''Penaea'' is a genus of flowering plants in the family
Penaeaceae
The Penaeaceae are a family of evergreen, leathery-leaved shrubs and small trees, native to South Africa. The family has 29 species in 9 genera.Stevens, P. F. (2001 onwards)Penaeaceae. , found in southern South Africa. They have an unusual type of
embryo sac
In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the ''integument'', forming its outer layer, the ''nucellus'' (or remnant of the megasporangium), and the fem ...
development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo sac containing four polar groups each with three cells. When found in other taxa, these embryo sacs are termed ''Penaea''-type.
Species
Currently accepted species include:
*''
Penaea acuta''
Thunb.
*''
Penaea acutifolia
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
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A.Juss.
*''
Penaea candolleana
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Stephens
*''
Penaea cneorum
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Meerb.
*''
Penaea dahlgrenii
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Rourke
*''
Penaea dubia
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Stephens
*''
Penaea ericifolia
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
(A.Juss.) Gilg
*''
Penaea ericoides''
(A.Juss.) Endl.
*''
Penaea formosa
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Thunb.
*''
Penaea fruticulosa''
L.f.
*''
Penaea fucata
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
L.
*''
Penaea geneiophora
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
Byng & Christenh.
*''
Penaea gigantea''
(R.Dahlgren) Byng & Christenh.
*''
Penaea lanceolata
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
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(R.Dahlgren) Byng & Christenh.
*''
Penaea lateriflora
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
L.f.
*''
Penaea micrantha''
(R.Dahlgren) Byng & Christenh.
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Penaea microphylla''
(Rourke) Byng & Christenh.
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Penaea mucronata''
L.
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Penaea mundii''
(Sond.) Byng & Christenh.
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Penaea petraea''
(W.F.Barker) Byng & Christenh.
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Penaea retzioides''
(Sond.) Byng & Christenh.
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Penaea rupestris''
(Sond.) Byng & Christenh.
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Penaea ruscifolia''
(R.Dahlgren) Byng & Christenh.
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Penaea sarcocolla''
L.
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Penaea speciosa''
(Sond.) Byng & Christenh.
*''
Penaea sulcata
''Penaea'' is a genus of flowering plants in the family Penaeaceae, found in southern South Africa. They have an unusual type of embryo sac development; after two rounds of mitosis, four nuclei are formed at each pole, leading to a mature embryo ...
''
(R.Dahlgren) Byng & Christenh.
References
{{Taxonbar, from=Q9057986
Penaeaceae
Myrtales genera