Erythranthe glaucescens

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Erythranthe glaucescens
Shield-bracted monkeyflower imported from iNaturalist photo 119269748 on 16 February 2024.jpg
Butte County, California, 2021
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Erythranthe
Species:
E. glaucescens
Binomial name
Erythranthe glaucescens

Erythranthe glaucescens is a species of monkeyflower known by the common name shieldbract monkeyflower. It was formerly known as Mimulus glaucescens. [1] [2] [3] [4] [5]

Contents

Distribution

It is endemic to California, where it is known only from the foothills of the southernmost Cascade Range and adjacent northernmost Sierra Nevada. It grows in moist areas, such as seeps.

Description

Erythranthe glaucescens is an annual herb varying in maximum height from 6 to 80 centimeters. The stem is hairless and waxy. The oval to rounded leaves are up to 7 centimeters long and are sometimes borne on petioles. The inflorescence is a raceme of flowers with a distinctive pair of bracts completely fused around the stem to form a rounded disc up to 4.5 centimeters wide. The flowers are up to 3.5 centimeters long, spreading at the mouth into an upper lip with two notched lobes and a lower lip with three. The flower often has red spotting in the mouth.

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References

  1. Giblin, David, ed. (2015). "Erythranthe guttata". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2015-03-31.
  2. Barker, W.R.; Nesom, G.L.; Beardsley, P.M.; Fraga, N.S. (2012), "A taxonomic conspectus of Phrymaceae: A narrowed circumscriptions for Mimulus, new and resurrected genera, and new names and combinations" (PDF), Phytoneuron, 2012–39: 1–60
  3. 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.
  4. 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.
  5. 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.