Pretty Maids All In A Row
by Geri Glavis
Title
Pretty Maids All In A Row
Artist
Geri Glavis
Medium
Photograph - Photography
Description
Peruvian lily blooms photographed by Geri Glavis.
Alstroemeria (/ˌælstrɨˈmɪəriə/; syn. Alstremeria),[1] commonly called the Peruvian lily or lily of the Incas, is a South American genus of about 120 species of flowering plants. Almost all of the species are restricted to one of two distinct centers of diversity, one in central Chile, the other in eastern Brazil. Species of Alstroemeria from Chile are winter-growing plants while those of Brazil are summer-growing. All are long-lived perennials except A. (Taltalia) graminea, a diminutive annual from the Atacama Desert of Chile.
The plants are distinctive vegetatively, with a rootstock consisting of a slender rhizome or group of rhizomes (the "crown"). Storage roots consist of sausage-like water storing structures "suspended" from the rhizome by major roots. In this way the root system resembles that of dahlias. Above-ground shoots may be very short in some alpine Andean species (a few inches tall) or up to about 5 feet (1.5 m) tall in other species. Each year (more often in some hybrids) up to 80 new shoots are produced from the rootstock and each terminates in an umbel of a few up to 10 or so flowers.
A morphological trait of Alstroemeria and its relatives is that the leaves are resupinate, that is, they twist from the base so that what appears to be the upper leaf surface is in fact the lower leaf surface. This very unusual botanical feature is easily observed in the leaves on cut flowers from the florist.
The flowers of Alstroemeria are generally showy. All six tepals (tepal denotes either petal or sepal when both are similar, as in lilies, amaryllis, etc.) are roughly similar. In some species two tepals are enlarged and vividly colored and act as "flags" for pollination. The ovary is inferior and the seeds are hard and rounded.
See also Bomarea, the other major genus in the Alstroemeriaceae. They are essentially twining Alstroemerias (though some species are not vining), with most species occurring in the Andes.
Many hybrids and about 190 cultivars have been developed, with different markings and colors, ranging from white, golden yellow, and orange, to apricot, pink, red, purple, and lavender. The most popular and showy hybrids commonly grown today result from crosses between species from Chile (winter-growing) with species from Brazil (summer-growing). This strategy has overcome the problem of seasonal dormancy and resulted in plants that are evergreen, or nearly so, and flower for most of the year. This breeding work derives mainly from trials that began in the United States in the 1980s. The flower, which resembles a miniature lily, is very popular for bouquets and flower arrangements in the commercial cut flower trade. It has a vase life of about two weeks. It is sometimes also called 'Ulster Mary' (a corruption of the genus name).
Most cultivars available for the home garden will bloom in the late spring and early summer. The roots are hardy to a temperature of 23 °F (−5 °C). The plant requires at least six hours of morning sunlight, regular water, and well-drained soil.[2]
The following cultivars have gained the Royal Horticultural Society's Award of Garden Merit:-
'Apollo'[3]
'Coronet'[4]
'Friendship'[5]
'Orange gem'[6]
'Orange glory'[7]
'Yellow friendship'[8]
Some Alstroemeria are considered weeds in some environments.[9] It has become naturalised in Australia, New Zealand and the UK.[10] Therefore, care should be taken when introducing them to a new environment, so professional advice should be sought. When clearing by hand, the stems are easily broken as they are followed from the surface to the crown of rhizomes, thus making locating the crown difficult. Underground runners from the plant can lead to another crown which may not send stems to the surface, thus making their location impossible to know if the runner is broken or lost.[11] The plants can form dense clumps which makes removal expensive and difficult.
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June 29th, 2013
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