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Erythranthe grandis

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Erythranthe grandis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Erythranthe
Species:
E. grandis
Binomial name
Erythranthe grandis
(Greene) G.L.Nesom

Erythranthe grandis, the magnificent monkeyflower,[1] is a species of plant in the family Phrymaceae.

Description

Erythranthe grandis is a coastal perennial species closely related to E. guttata. Prior to flowering and during winter months, it often has spreading prostrate growth habit many lateral branches (stolons).[2] The peak of flowering is typically from May through August, which is later than nearby inland populations of E. guttata.[3][4] The flowering inflorescences can become quite elongated in some populations. The height of plants of this species decreases with latitude, with very compact plants in the north and highly elongated plants in the south. The leaves of plant are typically thicker and are often waxier looking than E. guttata, especially when in direct proximity to the ocean. The leaf margins of E. grandis are generally rounded to dentate.[5][6] The stems are typically thicker than most populations of E. guttata and are hollow.[6] The calyxes of E. grandis typically have trichomes, some of which are glandular and some crinkly.[6] In far Northern California into central Oregon, some populations have red spotting on their calyxes. Many biological researchers still refer to this species as a coastal perennial ecotype of Mimulus guttatus,[4][7][8] as it is completely inter-fertile with other inland annual and perennial populations.[9] Molecular genetic analyses have revealed that populations for E. grandis cluster as a distinct group from nearby inland populations of E. guttata.[2][4] While E. grandis has recently been raised to the species level, it could also be regarded as a coastal perennial ecotype of E. guttata.[10] E. grandis has evolved a higher level of salt tolerance than other related inland populations of E. guttata.[11]

Range

Coastal areas from southern California to Cape Disappointment in southern Washington State.

Habitat

Generally found in coastal seeps, cliff, dunes, marshes, roadside ditches, or headland with high levels of soil moisture.

Ecology

Erythranthe grandis is strikingly different in morphology from inland annual populations of E. guttata. However, some inland perennial populations of E. guttata do resemble E. grandis. Many of the trait differences between perennial and annual populations is controlled primarily by a chromosomal inversion that is shared by E. grandis and perennial E. guttata.[9][8][12][13][14] Annual E. guttata generally has the opposite orientation of this inversion.[9] All populations of E. grandis are perennial and they are able to maintain this life-history due to lower temperatures along the ocean and coastal summer fog, which maintains soil moisture and reduces transpiration during the summer dry season.[4][9] E. grandis has higher levels of herbivore defensive compounds and higher salt tolerance than inland annual populations of E. guttata[4][11][14]. These higher levels of herbivore resistance and salt tolerance are likely the result of more herbivores in coastal habitats and the impact of oceanic salt spray landing on above-ground tissues.[15]

Etymology

Taxonomy

From Nesom 2012:[6]

"ERYTHRANTHE GRANDIS (Greene) Nesom, Phytoneuron 2012-40: 43. 2012. Mimulus grandis (Greene) Heller, Muhlenbergia 1: 110. 1904. Mimulus langsdorffii var. grandis (Greene) Greene, J. Bot. (Brit. & Foreign) 33: 7: 1895. Mimulus guttatus var. grandis Greene, Man. Bot. San Francisco Bay, 277. 1894. LECTOTYPE (designated here): USA. California. [Solano Co.:] Rocky hills 5 mi E from Vallejo, 10 Apr 1874, E.L. Greene s.n. (ND-Greene! photo-PH!). No type was cited in 1894 protologue, which noted only 'a conspicuous perennial of stream banks and some boggy places among the hills near the Bay.' Another collection of type material at ND-Greene is this: [Alameda Co.:] Berkeley, 20 Aug 1887, E.L. Greene s.n.; the label has handwritten "Mimulus grandis Greene." The label for the Solano County collection has "Mimulus luteus grandis" in Greene's handwriting."

References

  1. ^ "Magnificent Seep Monkeyflower (Erythranthe grandis)". iNaturalist. Retrieved 2021-01-05.
  2. ^ a b Friedman, Jannice; Twyford, Alex D.; Willis, John H.; Blackman, Benjamin K. (2015). "The extent and genetic basis of phenotypic divergence in life history traits in Mimulus guttatus". Molecular Ecology. 24 (1): 111–122. doi:10.1111/mec.13004. ISSN 1365-294X. PMC 4657477. PMID 25403267.
  3. ^ Hall, Megan C.; Willis, John H. (2006). "Divergent Selection on Flowering Time Contributes to Local Adaptation in Mimulus Guttatus Populations". Evolution. 60 (12): 2466–2477. doi:10.1111/j.0014-3820.2006.tb01882.x. ISSN 1558-5646. PMID 17263109. S2CID 221728588.
  4. ^ a b c d e Lowry, David B.; Rockwood, R. Cotton; Willis, John H. (2008). "Ecological Reproductive Isolation of Coast and Inland Races of Mimulus Guttatus". Evolution. 62 (9): 2196–2214. doi:10.1111/j.1558-5646.2008.00457.x. ISSN 1558-5646. PMID 18637837. S2CID 32613220.
  5. ^ "Erythranthe grandis - FNA". beta.floranorthamerica.org. Retrieved 2021-01-12.
  6. ^ a b c d Nesom, Guy. "TAXONOMY OF ERYTHRANTHE SECT. SIMIOLA (PHRYMACEAE) IN THE USA AND MEXICO". Phytoneuron. 40: 1–123.
  7. ^ Lowry, David B.; Sobel, James M.; Angert, Amy L.; Ashman, Tia-Lynn; Baker, Robert L.; Blackman, Benjamin K.; Brandvain, Yaniv; Byers, Kelsey J. R. P.; Cooley, Arielle M.; Coughlan, Jennifer M.; Dudash, Michele R. (2019). "The case for the continued use of the genus name Mimulus for all monkeyflowers". TAXON. 68 (4): 617–623. doi:10.1002/tax.12122. ISSN 1996-8175.
  8. ^ a b Twyford, Alex D.; Friedman, Jannice (2015). "Adaptive divergence in the monkey flower Mimulus guttatus is maintained by a chromosomal inversion". Evolution. 69 (6): 1476–1486. doi:10.1111/evo.12663. ISSN 1558-5646. PMC 5029580. PMID 25879251.
  9. ^ a b c d Lowry, David B.; Willis, John H. (2010-09-28). "A Widespread Chromosomal Inversion Polymorphism Contributes to a Major Life-History Transition, Local Adaptation, and Reproductive Isolation". PLOS Biology. 8 (9): e1000500. doi:10.1371/journal.pbio.1000500. ISSN 1545-7885. PMC 2946948. PMID 20927411.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  10. ^ Lowry, David B. (2012-06-01). "Ecotypes and the controversy over stages in the formation of new species". Biological Journal of the Linnean Society. 106 (2): 241–257. doi:10.1111/j.1095-8312.2012.01867.x. ISSN 0024-4066.
  11. ^ a b Lowry, David B.; Hall, Megan C.; Salt, David E.; Willis, John H. (August 2009). "Genetic and physiological basis of adaptive salt tolerance divergence between coastal and inland Mimulus guttatus". New Phytologist. 183 (3): 776–788. doi:10.1111/j.1469-8137.2009.02901.x. PMID 19549130.
  12. ^ Coughlan, Jennifer M.; Willis, John H. (2019). "Dissecting the role of a large chromosomal inversion in life history divergence throughout the Mimulus guttatus species complex". Molecular Ecology. 28 (6): 1343–1357. doi:10.1111/mec.14804. ISSN 1365-294X. PMID 30028906.
  13. ^ Dodsworth, Steven; Pérez‐Escobar, Oscar A. (2019). "Digest: Linking coordinated shifts in plant resource allocation to a chromosomal inversion*". Evolution. 73 (6): 1318–1319. doi:10.1111/evo.13751. ISSN 1558-5646. PMID 31006851.
  14. ^ a b Lowry, David B.; Popovic, Damian; Brennan, Darlene J.; Holeski, Liza M. (2019). "Mechanisms of a locally adaptive shift in allocation among growth, reproduction, and herbivore resistance in Mimulus guttatus*". Evolution. 73 (6): 1168–1181. doi:10.1111/evo.13699. ISSN 1558-5646. PMID 30793293. S2CID 73490793.
  15. ^ Popovic, Damian; Lowry, David B. (2020). "Contrasting environmental factors drive local adaptation at opposite ends of an environmental gradient in the yellow monkeyflower (Mimulus guttatus)". American Journal of Botany. 107 (2): 298–307. doi:10.1002/ajb2.1419. ISSN 1537-2197. PMID 31989586.


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