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''Echinocereus triglochidiatus'' is a species of hedgehog cactus known by several common names, including kingcup cactus, claretcup, and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes, scrub, and mountain woodland. It is most abundant in shady areas.
A number of varieties of this highly variable cactus species are known, but not all are universally recognized. In general, it is a mounding cactus, forming bulbous piles of a few to hundreds of spherical to cylindrical stems. It is densely spiny and somewhat woolly. The showy flower is a funnel-shaped bloom up to 8-9 cm wide and bright scarlet red to orange-red
Jepson Manual TreatmentUSDA Plants ProfileFlora of North America ProfilePhoto gallery
triglochidiatus Cacti of Mexico Cacti of the United States Flora of the California desert regions Flora of the Chihuahuan Desert Flora of the Sonoran Deserts Flora of New Mexico Flora of Arizona Flora of Colorado Flora of Northwestern Mexico Natural history of the Lower Colorado River Valley Natural history of the Mojave Desert North American desert flora {{Cactus-stub
''Echinocereus triglochidiatus'' is a species of hedgehog cactus known by several common names, including kingcup cactus, claretcup, and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes, scrub, and mountain woodland. It is most abundant in shady areas.
A number of varieties of this highly variable cactus species are known, but not all are universally recognized. In general, it is a mounding cactus, forming bulbous piles of a few to hundreds of spherical to cylindrical stems. It is densely spiny and somewhat woolly. The showy flower is a funnel-shaped bloom up to 8-9 cm wide and bright scarlet red to orange-red tepal
A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...
s. A thick nectar chamber and many thready pink stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filame ...
s are at the center of the corolla. The flowers are pollinated by hummingbird
Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra del Fuego, but the vast majority of the species are found in the tropics aro ...
s.
One variety,'' E. t.'' ''arizonicus'', is federally listed as an endangered species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...
in the United States. It is limited to the intersection of Arizona
Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
and New Mexico
)
, population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano)
, seat = Santa Fe
, LargestCity = Albuquerque
, LargestMetro = Tiguex
, OfficialLang = None
, Languages = English, Spanish ( New Mexican), Navajo, Ker ...
in the United States with Mexico. This variety is sometimes included within '' Echinocereus coccineus''.
The conservation status of several subspecies differs from that displayed. Examples include:
*'' E. t.'' var. ''arizonicus'' Arizona hedgehog cactus (endangered)
*'' E. t.'' var. ''melanacanthus'' black-spine claret-cup hedgehog (salvage restricted)
*'' E. t.'' var. ''neomexicanus'' Mexican claret-cup hedgehog (salvage restricted)
'' E. triglochidiatus'' is the official state cactus of Colorado.
Etymology
Presumably, thespecific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
comes from ''tri-
Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin numerous series of words. For example:
* unicycle, bicycle, tricycle (1-cycle, 2-cycle, 3-cyc ...
'' and ''glochidium
The glochidium (plural glochidia) is a microscopic larval stage of some freshwater mussels, aquatic bivalve mollusks in the families Unionidae and Margaritiferidae, the river mussels and European freshwater pearl mussels.
These larvae are t ...
'', with a meaning of "having three arrow points".
References
External links
Jepson Manual Treatment
triglochidiatus Cacti of Mexico Cacti of the United States Flora of the California desert regions Flora of the Chihuahuan Desert Flora of the Sonoran Deserts Flora of New Mexico Flora of Arizona Flora of Colorado Flora of Northwestern Mexico Natural history of the Lower Colorado River Valley Natural history of the Mojave Desert North American desert flora {{Cactus-stub