Rose Glossary

 

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‘Our Lady of Guadalupe’

 

 

Here is a Rose Glossary to help you understand some rose terms and enjoy your rose gardening hobby to the fullest.

 

AARS – All American Rose Selections

AGRS – American Garden Rose Selections

ADR rose – a winner in the German ADR rose trial (Allgemeine Deutsche Rosenneuheitenprüfung). No chemical pesticides have been allowed since 1997.

ARC – American Rose Center

ARS – American Rose Society

Anther – the part of the flower which produces pollen.  It is the upper section of the stem.

Axil – The angle between the upper surface of the leaf stalk and the stem that carries it.

Balling – the clinging together of petals in wet weather so that the bloom fails to open and turns to brown color.

Bare-root – a rose dug up at the nursery and sold with no soil around the roots.

Basal shoot – a shoot arising from the neck or crown of the plant.

Blind shoot – a mature stem which fails to produce a flower.

Bloom – stem having one-bloom-per-stem with no side buds.

Bract – a modified or reduced leaf that occurs beneath and next to a peduncle.

Bud eye – A dormant bud on the axil of a leaf.

Bud stage – Rose should be less than 50% open.  Sepals must be down.

Bud Union – the swollen part of the stem where the scion of a grafted rose meets the understock.

Calyx – the green protective cover of a rose flower, composed of the sepals.

Cane – one of the main stems of a rose plant.

Corolla – the petals of a rose flower considered as a single unit.

Cultivar – a named rose variety exhibiting distinct and consistent features, indicated by single quotation marks.

Deadheading – removing spent flowers.

Disbudding – removing buds from side or center of spray to improve overall appearance of specimen.

Disease Resistant Roses – Roses that have been bred to resist many diseases.  Disease resistant are just that resistant but not immune to disease.

Foliar feed – a fertilizer capable of being sprayed on and absorbed by the leaves.

Hard Pruning – Rose canes are severely cut back to less than 6”. Not all types of roses respond well to this treatment.

Hilling – A method used to protect roses from winter damage. Material, such as compost, is mounded 10-12 inches around the base of the bush after the ground is frozen.

Hip – the fruit of a rose, large and decorative in some varieties.

Inflorescence – the arrangement of flowers on the stem.

Lateral branch – a side branch which arises from a main stem.

Leaflet – the individual segment of a compound rose leaf.

Node – the point on a stem from which leaves and buds emerge.

Old rose – strictly speaking, a rose introduced before 1867, but more loosely used to describe any rose grown or introduced before 1900.

Once-blooming – a rose that flowers only once in early summer and does not repeat.

Open bloom – roses should be completely open and center stamen visible.

Own root – a rose propagated as a cutting rather than by grafting.

Peduncle – a stalk that supports a single flower or flower cluster.

Petal – the showy, usually colored part of a flower.

Petiole – the stalk by which a leaf attaches to a stem; also, leafstalk.

Pistil – the female reproductive organ of a flower, consisting of carpels, ovary, style, and stigma.

Pith – the spongy material at the center of the stem.

Pollen – the yellow dust produced by the anthers.  It is the male element which fertilizes the ovule.

Prickle – the technical term for a rose thorn.

Recurrent flowering – same as repeat flowering.

Remontant – roses that repeat flowers during the season, same as repeat flowering.

Rootstock – the root portion of a plant onto which the scion is grafted; also understock.

Rose Rustler – a person who propagates Old Garden roses from cemeteries and old homes sites.  Etiquette requires that permission be obtained if possible before cuttings are taken.

Scion – a shoot grafted onto a rootstock; the “top” of a grafted rose.

Sepal – one of the five individual, leaflike divisions of the calyx.

Sport – a spontaneous genetic mutation, often resulting in a plant that bears flowers of a different color or with more or fewer petals than the original plant.

Spray – stem that has two or more blooms with or without side buds.

Stamen – the male reproductive organ of a flower, consisting of a filament and anther.

Standard rose – a term used for tree rose.

Stigma – the part of the female organ of the flower which catches the pollen.

Stipule – a small, leaflike appendage that occurs at the base of the petiole.

Sucker – a stem, usually unwanted, that originates from a rootstock.

Sustainable Roses – are those roses that are winter hardy, possess above average insect & disease resistance, and require little or no pesticides in order to remain healthy.

Stage – an exhibition rose that is at its most perfect phase of possible beauty.

Stem-on-stem – Refers to a bloom on a stem that branches off another stem. This Y formation cannot be exhibited.

 

 

Until Next Time. Stop and Smell the Rose.

 

Rosalinda Morgan

 

www.rosalindarmorgan.com

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About SCLMRose

Having retired from the business world, Rosalinda is now pursuing her great love of books by catching up on her reading which she had no time before. She also writes historical novels and rose gardening articles and is the editor of the award-winning newsletter, The Charleston Rose. All her books (The Wentworth Legacy, The Iron Butterfly, and BAHALA NA (Come What May) are available at www.amazon.com/author/rosalindarmorgan. On her spare time, she enjoys gardening and volunteering in her neighborhood.
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