Английская Википедия:Eucomis amaryllidifolia
Шаблон:Short description Шаблон:Speciesbox
Eucomis amaryllidifolia is a species of flowering plant in the family Asparagaceae, subfamily Scilloideae, native to the Cape Provinces.[1] It is a short, summer-flowering bulbous plant, with a dense spike (raceme) of yellowish-green flowers topped by a "head" of leafy bracts. In Afrikaans it is called Шаблон:Lang ('rock lily').[2]
Description
Eucomis amaryllidifolia is a short summer-growing bulbous plant, Шаблон:Cvt tall. Its bulb is more or less spherical, Шаблон:Cvt across, with a dark brown outer tunic. Five or six leaves emerge from the bulb, Шаблон:Cvt long and Шаблон:Cvt across. The margins of the leaves are wavy. The inflorescence is a densely packed raceme with 30–50 individual flowers. The raceme is topped by a head or "coma" formed from 13 to 20 bracts about Шаблон:Cvt long. The somewhat sweetly scented flowers have six yellowish green tepals, Шаблон:Cvt long by Шаблон:Cvt wide. The ovary is greenish yellow. The seeds are glossy and black.[2]
It flowers in summer and early autumn (January to March in its native South Africa).[2]
Taxonomy
Eucomis amaryllidifolia was first described by John Gilbert Baker in 1878.[1] He referred to the leaves as "Amaryllis-like" in contrast with the broader leaves of E. undulata (now a synonym of E. autumnalis), which it otherwise resembled.[3] In 1972, William Frederick Reyneke considered the species to be merely a variety of E. autumnalis, but then, in 1980, elevated it to a subspecies, as E. autumnalis subsp. amaryllidifolia. However, later research showed that E. amaryllidifolia was one of the smaller diploid species of Eucomis, with 2n = 2x = 30, whereas E. autumnalis was one of the larger tetraploid species, with 2n = 4x = 60. Accordingly, E. amaryllidifolia is now accepted as a full species.[2]
Distribution and habitat
Eucomis amaryllidifolia is native to the Cape Provinces of South Africa, and in particular the Eastern Cape,[2] possibly extending into the Orange Free State.[4] It grows on rocky slopes and ridges, in full sun.[2]
Cultivation
Eucomis amaryllidifolia was not in general cultivation Шаблон:As of. In the Kirstenbosch National Botanical Garden, it is grown in pots in an open, slightly acid medium. The pots are placed in a sunny position and watered well in summer, but kept completely dry in winter. A high potash fertilizer is used. The bulbs are considered to be hardy down to Шаблон:Cvt. Propagation is by seed, bulb slicing, leaf cuttings and tissue culture. Mealybugs can be a significant pest.[2]
References
- ↑ 1,0 1,1 Ошибка цитирования Неверный тег
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- Английская Википедия
- Scilloideae
- Flora of the Cape Provinces
- Plants described in 1878
- Taxa named by John Gilbert Baker
- Flora of the Free State
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