Exochorda X Macrantha

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Woody Plants Database [http://woodyplants.cals.cornell.edu] Species: Exochorda x macrantha (ek-soe-kor'dah ma-kran'thah) Pearl Bush Cultivar Information * See specific cultivar notes on next page. Ornamental Characteristics Size: Shrub < 4 feet Height: 3' - 4' ht; (species 12' - 15') Leaves: Deciduous Shape: large irregular shrub Ornamental Other: beautiful white flowers appear before leaves in April; fruit distinctive capsule Environmental Characteristics Light: Full sun Hardy To Zone: 5b Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0) Environmental Other: full sun to part shade; tolerant of heat Insect Disease none serious Bare Root Transplanting Easy Other hybrid between E. racemosa and E. korolkowii; transplant B & B or from container; will seed itself. Native to China ( E. racemosa) and Turkestan ( E korolkowii) 1 Woody Plants Database [http://woodyplants.cals.cornell.edu] Moisture Tolerance Occasionally saturated Consistently moist, Occasional periods of Prolonged periods of or very wet soil well-drained soil dry soil dry soil 1 2 3 4 5 6 7 8 9 10 11 12 2 Woody Plants Database [http://woodyplants.cals.cornell.edu] Cultivars for Exochorda x macrantha Showing 1-2 of 2 items. Cultivar Name Notes The Bride 'The Bride' - 3' - 4' high, very bushy The Pearl 'The Pearl' (a.k.a. 'Irish Pearl') - hybrid with E. giraldii var. wilsonii; produces large blooms (to 2" wide); long, dense flowering shoots; grows to 10' - 15' tall 3 Woody Plants Database [http://woodyplants.cals.cornell.edu] Photos 4 Woody Plants Database [http://woodyplants.cals.cornell.edu] Winter seeds The Bride in winter 5 Woody Plants Database [http://woodyplants.cals.cornell.edu] west side of Plant Science Exochorda x macrantha - Flowers 6 Woody Plants Database [http://woodyplants.cals.cornell.edu] Exochorda x macrantha - Fruit Exochorda x macrantha - Habit 7 Woody Plants Database [http://woodyplants.cals.cornell.edu] Exochorda x macrantha - Bark 8.

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Of 3 Exochorda Simplified Standard Protocol
Exochorda Simplified standard protocol: SSP/EXH/4.rev ___________________________________________________________________ Botanical taxon: Exochorda racemosa (Lindl.) Rehder Common Name (when known): Pearl-bush Date of preparation of SSP: 2008 Date of revision of SSP: 17-10-2021 SSP revised by: W.A. Wietsma Sample to be examined: VEGETATIVE Number of growing cycles: 1 year Closing date for applications: 1/12 Submission date/period: 1/3 - 31/3 Seed/Plant Quantity: 10 young plants Able to show all their characteristics in the first year of examination Special conditions sample: None Test station address: Naktuinbouw, Sotaweg 22, 2371 AA, Roelofarendsveen Name: Team Support Variety Testing Department E-mail: [email protected] List of grouping characteristics: NO, (if yes put as annex) Minimum number of plants in trial: Vegetative: 8 Seed: not appl. Minimum number of plants observed by measuring or counting: Vegetative: 1 Seed: not appl. Give description of when observations on the flower should take place: At full flowering Give description of when/where observations on the leaf should take place: At full flowering Give description of when/where the other observations should take place: At full flowering Test will take place: OUTDOORS Uniformity: A population standard of 1% with an acceptance probability of at least 95%. Number of Off-types allowed: one off-type allowed in a sample size of 10 Table of characteristics: PRESENT (see annex) (if present, please annex the table of characteristics and explanations) Literature: PRESENT (when
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(12) United States Plant Patent (10) Patent No.: US PP23,329 P3 Ranney (45) Date of Patent: Jan
USOOPP23329P3 (12) United States Plant Patent (10) Patent No.: US PP23,329 P3 Ranney (45) Date of Patent: Jan. 15, 2013 (54) PEARLBUSH PLANT NAMED “BLIZZARD (51) Int. Cl. (50) Latin Name: Exochorda serratifoliaxmacrantha AOIH 5/00 (2006.01) (racemosaxkorolkowi) (52) U.S. Cl. ....................................................... Pt./226 Varietal Denomination: Blizzard (58) Field of Classification Search ................... Plt./226, (75) Inventor: Thomas G. Ranney, Arden, NC (US) PtF263.1 See application file for complete search history. (73) Assignee: North Carolina State University, Raleigh, NC (US) Primary Examiner — Kent L Bell (*) Notice: Subject to any disclaimer, the term of this (74) Attorney, Agent, or Firm — Michael Best & Friedrich patent is extended or adjusted under 35 LLP U.S.C. 154(b) by 110 days. (57) ABSTRACT (21) Appl. No.: 12/927.738 Blizzard is a new pearlbush plant particularly distinguished (22) Filed: Nov. 22, 2010 by its compact habit, Smaller plant height and width, larger (65) Prior Publication Data flower diameter, and larger genome size. US 2012/O13171OP1 May 24, 2012 2 Drawing Sheets 1. 2 Genus and species: Exochorda Serratifoliaxmacrantha 4. A polyploid cytotype with a relative 2C genome size of (racemosaxkorolkowii). approximately 2.2 pg. Variety denomination: Blizzard. DESCRIPTION OF THE PHOTOGRAPHS BACKGROUND OF THE NEW PLANT 5 This new pearlbush variety is illustrated by the accompa The present invention comprises a new and distinct variety nying photographs which show the plants form, foliage and of Exochorda, botanically known as Exochorda, and herein flowers. The colors shown are as true as can be reasonably after referred to by the variety name Blizzard.
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Sergio R. S. Cevallos-Ferriz * and Ruth A. Stockey Department of Botany, University of Alberta, Edmonton, Alberta, Canada T6G 2E9
IAWA Bulletin n. s., Vol. 11 (3), 1990: 261-280 VEGETATIVE REMAINS OF THE ROSACEAE FROM THE PRINCETON CHERT (MIDDLE EOCENE) OF BRITISH COLUMBIA by Sergio R. S. Cevallos-Ferriz * and Ruth A. Stockey Department of Botany, University of Alberta, Edmonton, Alberta, Canada T6G 2E9 Summary Several anatomieally preserved twigs, a interpretation of a subtropical to temperate branehing speeimen and the wood of a large climate during the time of deposition. axis with affinities to Rosaeeae are deseribed Key words: Rosaeeae, Prunoideae, Maloi from the Prineeton ehert (Middle Eoeene) of deae, Prunus, fossil wood, Middle Eo British Columbia, Canada. Speeimens are eene. eharaeterised by a heteroeellular pith with a peri-medullary rone of thiek-walled oval eells Introduction and semi-ring-porous seeondary xylem with The Middle Eoeene Princeton ehert local vertieal traumatie duets, fibres with eireular ity of British Columbia has a diverse permin bordered pits, and mostly seanty paratracheal eralised flora that includes vegetative and and oeeasionally apotracheal parenehyma. reproduetive organs of ferns, conifers, mono Ray to vessel pitting is similar to the alternate eotyledons and dieotyledons. Among dicoty intervaseular pitting. Seeondary phloem is ledonous plant reproductive organs are flow eomposed of tangentially oriented diseontin ers represented by Paleorosa similkameenen uous bands of alternating fibres and thin sis Basinger 1976 (Rosaceae), Princetonia walled eells. Seeondary eortical tissues are allenbyensis Stockey 1987 (incertae sedis), represented by a phelloderm eharaeterised by and a sapindaeeous flower (Erwin & Stockey rectangular eells and phellern with rectangular 1990). Fruits and seeds include Decodon al eoneave eells. Anatomical variation between lenbyensis Cevallos-Ferriz & Stockey 1988 speeimens can be related to age of the woody (Lythraeeae), Allenbya collinsonae Cevallos axes.
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. ARNOLDIA E I A publication of THE ARNOLD ARBORETUM OF HARVARD UNIVERSITY Jamaica Plain, Massachusetts 02130 VOLUME 28 APRIL 12, 1968 NUMBER 1 COUNTRY COUSINS the horticultural world, a continuous effort ~s bemg made to select the I"best" N trees and shrubs for ornamental use. In the process, many other plants are relegated to secondary status and then are often ignored by the hor- ticultural public. Later on, a few may show traits that were not obvious at first - and so bid for reconsideration. In other cases, one species has become en- trenched in horticultural usage-and for this reason alone continues to over- shadow later introductions. An occasional looking back through the lists of little-used plants can be expected to turn up a few that have been overshadowed by better-known relatives, but that have character of their own-and potential usefulness. Chionanthus retusus Chinese Fringetree Our native (southeastern U. S. ) fringetree (Chionanthus virginicus) is fairly well known, even though not widely used as a landscape plant in our area. Its oriental relative, Chionanthus retnsus, is even less used, probably because its flowers and inflorescences are smaller. But the overall effect of C. retusus in bloom is almost as spectacular as that of C. virginicus (Plate I). In addition, it can be grown with minimal pruning, while C. virginicus requires heavy pruning every few years to maintain good form. The largest specimen of C. retusus m the Arnold Arboretum is about 20 feet tall and resembles a miniature American elm in outline. This and its interesting furrowed bark keep this tree interesting during the winter months (Plates I and II).
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Dewayne's Common Pearlbush
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Exochorda X Macrantha 'The Bride' (Pearlbush) Size/Shape
Exochorda x macrantha 'The Bride' (Pearlbush) Exochorda x macrantha 'The Bride' is a deciduous shrub of hybrid origin introduced around 1900. It is a hybrid of Exochorda korolkowii and Exochorda racemosa. It carries pearl-like racemes and it has green leaves that turn yellow in autumn. It also carries star-shaped brown fruits that are not ornamentally significant. This hybrid is now very common in landscape uses and can be used for borders, containers and hedging, in addition to being pollution tolerant. Landscape Information French Name: Voile de mariée Pronounciation: eks-oh-KOR-dah ex mah- KRAN-thah Plant Type: Shrub Origin: Hybrid Origin Heat Zones: 1, 2, 3, 4, 5, 6, 7, 8, 9 Hardiness Zones: 5, 6, 7, 8, 9 Uses: Hedge, Border Plant, Container, Pollution Tolerant / Urban Size/Shape Growth Rate: Moderate Tree Shape: Weeping Canopy Density: Dense Height at Maturity: 1 to 1.5 m Spread at Maturity: 1 to 1.5 meters Time to Ultimate Height: 10 to 20 Years Plant Image Exochorda x macrantha 'The Bride' (Pearlbush) Botanical Description Foliage Leaf Arrangement: Alternate Leaf Persistance: Deciduous Leaf Type: Simple Leaf Blade: 5 - 10 cm Leaf Shape: Oblong Leaf Scent: No Fragance Color(growing season): Green Color(changing season): Yellow Flower Flower Showiness: True Flower Size Range: 7 - 10 Flower Image Flower Type: Raceme Flower Scent: No Fragance Flower Color: White Seasons: Spring Trunk Trunk Has Crownshaft: False Number of Trunks: Multi-Trunked Trunk Esthetic Values: Not Showy Fruit Fruit Showiness: False Fruit Colors: Brown Seasons:
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IAWA Bulletin n.s. , Vol. 13 (1),1992: 21-91 WOOD ANATOMY OF TREES AND SHRUBS FROM CIDNA. m. ROSACEAEI by Shu-Ym Zhang and Pieter Baas Rijksherbarium/Hortus Botanicus, P.O. Box 9514, 2300 RA Leiden , The Nether1ands Summary The wood anatomy of 162 species from lus, Armeniaca, Prunus S.str., Eriobotrya, China, belonging to 30 genera of the Rosa and Chaenomeles), as ornamentals (Rosa , ceae is described. The structural diversity Kerria, Spiraea, Sorbaria, Pyracantha, Photi is documented in a survey of characters, a nia, Exochorda, Docynia, and Chaenomeles), family description, generic descriptions and and as a source of valuable timber (Cotone tables. A key to the genera or groups of gen aster, Raphiolepis, and Pygeum). Fifty-four era is presented. A number of genera is de genera, about half of the total number ofgen scribed wood anatomically for the first time. era in the farnily, occur in China. In the pres Vestured pits noted in some Spiraea species ent study, thirty woody genera (see Table 1), are newly recorded for the farnily. The phe covering most of the woody ones, were sur nomenon of fibre dimorphism in Spiraea is veyed. A few small genera could not be in analysed in detail. cluded in the study because no wood sampies The systematic implications of the wood could be obtained. The classification of the anatomical diversity summarised in Tables family is subject to continued debate. For 22-24 are discussed at and below the sub practical reasons, we follow the systematic farnily level. The Spiraeoideae and Rosoideae arrangement and delimitation of subfamilies resemble each other very closely, but Exo and genera (see Table 1), and the nomencla chorda, and to a lesser extent Sorbaria, are ture as given in Flora Reipublicae Popularis aberrant within this group.
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