monotypic
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 "unisp ...
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
in the carrot family
Apiaceae
Apiaceae () or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium,'' and commonly known as the celery, carrot, or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering p ...
Colorado
Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
and
New Mexico
New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
.
This
perennial plant
In horticulture, the term perennial (''wikt:per-#Prefix, per-'' + ''wikt:-ennial#Suffix, -ennial'', "through the year") is used to differentiate a plant from shorter-lived annual plant, annuals and biennial plant, biennials. It has thus been d ...
produces a clump of herbage up to tall. Its leaves are green, rigid, and glossy, measuring are up to long and divided into segments up to in length. The
inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...
is an
umbel
UMBEL (Upper Mapping and Binding Exchange Layer) is a logically organized knowledge graph of 34,000 concepts and entity types that can be used in information science for relating information from disparate sources to one another. It was retired ...
with up to 10 reflexed rays bearing yellow flowers. The fruit has scattered oil tubes, a characteristic that helps distinguish this plant from related species. When crushed, the fruits smell like "fresh peaches".
Endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to the southern
Rocky Mountains
The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
in the United States, this plant is known from seven counties in
Colorado
Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...
; it may also occur in northern
New Mexico
New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
. Its population has been estimated at 48,680 to 58,490 individual plants.
This plant grows mainly on volcanic soils. It can be found on
dikes
Dyke or dike may refer to:
General uses
* Dyke (slang), a slang word meaning "lesbian"
* Dike (geology), formations of magma or sediment that cut through and across the layering of adjacent rocks
* Dike (mythology), ''Dikē'', the Greek goddess ...
,
lava
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...
flows, and
tuff
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is lithified into a solid rock. Rock that contains greater than 75% ash is considered tuff, while rock co ...
outcrops. It also grows on
sedimentary rock
Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...
. It can often be found in rock cracks on steep slopes and cliff faces. It is a very dry habitat, usually with full sun exposure. Though there are generally few other plants in the habitat, associated species may include ''
Pinus edulis
''Pinus edulis'', the Colorado pinyon, two-needle piñon, pinyon pine, or simply piñon, is a pine in the pinyon pine group native to the Southwestern United States, used for its edible pine nuts.
Description
The piñon pine (''Pinus edulis' ...
Pseudotsuga menziesii
The Douglas fir (''Pseudotsuga menziesii'') is an evergreen conifer species in the pine family, Pinaceae. It is the tallest tree in the Pinaceae family. It is native plant, native to western North America and is also known as Douglas-fir, Dougl ...
Cercocarpus montanus
''Cercocarpus montanus'' is a North American species of shrub or small tree in the family Rosaceae native to northern Mexico and the western United States. It is known by the common names alder-leaf mountain-mahogany, alder-leaf cercocarpus, and ...
'', ''
Ribes cereum
''Ribes cereum'' is a species of currant known by the common names wax currant and squaw currant; the ''pedicellare'' variety is known as whisky currant. The species is native to western North America.
Description
''Ribes cereum'' is a spread ...
'', ''
Eriogonum jamesii
''Eriogonum jamesii'' is a species of wild buckwheat known by the common name James' buckwheat and antelope sage. It is native to the southwestern United States, being found in: Colorado, Utah, Arizona, Texas, New Mexico, Oklahoma, and Nebraska. ...
'', ''
Opuntia polyacantha
''Opuntia polyacantha'' is a common species of cactus known by the common names plains pricklypear,Johnson, K. A. 2000''Opuntia polyacantha''.In: Fire Effects Information System, nline U.S. Department of Agriculture, Forest Service, Rocky Mo ...
'', ''
Echinocereus triglochidiatus
''Echinocereus triglochidiatus'' is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United S ...
'', ''
Heterotheca villosa
''Heterotheca villosa'', commonly known as the hairy goldenaster, is a species of flowering plant in the family Asteraceae found in central and western North America.
Description
Hairy golden aster can grow from tall, but is more typically t ...
'', and ''
Yucca glauca
''Yucca glauca'' ( syn. ''Yucca angustifolia'') is a species of perennial evergreen plant, adapted to xeric (dry) growth conditions. It is also known as small soapweed, soapweed yucca, Spanish bayonet, and Great Plains yucca.
''Yucca glauca'' ...
''. Grass species in the area include ''
Koeleria macrantha
''Koeleria macrantha'' is a species of grass known by the common name prairie Junegrass in North America and crested hair-grass in the UK. It is widespread across much of Eurasia and North America. It occurs in many habitat types.
Description
'' ...
'', ''
Chondrosum gracile
''Bouteloua'' is a genus of plants in the grass family Poaceae. Members of the genus are commonly known as grama grass.
Description
''Bouteloua'' includes both annual and perennial grasses, which frequently form stolons. Species have an inflor ...
Festuca
''Festuca'' (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae). They are evergreen or herbaceous perennial tufted grasses with a height range of and a cosmopolitan distribution, occurring on ...
'' species. A number of
lichen
A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...
s also grow in the habitat.
The main threat to this species is
off-road vehicle
An off-road vehicle (ORV), also known as an off-highway vehicle (OHV), overland vehicle or adventure vehicle, is a type of transportation specifically engineered to navigate unpaved roads and surfaces. These include trails, forest roads, and ...
use. This has caused
habitat fragmentation
Habitat fragmentation describes the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and ecosystem decay. Causes of habitat fragmentation include geological proces ...
at least once. Potential threats include other recreational activities and
grazing
In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to free range (roam around) and consume wild vegetations in order to feed conversion ratio, convert the otherwise indigestible (by human diges ...
. Most occurrences of the plant are relatively safe from most threats because they grow on steep, inaccessible slopes and cliff sides.