U.S. patent number PP10,329 [Application Number 08/621,650] was granted by the patent office on 1998-04-14 for mandevilla plant named `monte`.
This patent grant is currently assigned to Monrovia Nursery Company. Invention is credited to Richard Wells.
United States Patent |
PP10,329 |
Wells |
April 14, 1998 |
Mandevilla plant named `Monte`
Abstract
A new and distinct selection of Mandevilla which shall be
referred hereinafter as Mandevilla.times.amabilis cultivar Monte.
Mandevilla.times.amabilis cultivar Monte differs distinctively from
other Mandevilla.times.amabilis cultivars by its unique combination
of pale pink buds and flowers maturing to whitish flowers which
display a clear uniform pink throat distinct with yellow at the
base and corolla limbs which are symmetrical presenting a full
rounded flower at anthesis.
Inventors: |
Wells; Richard (Visalia,
CA) |
Assignee: |
Monrovia Nursery Company
(Azusa, CA)
|
Appl.
No.: |
08/621,650 |
Filed: |
March 26, 1996 |
Current U.S.
Class: |
PLT/232 |
Current International
Class: |
A01H 005/00 () |
Field of
Search: |
;Plt/59.1,68.1 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Locker; Howard J.
Attorney, Agent or Firm: Christie, Parker & Hale,
LLP
Claims
I claim:
1. A new variety of Mandevilla plant substantially as herein shown
and described.
Description
BACKGROUND OF THE INVENTION
This invention relates to a new and distinct selection of
Mandevilla.times.amabilis (Hort. Bach.) Dress., reputed to be a
hybrid of Mandevilla splendens.times.Mandevilla crassinoda and a
member of the Apocynaceae family. Mandevilla.times.amabilis
cultivar Monte was the result of the seed collected in April 1990
from Mandevilla.times.amabilis cultivar Alice du Pont, and sown
June 1990. In July 1992 seven seedlings were selected for flower
color. The following year cultivar Monte was selected from the
seven original seedlings. Selection was based on the attributes of
the pale pink flowers maturing to a white color and the full
rounded flower. My discovery was made at Monrovia Nursery Company,
18331 East Foothill Boulevard, Azusa, Calif. My new selection has
been asexually reproduced exclusively by tissue culture since the
discovery. Had this chance seedling not been discovered and
propagated, it may have been lost to mankind. It is unlikely these
particular select and favorable attributes of this plant could be
conveyed to progeny through sexual reproduction in the next
generation. In fact it was highly unusual for the parent, cultivar
Alice du Pont to set seed in our southern California climate.
Through extensive tissue culture propagation it has been
established that the novel exceptional characteristics of this
plant are stable and reliably passed on to clonal specimens through
asexual reproduction.
SUMMARY OF THE INVENTION
Mandevilla.times.amabilis cv. Monte was selected for its blush pink
to white flower color. Prior to my discovery only
Mandevilla.times.amabilis with deep rose pink flowers were known.
My selection cultivar Monte also exhibits a more refined foliage
which is shorter, narrower and less bullate in texture. Cultivar
Monte also exhibits a unique flower characteristics which differs
from Mandevilla.times.amabilis cultivar Alice du Pont and
Mandevilla cultivar White Delite U.S. Plant Pat. No. 8,479. The
corolla limb is divided into 5 separate sections on all 3
cultivars. However, on cultivar Alice du Pont and cultivar White
Delite the corolla lobes are asymmetrical. Whereas, cultivar Monte
has corolla lobes which are symmetrical presenting a much more
uniform rounded flower shape. My selection cultivar Monte will
tolerate a 30.degree. F. temperature which is equivalent to
U.S.D.A. hardiness zone ten, but does require frost protection.
BRIEF DESCRIPTION OF ILLUSTRATION
The accompanying illustration shows flowers and foliage of
specimens of `Monte` reproduced in color as true as reasonably
possible with illustrations of this type. Phenotypic expression may
vary depending upon environmental and cultural conditions as well
as conditions of light and temperature.
BOTANICAL DESCRIPTION
Below is a detailed description of Mandevilla.times.amabilis
cultivar Monte, and when applicable comparisons of the other two
cultivars. The color terminology is from The Royal Horticultural
Color Charts. Comparisons of other cultivars are from containerized
plants grown in similar climate/growth conditions in Azusa,
Calif.
Overall habit: Tropical twining vine
Overall size: Average height of 5 meters, may achieve height to 6-7
meters. Cultivar Alice du Pont and cultivar White Delite similar in
overall size.
Foliage:
Arrangement.--Opposite. Same for cultivar Alice du Pont and
cultivar White Delite.
Surface.--Smooth to slightly bullate (or puckered). Cultivar Alice
du Pont-deeply bullate becoming slightly bullate with maturity,
cultivar White Delite-bullate maintaining condition in juvenile and
mature stage.
Secondary leaf veination.--More secondary veins in more bullated
leaf appearance; cultivar `Monte` average 21 pairs, cultivar `Alice
duPont` average 46 pairs , cultivar `White Delite` average 28
pairs.
Shape.--Lanceolate to slightly obovate -- elliptic. Cultivar Alice
du Pont -- elliptic-oblong. Cultivar White Delite -- elliptic.
Size.--10-14 cm long; 5-7 cm wide. Cultivar Alice du Pont 15 -18 cm
long; 8-10.5 cm wide. Cultivar White Delite 11-12.5 cm long; 5-6 cm
wide.
Leaf length to width ratio.--Foliage will vary in size due to
growing conditions, however, the more reliable length to width
ratio should be consistent in various climate regions. Cultivar
Monte -- 2. Cultivar Alice du Pont -- 1.5 to 1.7, the widest leaf.
Cultivar White Delite -- 2.1 to 2.2, the narrowest leaf.
Color of juvenile foliage.--Upper surface: Green Group 144A. Lower
surface: Green Group 143C with tinge of Red Group 53A.
Color of mature foliage.--Upper surface: Green Group 139A. Lower
surface: Green Group 138A. Midrib: Green Group 144D.
Texture.--Coriaceous all 3 cultivars.
Flowers:
Arrangement.--Axillary racemes all 3 cultivars.
Bloom season.--Flowers produced Spring through Fall all 3
cultivars.
Corolla diameter.--9 to 12 cm. Cultivar Alice du Pont -- 9.5-12 cm.
Cultivar White Delite -- 8-10 cm.
Corolla lobes.--5 in number widely obovate in shape with a short
acuminate tip symmetrically centered at the end of the tip. The
cultivars `Alice duPont` and `White Delite` both have asymmetrical
lobes, the overlapping margin is rounded the opposite margin
underneath neighboring lobe is straight ending in an abrupt
acuminate tip which is not centrally located on the lobe.
Corolla tube length.--From base of calyx to corolla 4.0 cm to 5.0
cm.
Stamens.--5 in number, borne on corolla.
Style.--Twice as long as calyx lobes.
Calyx lobes.--5 in number 5-8 mm in length.
Petiole length.--5 mm to 13 mm. Flowers last at least 3 to 5
days.
Fragrance.--Light delicate fragrance.
Margins.--Smooth and entire.
Corolla shape at anthesis.--The corolla lobes overlap fully with
only a space of 5 to 10 mm difference in depth where the lobes
overlap. Cultivar Alice du Pont and White Delite both display a
definite deep cut of 10 mm to 20 mm between the lobes due to
asymmetrical lobes with straight margin overlapped by rounded
margin.
Color.--Determined in early June with temperatures ranging from
70.degree. F. night temperature to high 80.degree. F. day
temperatures for the last 20 days. It is believed cooler night
temperatures promote more pink shades in flowers and warm night
temperatures more white shades in flowers. The color of Cultivar
Monte initially is Red Group 56D mixed with Red-Purple Group 62C
and 62D and White Group 155C. As flower matures White Group 155B
becomes more prominent. The corolla throat is Red Group 56A and
does not appear to fade with age. The base of the inner throat is
Yellow Group 3D and does not appear to fade with age. The corolla
color of Cultivar Alice du Pont is Red-Purple Group 63C with
Red-Purple 63B within the throat. Base of throat is White Group
155A with no yellow displayed. The corolla color of Cultivar White
Delite is Red-Purple Group 62D. The pink color does fade and White
Group 155D does become more promient, however, Red Purple Group 62D
is present on the corolla. The throat is Red-Purple Group 62C mixed
with Green-Yellow Group 1C, prominently the base displays
Green-Yellow Group 1C. This is an identification difference as my
selection Cultivar Monte has a clear cut distinct line of yellow at
the base and striated pink throat whereas Cultivar White Delite has
the clear yellow base but the yellow is mixed with the striated
pink within the throat.
Fruit.--To date my new selection has not produced fruit.
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