendron plant `Scented Springtime`

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