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Erythranthe inflatula

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Species of succulent
Erythranthe inflatula
Conservation status

Imperiled  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Erythranthe
Species: E. inflatula
Binomial name
Erythranthe inflatula
(Suksd.) G.L.Nesom
Synonyms
  • Mimulus evanescens Meinke
  • Mimulus inflatulus Suksd.

Erythranthe inflatula, synonyms Mimulus inflatulus and Mimulus evanescens, is a rare species of monkeyflower known by the common name disappearing monkeyflower. It is native to the western United States, where it is known from about ten locations in and around the Great Basin within the states of Idaho, Oregon, and California; it is also found in Nevada. Specimens of the plant had been catalogued as Mimulus breviflorus (now Erythranthe breviflora), but on further examination it was evident that they were a separate, unclassified species; this was described to science in 1995. It is thought that the plant may have evolved via hybridization between Erythranthe breviflora and Erythranthe latidens, or that it evolved from E. latidens and then into E. breviflora.

Erythranthe inflatula is a succulent annual herb coated with tiny glandular hairs and having a somewhat slimy texture. The thin stems grow mostly erect to a maximum height near 25 centimeters (9.8 in). The leaves are lance-shaped to oval and up to 4 centimeters (1.6 in) long by 3 centimeters (1.2 in) wide. The flowers are small and barely open, their tubular bases enclosed in a ribbed calyx of sepals, which becomes papery and inflated as the fruits mature. The flower is less than 1 centimeter (0.39 in) long and is mostly yellow in color, sometimes with brownish dots in the throat.

Erythranthe inflatula has been observed in rocky sagebrush habitat, especially in areas still moist from early spring soaking. Most of the areas where the plant grows are on rangeland used for grazing livestock. Threats to the plant include land degradation from cattle grazing, encroachment by invasive plant species, and changes in the hydrology of the plant's vernally wet habitat.

References

  1. ^ "Erythranthe inflatula (Suksd.) G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-04-16.
  2. ^ Meinke, R. J. (1995). "Mimulus evanescens (Scrophulariaceae): A new annual species from the northern Great Basin". Great Basin Naturalist. 55 (3): 249–57.
  3. Barker, W. L. (Bill); et al. (2012). "A Taxonomic Conspectus of Phyrmaceae: A Narrowed Circumscription for MIMULUS, New and Resurrected Genera, and New Names and Combinations" (PDF). Phytoneuron. 39: 1–60. ISSN 2153-733X.
  4. Beardsley, P. M.; Yen, Alan; Olmstead, R. G. (2003). "AFLP Phylogeny of Mimulus Section Erythranthe and the Evolution of Hummingbird Pollination". Evolution. 57 (6): 1397–1410. doi:10.1554/02-086. JSTOR 3448862. PMID 12894947. S2CID 198154155.
  5. Beardsley, P. M.; Olmstead, R. G. (2002). "Redefining Phrymaceae: the placement of Mimulus, tribe Mimuleae, and Phryma". American Journal of Botany. 89 (7): 1093–1102. doi:10.3732/ajb.89.7.1093. JSTOR 4122195. PMID 21665709.
  6. Beardsley, P. M.; Schoenig, Steve E.; Whittall, Justen B.; Olmstead, Richard G. (2004). "Patterns of Evolution in Western North American Mimulus (Phrymaceae)". American Journal of Botany. 91 (3): 474–4890. doi:10.3732/ajb.91.3.474. JSTOR 4123743. PMID 21653403.
  7. ^ USFS Sensitive Vascular Plant Profile
  8. Meinke, R. J. Site management plan for Mimulus evanescens at Dog Hollow Reservoir

External links

Taxon identifiers
Erythranthe inflatula
Mimulus inflatulus
Mimulus evanescens
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