Omphalissa
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Omphalissa is an unaccepted
subgenus In biology, a subgenus (plural: subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between t ...
of
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''Hippeastrum'', within the family
Amaryllidaceae The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus ''Amaryllis'' and is commonly known as the amaryllis fa ...
. Originally described by
Richard Anthony Salisbury Richard Anthony Salisbury, FRS (born Richard Anthony Markham; 2 May 1761 – 23 March 1829) was a British botanist. While he carried out valuable work in horticultural and botanical sciences, several bitter disputes caused him to be ostracised ...
in 1866.


Description

Robust habit, two to four large flowers.
Perianth The perianth (perigonium, perigon or perigone in monocots) is the non-reproductive part of the flower, and structure that forms an envelope surrounding the sexual organs, consisting of the calyx (sepals) and the corolla (petals) or tepals when ...
with a short tube(< 4 cm), paraperigonium curved closing the throat by a distinct neck. Stigma trifid or capitate, lobes > 2 mm.
Spathe In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...
slit to the base. Ribbon-like leaves, 2.5 to 5 cm broad. Many dry, flat seeds.Baker, J.G. An enumeration and classification of the species of ''Hippeastrum'', in Henry Trimen (ed.). Journal of Botany: British and Foreign, Volume 16. West, Newman & Company, London 1878, p. 81
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Taxonomy

Salisbury originally described the Omphalissa as a subgroup of the
Zephyrantheae Zephyrantheae Salisb. is a now obsolete tribe within the American clade of family Amaryllidaceae ( subfamily Amaryllidoideae), containing five genera (''Habranthus'', ''Pyrolirion'', ''Rhodophiala'', ''Sprekelia'', ''Zephyranthes'').
, then a tribe within the
Amaryllidaceae The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus ''Amaryllis'' and is commonly known as the amaryllis fa ...
, in which he included ''Amaryllis'' (now ''Hippeastrum'') ''aulica'' and ''A. calyptrata''. This was subsequently more formally defined by John Gilbert Baker in 1888, as a subgenus of ''Hippeastrum ''with six species. Baker's six species were; * '' Hippeastrum aulicum'' * ''Hippeastrum organense'' (now '' Hippeastrum correiense'') * ''
Hippeastrum psittacinum ''Hippeastrum psittacinum'' (Parrot Amaryllis) is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native to Brazil. Description Leaves, up to 8, strap like, length 45 cm. height 60 cm. Flowers, four tr ...
'' * '' Hippeastrum calyptratum'' * ''
Hippeastrum cybister ''Hippeastrum cybister'' is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native from Bolivia to Argentina. Description The stem is nineteen inches tall. Ecology The flowering season is Spring to Summer, w ...
'' * ''
Hippeastrum pardinum ''Hippeastrum pardinum'' is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, from Peru to Bolivia. Originally collected in 1866 by Richard Pearce (botanist), Richard Pearce, it was used in breeding programmes. Descr ...
''


Other selected species of ''Hippeastrum''

*'' Hippeastrum bukasovii'' *'' Hippeastrum hugoi'' *''
Hippeastrum intiflorum ''Hippeastrum'' () is a genus of about 90 species and over 600 hybrids and cultivars of perennial herbaceous bulbous plants. They generally have large fleshy bulbs and tall broad leaves, generally evergreen, and large red or purple flowers. ...
'' *''
Hippeastrum miniatum ''Hippeastrum miniatum'' is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native to Peru. Description Flowers are bright orange-red (vermilion) with up to six flowers per stem. Bulbs ovate, 5–8 cm in len ...
'' *'' Hippeastrum morelianum'' *'' Hippeastrum iguazuanum''


Ecology

Contains the
epiphytic An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...
species of ''Hippeastrum''.


References

Amaryllidoideae Flora of South America Hippeastrum Garden plants of South America Plant subgenera {{Amaryllidaceae-stub