| Anathallis microphyta | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Genus: | Anathallis |
| Species: | A. microphyta |
| Binomial name | |
| Anathallis microphyta (Barb.Rodr.) C.O. Azevedo & Van den Berg (2005) | |
| Synonyms | |
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Plant reproductive morphology is the study of the physical form and structure of those parts of plants directly or indirectly concerned with sexual reproduction.
Self-incompatibility (SI) is a general name for several genetic mechanisms that prevent self-fertilization in sexually reproducing organisms, and thus encourage outcrossing and allogamy. It is contrasted with separation of sexes among individuals (dioecy), and their various modes of spatial (herkogamy) and temporal (dichogamy) separation.
Heterostyly is a unique form of polymorphism and herkogamy in flowers. In a heterostylous species, two or three morphological types of flowers, termed "morphs", exist in the population. On each individual plant, all flowers share the same morph. The flower morphs differ in the lengths of the pistil and stamens, and these traits are not continuous. The morph phenotype is genetically linked to genes responsible for a unique system of self-incompatibility, termed heteromorphic self-incompatibility, that is, the pollen from a flower on one morph cannot fertilize another flower of the same morph.
Ciona intestinalis is an ascidian, a tunicate with very soft tunic. Its Latin name literally means "pillar of intestines", referring to the fact that its body is a soft, translucent column-like structure, resembling a mass of intestines sprouting from a rock. It is a globally distributed cosmopolitan species. Since Linnaeus described the species, Ciona intestinalis has been used as a model invertebrate chordate in developmental biology and genomics. Studies conducted between 2005 and 2010 have shown that there are at least two, possibly four, sister species. More recently it has been shown that one of these species has already been described as Ciona robusta. By anthropogenic means, the species has invaded various parts of the world and is known as an invasive species.
The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation. They prevent members of different species from producing offspring, or ensure that any offspring are sterile. These barriers maintain the integrity of a species by reducing gene flow between related species.
Anathallis is a genus of orchids, comprising about 97 species native to Mexico, Central America, South America and the West Indies.
Gynodioecy is a rare breeding system that is found in certain flowering plant species in which female and hermaphroditic plants coexist within a population. Gynodioecy is the evolutionary intermediate between hermaphroditism and dioecy.
Anathallis aristulata is a species of orchid found in South America.
Anathallis ferdinandiana is a species of orchid.
Anathallis graveolens is a species of orchid.
Anathallis imbricata is a species of orchid.
Anathallis linearifolia is a species of orchid.
Anathallis modesta is a species of orchid.
Anathallis ourobranquensis is a species of orchid.
Anathallis reedii is a species of orchid.
Anathallis rubens is a species of orchid.
Anathallis sclerophylla is a species of orchid.
Anathallis subnulla is a species of orchid plant native to Brazil.
Anathallis trullilabia is a species of orchid plant native to Brazil.
Anathallis angustilabia is a species of plant in the Orchidaceae family.
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