Biology:Hatiora herminiae
| Hatiora herminiae | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Hatiora |
| Species: | H. herminiae
|
| Binomial name | |
| Hatiora herminiae (Porto & A.Cast.) Backeb. ex Barthlott[2]
| |
| Synonyms[2] | |
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Hatiora herminiae is a species of flowering plant in the tribe Rhipsalideae, family Cactaceae. It grows as an epiphyte in cloud forests in Southeast Brazil.
Description
Hatiora herminiae is an epiphyte, growing up to about 30 cm (12 in) high, either upright or arching over. The stems are circular in cross-section, not ribbed, and are composed of segments 2–5 cm (0.8–2.0 in) long and 5 mm (0.2 in) in diameter. Branches occur at the ends of segments. Pink to magenta flowers are borne from areoles at the ends of stems, and are up to 2 cm (0.8 in) long, opening to 2.5 cm (1.0 in) across. Olive green berries follow the flowers.[3]
Taxonomy
The species was first described in 1940 by Paulo Campos Porto and Alberto Castellanos, as Hariota herminiae. Confusion over the status of the genus name Hariota later led to its replacement by the anagram Hatiora.[4] Like many species in the Rhipsalideae, it has also been placed in the genus Rhipsalis.[2] Molecular phylogenetic studies have firmly placed it in Hatiora.[5][6]
Distribution and habitat
Hatiora herminiae is endemic to Southeast Brazil, where it is found in the states of Minas Gerais and São Paulo.[2][1] It grows as an epiphyte, particularly on Araucaria, in cloud forests in the Serra da Mantiqueira at elevations of around 1,500–2,000 m (4,900–6,600 ft).[1][3]
Conservation
When assessed in 2010, it was considered to be endangered, the main threat being collection for its attractive flowers, but it was also threatened by declines in habitat.[1]
References
- ↑ 1.0 1.1 1.2 1.3 Taylor, N.P.; Zappi, D. (2013), Hatiora herminiae, International Union for Conservation of Nature, doi:10.2305/IUCN.UK.2013-1.RLTS.T152047A591015.en
- ↑ 2.0 2.1 2.2 2.3 "Hatiora herminiae (Porto & A.Cast.) Backeb. ex Barthlott", Plants of the World Online (Royal Botanic Gardens, Kew), http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:944062-1, retrieved 2019-07-11
- ↑ 3.0 3.1 Anderson, Edward F. (2001), The Cactus Family, Pentland, Oregon: Timber Press, ISBN 978-0-88192-498-5, p. 376
- ↑ "Plant Name Details for Hatiora herminiae (Porto & A.Cast.) Backeb. ex Barthlott", The International Plant Names Index, http://www.ipni.org/ipni/idPlantNameSearch.do?id=944062-1, retrieved 2019-07-11
- ↑ Calvente, Alice; Zappi, Daniela C.; Forest, Félix; Lohmann, Lúcia G. (2011), "Molecular phylogeny of tribe Rhipsalideae (Cactaceae) and taxonomic implications for Schlumbergera and Hatiora", Molecular Phylogenetics and Evolution 58 (3): 456–468, doi:10.1016/j.ympev.2011.01.001, PMID 21236350
- ↑ Korotkova, Nadja; Borsch, Thomas; Quandt, Dietmar; Taylor, Nigel P.; Müller, Kai F.; Barthlott, Wilhelm (2011), "What does it take to resolve relationships and to identify species with molecular markers? An example from the epiphytic Rhipsalideae (Cactaceae)", American Journal of Botany 98 (9): 1549–1572, doi:10.3732/ajb.1000502, PMID 21900612
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