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Useful Tropical Plants

Rubus rolfei

S.Vidal

Rosaceae


The genus Rubus, (especially the blackberries, which are often loosely referred to as Rubus fruticosus agg.) presents some of the most difficult taxonomic problems. This is partly due to the frequency of polyploidy; also to the frequent occurrence of hybridization; and also due to apomixis, where minor differences between plants are preserved because seedlings are genetically identical to their parent. As a result, differences of opinion on the number of species to be recognized from a given region can vary tremendously (for example, a treatment by M. L. Fernald[
43
Title
Gray's Manual of Botany.Eighth Edition
Publication
 
Author
Fernald. M. L.
Publisher
American Book Co.; New York
Year
1950
ISBN
0442222505
Description
A bit dated but a good and concise flora of the eastern part of N. America.
] in 1950 recognized 205 species for the northern half of the eastern United States plus parts of southeastern Canada, whilst H. A. Gleason and A. Cronquist in 1991 recognized only 25)[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
]. Where possible, a relatively conservative approach is taken here[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Rubus calycinoides Hayata ex Koidz.

Rubus elmeri Focke

Rubus hayatae-koidzumii Naruh.

Rubus pentalobus Hayata

Common Name:

Rubus rolfei
Ripe fruits
Photograph by: Brian Chiu
Creative Commons License
Rubus rolfei Rubus rolfei Rubus rolfei Rubus rolfei

General Information

Rubus rolfei is an evergreen perennial plant with more or less woody, creeping stems that root at the nodes, sending up erect fruiting stems at intervals. The plant forms a mat of growth up to around 8cm tall[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].
The fruit is harvested from the wild for local use as a food. The plant is sometimes grown as an ornamental, where it can be used as a ground cover.

Known Hazards

None known

Botanical References

266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
,
451
Title
Flora Malesiana Series 1
Publication
 
Author
Various
Website
http://www.archive.org
Publisher
Nationaal Herbarium Nederiand, Universiteit Leiden branch
Year
0
ISBN
 
Description
A massive treatment of the plants of the Malaysian Archipelago. Much of it has been made available to download from the Internet

Range

E. Asia - Taiwan, Philippines.

Habitat

Open places, mixed forests at elevations of 1,300 - 3,800 metres in Taiwan[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
]. Forest and more open places like clearings at elevations of 900 - 2,700 metres in the Philippines[
451
Title
Flora Malesiana Series 1
Publication
 
Author
Various
Website
http://www.archive.org
Publisher
Nationaal Herbarium Nederiand, Universiteit Leiden branch
Year
0
ISBN
 
Description
A massive treatment of the plants of the Malaysian Archipelago. Much of it has been made available to download from the Internet
].

Properties

Edibility Rating *  *  *
Other Uses Rating *  *  *
HabitEvergreen Shrub
Height0.20 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details

Rubus rolfei is native to higher elevations in the subtropical and tropical zones of Taiwan and the Philippines. It has proved to be hardy in the milder regions of the temperate zone[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
Easily grown in a good well-drained loamy soil in sun or semi-shade[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Succeeds in deep shade.
Plants are evergreen in most climates but they can lose their leaves in severe winters.
Occasionally cultivated for its edible fruit, there are some named varieties[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. 'Emerald Carpet' is an ornamental thornless form with orange berries that resemble small raspberries[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
].
Plants in this genus are notably susceptible to honey fungus[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

Fruit - raw or cooked[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. Fleshy, with a sweet flavour[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
,
451
Title
Flora Malesiana Series 1
Publication
 
Author
Various
Website
http://www.archive.org
Publisher
Nationaal Herbarium Nederiand, Universiteit Leiden branch
Year
0
ISBN
 
Description
A massive treatment of the plants of the Malaysian Archipelago. Much of it has been made available to download from the Internet
]. The orange-yellow fruits are well-flavoured[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
345
Title
Minor Products of Philippine Forests
Publication
 
Author
Brown. W. H.
Publisher
Bureau of Forestry, Manilla.
Year
1920
ISBN
 
Description
A useful guide to some of the plants of the area, though terse on details. The book is out of copyright and can be legally downloaded from the Internet.
]. The yellow to orange or reddish, globose fruit is up to 14mm in diameter with a reddish persistent calyx[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].

Medicinal

None known

Agroforestry Uses:

A good ground cover plant for a sunny position or deep shade[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
]. It makes a firmly matted cover though it requires weeding for the first year or so[
197
Title
Ground Cover Plants.
Publication
 
Author
Royal Horticultural Society.
Publisher
Cassells.
Year
1989
ISBN
0-304-31089-1
Description
A handy little booklet from the R.H.S.
]. Plants are best spaced about 60cm apart each way[
208
Title
Plants for Ground Cover
Publication
 
Author
Thomas. G. S.
Publisher
J. M. Dent & Sons
Year
1990
ISBN
0-460-12609-1
Description
An excellent detailled book on the subject, very comprehensive.
].

Other Uses

A purple to dull blue dye is obtained from the fruit[
168
Title
Nature's Colors - Dyes from Plants.
Publication
 
Author
Grae. I.
Publisher
MacMillan Publishing Co. New York.
Year
1974
ISBN
0-02-544950-8
Description
A very good and readable book on dyeing.
].

Propagation

Seed - germinates best if given a period of cold stratification prior to sowing in containers. Stored seed requires one month stratification at about 3°c and is best sown as early as possible in the growing season. Prick out the seedlings when they are large enough to handle and grow on until large enough to plant out.
Cuttings of half-ripe wood in a frame[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Tip layering towards the end of the growing season
Division just before the plant comes into new growth or as it enters dormancy[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-09-16. <tropical.theferns.info/viewtropical.php?id=Rubus+rolfei>

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