Lomatium roseanum

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Lomatium roseanum
Lomatium roseanum -21235 (14677976582).jpg
Status TNC G2.svg
Imperiled  (NatureServe)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Apiaceae
Genus: Lomatium
Species:
L. roseanum
Binomial name
Lomatium roseanum
Synonyms [1]
  • Leptotaenia leibergiiJ.M.Coult. & Rose 1900, not Lomatium leibergii J.M. Coult. & Rose 1900

Lomatium roseanum, adobe parsley, also known as adobe lomatium and rose-flowered desert-parsley, is a very rare plant of the Western U.S., known only from northwestern Nevada and southeastern Oregon, and which may also occur in northeastern California. The largest populations occur on the Sheldon National Wildlife Refuge. [2] It is a member of the celery family, the Umbelliferae, and has yellow flowers.

Contents

Technical description

Distribution, habitat, and ecology

The range of adobe parsley is extremely limited: it is known only from Washoe County in Nevada and nearby places in southeastern Oregon, where it has possibly already been extirpated. It is also suspected to exist in Humboldt County, Nevada. Fewer than 20 known populations exist, though these can be large. [2]

Adobe parsley lives in loose, rocky habitat. Specifically, it prefers dry basalt talus scree overlying clay soils. It associates with the low sagebrush community, and specific associates include Artemisia arbuscula , Poa secunda , Elymus elymoides , Arenaria aculeata , Phlox spp., Erigeron linearis , etc. [2]

The fire ecology is unknown for members of this genus. The low sagebrush community type within which adobe parsley lives generally lacks enough fuels to carry a fire. When it does burn, these non-fire adapted shrubs are usually killed and replaced by medusahead and cheatgrass, and re-establish low sagebrush vegetation through time (2 to 5 years) via seeds. [4]

Conservation status and threats

Field identification

Adobe parsley occurs between 5,750 feet (1,750 m) and 6,175 feet (1,882 m) above sea level. It flowers and may be most easily recognized in early spring, i.e., between April and June. It stands out because of its tuberous root, yellow flowers, and green shiny leaves. [2] It resembles L. hendersonii , which is found farther north, but is more robust (larger) and somewhat caulescent. [3]

Related Research Articles

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Artemisia tridentata, commonly called big sagebrush, Great Basin sagebrush or (locally) simply sagebrush, is an aromatic shrub from the family Asteraceae, which grows in arid and semi-arid conditions, throughout a range of cold desert, steppe, and mountain habitats in the Intermountain West of North America. The vernacular name "sagebrush" is also used for several related members of the genus Artemisia, such as California sagebrush.

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<i>Lomatium</i> Genus of flowering plants

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<i>Lomatium dissectum</i> Species of flowering plant

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<i>Allium cernuum</i> Species of flowering plant

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<i>Allium acuminatum</i> Species of flowering plant

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<i>Allium atrorubens</i> Species of flowering plant

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<i>Lomatium grayi</i> Species of flowering plant

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<i>Artemisia papposa</i> Species of flowering plant

Artemisia papposa is a species of flowering plant in the aster family known by the common names Owyhee sage, Owyhee sagebrush, and fuzzy sagebrush. It is native to the Snake River Plain and surrounding areas in the northwestern United States, occurring in southern Idaho, eastern Oregon, and northern Nevada.

Tonestus graniticus, common names granite serpentweed and Lone Mountain serpentweed, is a rare endemic plant species known only from the east side of Lone Mountain in Esmeralda County, Nevada, about 20 km west of Tonopah. It grows there in the crevices of granitic outcrops.

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References

  1. Tropicos, Lomatium roseanum Cronquist
  2. 1 2 3 4 5 Morefield, J.D. (25 June 2001). "Lomatium roseanum". Nevada Rare Plant Atlas. Nevada Natural Heritage Program. Archived from the original on 1 March 2007. Retrieved 2007-03-28.
  3. 1 2 Cronquist, Arthur; Noel H. Holmgren; Patricia K. Holmgren (1997). "Apiaceae". Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Volume Three, Part A: Subclass Rosidae (except Fabales). pp. 412–413.
  4. Steinberg, Peter D. (2002). "Artemisia arbuscula". Fire Effects Information System. USDA FS RMRS Fire Sciences Laboratory. Retrieved 2007-03-28.

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