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| Crabapples are an excellent source of ], and their ] can be made into a ruby-coloured ] with a full, spicy flavour.<ref>{{cite book|last=Rombauer|first=I.|authorlink=Irma S. Rombauer|author2=Becker, M. R. |author3=Becker, E. |title=All About Canning & Preserving (] series)|publisher=Scribner|location=New York|origyear=2002|pages=72|isbn=0-7432-1502-8|year=2002}}</ref> A small percentage of crabapples in ] makes a more interesting flavour.<ref>{{cite web|url=http://www.cider.org.uk/part1.htm|title=The Science of Cidermaking|publisher=Andrew Lea|accessdate=November 2013}}</ref> As ] ''Wergulu'', the crab apple is one of the nine plants invoked in the ] '']'', recorded in the 10th century. | Crabapples are an excellent source of ], and their ] can be made into a ruby-coloured ] with a full, spicy flavour.<ref>{{cite book|last=Rombauer|first=I.|authorlink=Irma S. Rombauer|author2=Becker, M. R. |author3=Becker, E. |title=All About Canning & Preserving (] series)|publisher=Scribner|location=New York|origyear=2002|pages=72|isbn=0-7432-1502-8|year=2002}}</ref> A small percentage of crabapples in ] makes a more interesting flavour.<ref>{{cite web|url=http://www.cider.org.uk/part1.htm|title=The Science of Cidermaking|publisher=Andrew Lea|accessdate=November 2013}}</ref> As ] ''Wergulu'', the crab apple is one of the nine plants invoked in the ] '']'', recorded in the 10th century. | ||
| Apple wood gives off a pleasant scent when burned, and smoke from an apple wood fire gives an excellent flavour to ] foods. |
Apple wood gives off a pleasant scent when burned, and smoke from an apple wood fire gives an excellent flavour to ] foods. It is easier to cut when green; dry apple wood is exceedingly difficult to carve by hand. It is a good wood for cooking fires because it burns hot and slow, without producing much flame. | ||
| Because of the plentiful blossoms and small fruit, crabapples are popular for use in ] culture. | Because of the plentiful blossoms and small fruit, crabapples are popular for use in ] culture. | ||
Revision as of 13:19, 29 July 2016
"Crabapple" and "Wild apple" redirect here. For the cultivated fruit, see Apple. For the unrelated Australian tree, see Pouteria eerwah. For other uses, see Crabapple (disambiguation) and Malus (disambiguation)
| Malus | |
|---|---|
| |
| Malus 'Purple Prince' | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Subfamily: | Amygdaloideae |
| Tribe: | Maleae |
| Subtribe: | Malinae |
| Genus: | Malus Mill. |
| Species | |
| |
Malus (/ˈmeɪləs/ or /ˈmæləs/) is a genus of about 30–55 species of small deciduous apple trees or shrubs in the family Rosaceae, including the domesticated orchard apple (M. domestica). The other species are generally known as crabapples, crab apples, crabs, or wild apples.
The genus is native to the temperate zone of the Northern Hemisphere.
Description
Apple trees are typically 4–12 m (13–39 ft) tall at maturity, with a dense, twiggy crown. The leaves are 3–10 cm (1.2–3.9 in) long, alternate, simple, with a serrated margin. The flowers are borne in corymbs, and have five petals, which may be white, pink or red, and are perfect, with usually red stamens that produce copious pollen, and a half-inferior ovary; flowering occurs in the spring after 50–80 growing degree days (varying greatly according to subspecies and cultivar).
Apples require cross-pollination between individuals by insects (typically bees, which freely visit the flowers for both nectar and pollen); all are self-sterile, and (with the exception of a few specially developed cultivars) self-pollination is impossible, making pollinating insects essential. Several Malus species, including domestic apples, hybridize freely. They are used as food plants by the larvae of a large number of Lepidoptera species; see list of Lepidoptera that feed on Malus.
The fruit is a globose pome, varying in size from 1–4 cm (0.39–1.57 in) diameter in most of the wild species, to 6 cm (2.4 in) in M. sylvestris sieversii, 8 cm (3.1 in) in M. domestica, and even larger in certain cultivated orchard apples. The centre of the fruit contains five carpels arranged star-like, each containing one or two seeds.
Cultivation
For the Malus domestica cultivars, the cultivated apples, see Apple.
Crabapples are popular as compact ornamental trees, providing blossom in Spring and colourful fruit in Autumn. The fruits often persist throughout Winter. Numerous hybrid cultivars have been selected, of which 'Evereste' and 'Red Sentinel' have gained The Royal Horticultural Society's Award of Garden Merit.
Other varieties are dealt with under their species names.
Some crabapples are used as rootstocks for domestic apples to add beneficial characteristics. For example, varieties of Baccata, also called Siberian crab, rootstock is used to give additional cold hardiness to the combined plant for orchards in cold northern areas.
They are also used as pollinizers in apple orchards. Varieties of crabapple are selected to bloom contemporaneously with the apple variety in an orchard planting, and the crabs are planted every sixth or seventh tree, or limbs of a crab tree are grafted onto some of the apple trees. In emergencies, a bucket or drum bouquet of crabapple flowering branches are placed near the beehives as orchard pollenizers. See also Fruit tree pollination.
Crabapples are small and sour tasting, and visually resemble a small apple, particularly some apples known as the "Lady Apple", which is also known as Pomme d'Api, Lady's Finger, Wax Apple and Christmas Apple.
Uses
Crabapple fruit is not an important crop in most areas, being extremely sour due to malic acid (which like the genus derives from the Latin name mālum), and in some species woody, and is rarely eaten raw for this reason. In some southeast Asian cultures they are valued as a sour condiment, sometimes eaten with salt and chili pepper, or shrimp paste.
Some crabapple varieties are an exception to the reputation of being sour, and can be very sweet, such as the 'Chestnut' cultivar.
Crabapples are an excellent source of pectin, and their juice can be made into a ruby-coloured preserve with a full, spicy flavour. A small percentage of crabapples in cider makes a more interesting flavour. As Old English Wergulu, the crab apple is one of the nine plants invoked in the pagan Anglo-Saxon Nine Herbs Charm, recorded in the 10th century.
Apple wood gives off a pleasant scent when burned, and smoke from an apple wood fire gives an excellent flavour to smoked foods. It is easier to cut when green; dry apple wood is exceedingly difficult to carve by hand. It is a good wood for cooking fires because it burns hot and slow, without producing much flame.
Because of the plentiful blossoms and small fruit, crabapples are popular for use in bonsai culture.
Species
- Malus angustifolia – Southern crabapple
- Malus asiatica – Chinese pearleaf crabapple
- Malus baccata – Siberian crabapple
- Malus brevipes – Shrub apple
- Malus coronaria – Sweet crabapple
- Malus domestica – Orchard apple
- Malus doumeri – Taiwan crabapple
- Malus florentina – Florentine crabapple, hawthorn-leaf crabapple
- Malus floribunda – Japanese crabapple
- Malus fusca – Oregon or Pacific crabapple
- Malus glabrata – Biltmore's crabapple
- Malus glaucescens – Dunbar crabapple
- Malus halliana – Hall crabapple
- Malus honanensis
- Malus hopa – Flowering crabapple
- Malus hupehensis – Tea crabapple
- Malus ioensis – Prairie crabapple
- Malus kansuensis – Calva crabapple
- Malus × micromalus – Midget crabapple
- Malus prattii – Pratt's crabapple
- Malus prunifolia – plum-leaf crabapple, Chinese crabapple
- Malus pumila – feral M. domestica?
- Malus rockii – native to China and Bhutan
- Malus sargentii – Sargent crabapple
- Malus sieboldii – Toringo crabapple or Siebold's crabapple
- Malus sieversii – Asian wild or Almaty apple
- Malus sikkimensis – Sikkim crabapple
- Malus spectabilis – Asiatic apple, Chinese crabapple
- Malus sublobata – Yellow autumn crabapple
- Malus sylvestris – European wild apple
- Malus toringoides – Cut-leaf crabapple
- Malus transitoria – Cut-leaf crabapple
- Malus trilobata – Lebanese wild apple, erect crab apple, or three-lobed apple tree
- Malus tschonoskii – Chonosuki crabapple and pillar apple
- Malus yunnanensis – Yunnan crabapple
Cultivars
- Malus x adstringens 'Durleo' - Gladiator Crabapple
- Malus × moerlandsii Door. 'profusion' - Profusion crabapple
References
- Cirrus Digital Purple Prince Crabapple
- Potter, D., et al. (2007). Phylogeny and classification of Rosaceae. Plant Systematics and Evolution. 266(1–2): 5–43.
- Sunset Western Garden Book, 1995:606–607
- Phipps, J.B.; et al. (1990). "A checklist of the subfamily Maloideae (Rosaceae)". Can. J. Bot. 68 (10): 2209. doi:10.1139/b90-288.
- "Macro video of a Malus Evereste apple on a tree in winter". YouTube.
- Ken Wilson and D.C. Elfving. "Crabapple Pollenizers for Apples". Ontario Ministry of Agriculture and Food. Retrieved 12 Sep 2013.
- "RHS Plant Selector - Malus 'Evereste'". Retrieved 20 July 2013.
- "RHS Plant Selector - Malus 'Red Sentinel'". Retrieved 20 July 2013.
- Apple Tree Rootstocks Ecogardening Factsheet #21, Summer 1999
- Alaska Department of Natural Resources
- "The Growing Guide". Stark Bro's Nurseries & Orchards Co.
- Rombauer, I.; Becker, M. R.; Becker, E. (2002) . All About Canning & Preserving (The Joy of Cooking series). New York: Scribner. p. 72. ISBN 0-7432-1502-8.
- "The Science of Cidermaking". Andrew Lea. Retrieved November 2013.
{{cite web}}: Check date values in:|accessdate=(help) - "Malus x adstringens 'Durleo' 'Gladiator Crabapple'". Countryside Garden Centre. Countryside Garden Centre. Retrieved 6 June 2016.
External links
Media related to Malus at Wikimedia Commons
- Germplasm Resources Information Network: Malus
- Flora of China: Malus
- Virginia Cooperative Extension - Disease resistant crabapples Archived 2007-02-08 at the Wayback Machine
- The PRI disease resistant apple breeding program: a cooperative among Purdue University, Rutgers University, and the University of Illinois.
| "Crabapple" or "Wild apple" (of the genus Malus) | ||
|---|---|---|
| Species, varieties and cultivars |
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| Topics | ||
