USO0PP21002P2

(12) United States Plant Patent

(10) Patent N0.: US PP21,002 P2 (45) Date of Patent: May 18, 2010

Fitzgerald (54)

CAREX PLANT NAMED ‘EVERILLO’

(50) Latin Name: V ' t l D

ane a

(76)

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t'

:

enomma Ion

Inventor:

(58)

Carex oshimensis E

Field of Classi?cation Search ................. .. Flt/384

See application ?le for complete search history.

'11

Ven 0

Primary ExamineriKent L Bell

Pat Fitzgerald, Old Town, Stoneyford,

(74) Azzgrney, Agenz, 0r FirmiPenny J _ Aguirre

Co. Kilkenny (IE) (*)

21

Notice:

Subject to any disclaimer, the term of this patent is extended or adjusted under 35

(57)

USC154bby0day . . . s.

A new cu l' ' d t1varo fCarex os h imensis, ‘E ver1'11’ o , c h aracterize

A LN '2 12/383 526

ABSTRACT

its foliage that is uniformly yellow in color, its compact

( ) _pp 0 ’ (22) Flledi Mal? 25: 2009

gated by rhizome division and basal cuttings, and its hardi

(51)

ness at least in U.S.D.A. Zones 6 to 9.

Int CL

A01H 5/00 (52)

clump-forming growth habit, its ability to be readily propa

(2006.01)

US. Cl. .................................................... ..

Plt./384

2 Drawing Sheets

1

2

Botanical classi?cation: Carex oshimensis. Varietal denomination: ‘Everillo’.

elala; ‘Bowles Golden’ (syn. ‘Aurea’), which has yellow foli age with a very narrow green edge and ‘Knight Shayes’, which is a solid yellow-leaved mutation of ‘Bowles Golden’ (both unpatented). These cultivars are not only a different

BACKGROUND OF THE INVENTION

species but develop into larger sized plants in comparison to ‘Everillo’ with a mature size of about 70 cm in height and 45

The present invention relates to a new and distinct cultivar

of Carex oshimensis and will be referred to hereafter by its

cm in width.

cultivar name, ‘Everillo ’. ‘ Everillo ’ is a new cultivar of peren

BRIEF DESCRIPTION OF THE DRAWING

nial ornamental grass grown for container and landscape use,

primarily in shaded exposures.

gold’ (not patented). The Inventor discovered ‘Everillo’ in

The accompanying colored photographs illustrate the over all appearance and distinct characteristics of six month-old plants of the new Carex as grown in 9-cm containers outdoors

August of 2007 in a container at his nursery in Oldtown,

in Oldtown, Stoneyford, C. Kilkenny, Ireland.

The new cultivar, ‘Everillo’ arose as a naturally occurring

whole plant chimeral mutation of Carex oshimensis ‘Ever

Stoneyford, Co. Kilkenny, Republic of Ireland.

The photograph in FIG. 1 illustrates the overall plant habit and appearance of ‘Everillo’.

Asexual reproduction of the new cultivar was ?rst accom

plished by rhizome division in Oldtown, Stoneyford, Co. Kilkenny, Republic of Ireland in January of 2008 by the Inventor. The characteristics of this cultivar have been deter mined to be stable and are reproduced true to type in succes

20

sive generations.

The photograph in FIG. 2 provides a detailed close-up view of the leaf-shape and yellow leaf coloration. The colors in the photograph may differ slightly from the color values cited in the detailed botanical description, which accurately describe the colors of the new Carex.

SUMMARY OF THE INVENTION

DETAILED BOTANICAL DESCRIPTION

The following traits have been repeatedly observed and

The general observations and descriptions describe plants

represent the characteristics of the new cultivar. The new

of ‘Everillo’ as grown outdoors in a nursery in 9-cm contain

Carex has not been observed under all possible environmental conditions. These attributes in combination distinguish

ers in Co. Kilkenny, Republic of Ireland for six months from a single rhizome division. The phenotype may vary somewhat

‘Everillo’ from all other selections of Carex known to the Inventor.

1. ‘Everillo’ exhibits foliage that is uniformly yellow in color.

2. ‘Everillo’ exhibits a plant habit that slowly spreads by rhizomes and forms compact clumps as it matures.

3. ‘Everillo’ is readily propagated by rhizome division and

basal cuttings.

30

with variations in temperature, day-length, light intensity, soil types, and water and fertility levels without, however, any variance in genotype. The color determinations are in accor

dance with the 2001 R.H.S Colour Chart of The Royal Hor

ticultural Society, London, England, except where general color terms of ordinary dictionary signi?cance are used.

General description: Blooming periodiln?orescences emerge in January and continue into summer in the Republic of Ireland.

4. ‘Everillo’ is hardy at least in U.S.D.A. Zones 6 to 9. ‘Everillo’ has a similar plant habit and growth rate to its

Plant habiLiHerbaceous clump-forming ornamental

parent plant, ‘Evergold’, however ‘Everillo’ exhibits leaves

perennial grass, evergreen at least to U. S .D.A. Zone 6,

that are solid yellow in color, whereas the leaves of ‘Evergold’

?attened-globular mound in shape. Growth habiLiBroad, spreading.

are variegated with creamy-yellow centers and green mar gins. There are no other cultivars of Carex oshimensis known

Height and spreadiReaches about 8.4 cm in height,

to the Inventor that exhibit foliage that is solid yellow in color. ‘Everillo’ can be most closely compared to cultivars of Carex

spreads to about 19.4 cm in diameter. HardinessiAt least in U.S.D.A. Zones 6 to 9.

US PP21,002 P2 4

3 Culture.%}roWs best in part shade in fertile, Well drained soils With adequate moisture, tolerant to full

Flower quantity per in?orescenceiTypically one ?oret per spikelet; about 20% are staminate and 80% are pistillate, an average 100 spikelets per raceme.

shade in Warmer climates and full sun in cooler cli

Lastingness of in?orescenceiFlowers last about 10

mates.

days.

Diseases and pestsiNo increased susceptibility or

Flowering season.4Continuous from January into sum

resistance to diseases or pests has been observed.

Root descriptionishort, stout rhizomes With dense, ?brous roots, roots moderately branched. GroWth and propagation:

mer in Ireland.

Response time to ?oweriApproximately 8 months.

Rate of?ower openingiAfter ?rst initial ?oWers open

PropagationiRhizome division and basal cuttings.

in an in?orescence all ?oWers open Within 3 Weeks.

FragranceiNone.

Root initiation from cuttingsiAbout 4 Weeks at 200 C. and produce fully rooted liner in about 3 months.

Root development from divisioniFully develop in

Floret budsiNarrowly ovate in shape, about 2 mm in length and about 1 mm in diameter, 145 D in color.

9-cm containers in about 9 months from rhizome divi sions. Growth rateiModerate.

Spikelet shapeisedge-like, narroWly ovate. Persistence of spikelets. *Persistant.

Spikelet aspectiUpright.

Branchingistemless, shoots arise from rhizomes,

Floret (spi kelet) sizeistaminate ?orets; an average of 4 mm in diameter and 1 cm in length, pistillate ?orets;

about 18 divisions develop per clump in a 6 month

production schedule.

Foliage description:

an average of 1.5 mm in diameter and 1 cm in length. 20

Floret (spikelet) descriptionil glume on outer side and

Leaf shapeiLinear, curved.

1 lemma on inner side on staminate ?orets and 1

Leaf divisionisimple.

lemma on inner side of pistillate ?orets (lack glumes),

Leaf baseisheathed to rhizome, triangular in shape.

glumes; an average of 8 mm in length and 0.5 mm in

Leaf apex. *Attenuate. LeafaspectiLeaves initially emerge upright, then cas cade outWard and ?nally arch doWnWard until the terminal blades lay on the ground. Leaf venationiParallel, the midrib is raised on the loWer surface, not prominent or conspicuous, color

Width, lanceolate in shape, margin entire, apex nar roWly acute, color of upper and loWer surface 165C,

matches leaf color.

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surface is smooth and dull in appearance, lemma; an average of 8 mm in length and 1 mm in Width, lan

ceolate in shape, margin entire, apex long and mucr 30

Leaf marginsiEntire, slightly scaberulose.

onate, color of upper and loWer surface on staminate ?orets 165C, color of upper and loWer surface on

pistillate ?orets 164C to 164D With central vein 143B to 143C, surface is smooth and dull in appearance.

Leaf persistenceiPersistent; evergreen under condi tions tested. Leaf sizeiMatures to an average of 16.4 cm in length and 5 mm in Width.

RachisiAn average of 1.5 cm in length and 1 mm in

diameter, held upright, strong, 144B to 145A in color.

Reproductive organs:

Leaf numberiAverage of 5 leaves per rhizome and about 90 per plant.

GynoeciumiAverage of 3 pistils about 1 mm in length, stigma is ?mbriate and 199B to 199C in color, style is

Leaf arrangementiEquitant (overlapping), emerge

about 0.2 mm in length, insu?icient in size to be color coded, ovary is 157A to 192D in color.

from center, sheathed to base.

Leaf surfaceiModerately glossy, glabrous, smooth.

40

Leaf durability to stressiHigh.

2 mm in length and 164C to 164D in color, pollen production very loW and insuf?cient in quantity to be color coded. Fruits and seedsiseed production has not been

Leaf coloriYoung emerging leaves and mature leaves

upper surface; 145A, base slightly lighter 149A, loWer surface young leaves 145A matures to 144B to 144C.

AndrocoeciumiAverage of 3 stamens, basi?xed, about

45

FloWer description:

observed to date.

It is claimed: 1. A neW and distinct cultivar of Carex plant named ‘Ever illo’ as herein illustrated and described.

General descriptioniTerminal racemes of gynaecan

drous spikelets. In?orescence sizeiAverages 2.4 cm in height and 4 mm in Width.

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US. Patent

May 18,2010

Sheet 1 of2

US PP21,002 P2

U S. Patent

May 18, 2010

Sheet 2 of2

US PP21,002 P2

Carex plant named 'Everillo'

May 18, 2010 - plished by rhizome division in Oldtown, Stoneyford, Co. Kilkenny, Republic of Ireland in January of 2008 by the. Inventor. The characteristics of this cultivar have been deter mined to be stable and are reproduced true to type in succes sive generations. SUMMARY OF THE INVENTION. The following traits ...

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