Erythranthe exigua

Erythranthe exigua
Imperiled
Imperiled (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Erythranthe
Species:
E. exigua
Binomial name
Erythranthe exigua
Synonyms[2]

Mimulus exiguus A.Gray

Erythranthe exigua is a rare species of monkeyflower known by the common name San Bernardino Mountains monkeyflower. It was formerly known as Mimulus exiguus.[3][4][5][6]

Distribution and habitat

It is native to the San Bernardino Mountains of southern California, as well as an area of Baja California. It grows in moist, rocky habitat, including the rare quartz pebble plain habitat of the mountain meadows near Big Bear, Southern California, from 1,800 to 2,300 meters elevation.[7] It is also known from the Sierra de Juárez and Sierra de San Pedro Mártir in northern Baja California.[1]

Description

Near Angeles National Forest, 2023

Erythranthe exigua is a petite annual herb producing a hair-thin, erect stem just a few centimeters tall. The herbage is reddish in color and lightly hairy. The oppositely arranged oval leaves are a few millimeters in length. The tubular lavender flower is under 4 millimeters long and the corolla is divided into five lobes.

References

  1. 1 2 NatureServe (31 July 2026). "Erythranthe exigua". NatureServe Explorer. Arlington, Virginia. Retrieved 24 August 2026.
  2. ↑ "Erythranthe exigua (A.Gray) G.L.Nesom & N.S.Fraga". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 24 August 2026.
  3. ↑ 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
  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. Bibcode:2002AmJB...89.1093B. 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. Bibcode:2004AmJB...91..474B. doi:10.3732/ajb.91.3.474. JSTOR 4123743. PMID 21653403.
  7. ↑ Fraga, Naomi S. (2018). "Erythranthe exigua". Jepson eFlora. The University and Jepson Herbaria, University of California, Berkeley. Retrieved 24 August 2026.