Dalechampia Humilis on:
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''Dalechampia'' is a genus of plant of the family Euphorbiaceae and of the
/ref> Additional new species are still being described and several are very rare and at risk ofFlora of China Vol. 11 Page 258 黄蓉花属 huang rong hua shu ''Dalechampia'' Linnaeus, Sp. Pl. 2: 1054. 1753.
/ref> ''Dalechampia'' has unisexual flowers that are secondarily united into bisexual blossoms (pseudanthia), which act as the pollination units. The pollination and floral evolution of this genus have been studied more intensively than perhaps any other member of the euphorbia family. In the neotropics (Americas), most species are pollinated by resin-collecting female bees, including euglossine bees and '' Hypanthidium'' of the Megachilidae, which use resin in nest construction. About a dozen neotropical species (including ''D. spathulata'', shown below) are pollinated by fragrance-collecting male euglossine bees, which use these fragrances to attract females for mating. There are at least three independent pollination shifts from pollination by female resin-collecting bees to pollination by male fragrance-collecting bees. African and Asian species are also pollinated by resin-collecting megachilid bees, but Malagasy species are pollinated by pollen-feeding beetles and pollen-collecting bees. Two species are of horticultural interest, '' D. spathulata'' and '' D. aristolochiifolia'', have particularly showy blossoms with bright pink/purple bracts. ''
;Species
monogeneric
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
subtribe
Subtribe is a taxonomic category ranking which is below the rank of tribe and above genus. The standard suffix for a subtribe is -ina (in animals) or -inae (in plants
Plants are predominantly photosynthetic eukaryotes of the kingdom Plant ...
Dalechampiinae. It is widespread across lowland tropical areas (generally below 2,000 m ASL
American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is express ...
) primarily in the Americas
The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World.
Along with th ...
with smaller numbers of species in Africa, Madagascar, and southern Asia.Kew World Checklist of Selected Plant Families/ref> Additional new species are still being described and several are very rare and at risk of
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
ion./ref> ''Dalechampia'' has unisexual flowers that are secondarily united into bisexual blossoms (pseudanthia), which act as the pollination units. The pollination and floral evolution of this genus have been studied more intensively than perhaps any other member of the euphorbia family. In the neotropics (Americas), most species are pollinated by resin-collecting female bees, including euglossine bees and '' Hypanthidium'' of the Megachilidae, which use resin in nest construction. About a dozen neotropical species (including ''D. spathulata'', shown below) are pollinated by fragrance-collecting male euglossine bees, which use these fragrances to attract females for mating. There are at least three independent pollination shifts from pollination by female resin-collecting bees to pollination by male fragrance-collecting bees. African and Asian species are also pollinated by resin-collecting megachilid bees, but Malagasy species are pollinated by pollen-feeding beetles and pollen-collecting bees. Two species are of horticultural interest, '' D. spathulata'' and '' D. aristolochiifolia'', have particularly showy blossoms with bright pink/purple bracts. ''
Dalechampia aristolochiifolia
''Dalechampia'' is a genus of plant of the family Euphorbiaceae and of the monogeneric subtribe Dalechampiinae. It is widespread across lowland tropical areas (generally below 2,000 m ASL) primarily in the Americas with smaller numbers of species ...
'', from Peru, has become very popular recently, but it is mistakenly advertised and distributed under the name '' D. dioscoreifolia''.
;Species
References
*Armbruster WS. 1984. The role of resin in angiosperm pollination: ecological and chemical considerations. American Journal of Botany 71: 1149–1160. *Armbruster WS. 1985. Patterns of character divergence and the evolution of reproductive ecotypes of ''Dalechampia scandens'' (Euphorbiaceae). Evolution 39: 733–752. *Armbruster WS. 1988. Multilevel comparative analysis of morphology, function, and evolution of ''Dalechampia'' blossoms. Ecology 69: 1746–1761. *Armbruster WS. 1990. Estimating and testing the shapes of adaptive surfaces: the morphology and pollination of ''Dalechampia'' blossoms. American Naturalist 135: 14–31. *Armbruster WS, Gong Y-B, Huang S-Q. 2011. Are pollination “syndromes” predictive? --Asian ''Dalechampia'' fit neotropical models. American Naturalist 178: 135–143. *Armbruster WS, Lee J, Edwards ME, Baldwin BG. 2013. Floral paedomorphy leads to secondary specialization in pollination of Madagascar ''Dalechampia'' (Euphorbiaceae). Evolution 67:1196–1203. *Armbruster WS, Herzig AL, 1984. Partitioning and sharing of pollinators by four sympatric species of ''Dalechampia'' (Euphorbiaceae) in Panama. Annals of the Missouri Botanical Garden 71: 1–16. *Webster GL, Armbruster WS. 1991. A synopsis of the neotropical species of ''Dalechampia''. Botanical Journal of the Linnean Society, London 105: 137–177. *Webster GL, Webster BD. 1972. Morphology and relationships of ''Dalechampia scandens'' (Euphorbiaceae). American Journal of Botany 59: 573–586. {{Taxonbar, from=Q5210733 Plukenetieae Euphorbiaceae genera