Diplacus mohavensis

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Diplacus mohavensis
Mojave monkeyflower imported from iNaturalist photo 275326675 on 12 March 2024.jpg
San Bernardino County, California, 2023
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Diplacus
Species:
D. mohavensis
Binomial name
Diplacus mohavensis
(Lemmon) G.L.Nesom
Synonyms [1]
  • Mimulus mohavensisLemmon
  • Eunanus mohavensis(Lemmon) Greene

Diplacus mohavensis is a species of monkeyflower known by the common name Mojave monkeyflower. [1] [2] [3] [4]

Contents

Distribution

It is endemic to San Bernardino County, California, where it is known only from the Mojave Desert. It has been found in several locations in and around Barstow, often in gravelly, sandy habitat such as arroyos.

The historical range of the plant was wider than it is today; many occurrences have been extirpated. [5] The population sizes and abundance vary, as they probably depend on annual rainfall amounts. [6]

Description

Diplacus mohavensis is a small, hairy annual herb growing at ground level or erect to a maximum height near 10 centimeters. The oppositely arranged leaves are narrow oval in shape and under 3 centimeters in length. The herbage is usually reddish green to red-purple in color. The tubular base of the tiny flower is encapsulated in a hairy, ribbed calyx of red sepals with pointed lobes. The flower has a flat face with five rounded, equal lobes. The corolla lobes are dark-veined pink at the bases and white at the edges. It blooms between April and June. [6]

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References

  1. 1 2 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.
  2. 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.
  3. 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.
  4. 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.
  5. "California Native Plant Society Rare Plant Profile". Archived from the original on 2012-03-26. Retrieved 2011-07-07.
  6. 1 2 McKay, Pamela J. "Mojave Monkeyflower Species Profile" (PDF). Bureau of Land Management. Archived from the original (PDF) on 2012-10-07.