www.mobot.org Research Home | Search | Contact | Site Map  
 
Research
W³TROPICOS
QUICK SEARCH

MO PROJECTS:
Africa
Asia/Pacific
Mesoamerica
North America
South America
Floras
General Taxonomy
Photo Essays
Training in Latin
  America

MO RESEARCH:
Wm. L. Brown Center
Bryology
GIS
Graduate Studies
Research Experiences
  for Undergraduates

Imaging Lab
Library
MBG Press
Publications
Climate Change
Catalog Fossil Plants
MO DATABASES:
W³MOST
Image Index
Rare Books
Angiosperm
  Phylogeny

Res Botanica
All Databases
INFORMATION:
What's New?
People at MO
Visitor's Guide
Herbarium
Jobs & Fellowships
Symposium
Research Links
Site Map
Search

Projects
ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Rosularia (DC.) Stapf
Rosularia
Crassulaceae

About 25-35 species, depending on classification, in Europe, North Africa and Central Asia. In the FSU about 15-20 species. Some species are biennials, others perennials. Two have been tested in St.-Petersburg, and can be recommended for gardens, especially for the rock garden.

R. alpestris (Kar. et Kir.) Boriss.

Central Asia (Tien Shan, Pamiro Alay, Dzungarskiy Alatau) and western China. On the gravelly soil, in rocky places, on cliffs at 1,500-3,000 m.

Leafy rosettes form a dense carpet. Rosette leaves elongate-lanceolate, 2.0-3.5 cm x 0.5 cm. Flowering leafy stems lateral, 3.0-8.0 (13) cm. Inflorescence an umbel-like panicle, with small white or pink flowers. V - evergreen plants. Fl - June or July. Fr - July or August. P - easly by division and by seed. Can grow in full sun and also in shady sites. Well suited to the rock garden. Z 5 (4). New.

R. platyphylla (Schrenk) Berger

Central Asia (Tien Shan, Dzungaro-Tarbagatay) and northwestern China. In rocky places, on cliffs and slopes.

Rosettes solitary or in groups of 3-5. Each rosette 5-10 cm diam. Leaves spathulate, 4.0-5.0 cm x 2 cm. Flowering stem erect 10-15 cm. Inflorescence an umbel-like panicle with numerous white flowers. V - evergreen plant. Fl - June. Fr - August. P - by seed and division. Not carpet-forming. In St. Petersburg suffers in winter without snow cover. Good for the rock garden and for slopes. Z 5 (4). New.

SELECTION OF PERENNIALS
 
 
© 1995-2014 Missouri Botanical Garden, All Rights Reserved
P.O. Box 299, St. Louis, MO 63166-0299
(314) 577-5100

E-mail
Technical Support