Diplacus jepsonii

Diplacus jepsonii, formerly classified as Mimulus nanus var. jepsonii,[2][3][4][5] is a species of monkeyflower known by the common name Jepson's monkeyflower.

Diplacus jepsonii
Diplacus jepsonii at Mount Rose, Nevada
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Diplacus
Species:
D. jepsonii
Binomial name
Diplacus jepsonii
(A.L.Grant) G.L.Nesom
Synonyms[1]
  • Mimulus jepsonii A.L.Grant

Distribution

The plant is native to northern California, western Nevada, and southern Oregon, in the Sierra Nevada and southern Cascade Range.[2][3]

It grows in openings of yellow pine forest, red fir forest, and lodgepole forest habitats, at elevations of 1,220–2,380 metres (4,000–7,810 ft).[2][3]

Description

Diplacus jepsonii is an annual herb producing a thin, erect stem up to about 10 centimeters long. The purple-green leaves are linear to oval in shape and up to 1.4 centimeters in length.[2]

The pinkish purple flower is around a centimeter long, its five-lobed mouth with broad yellow strips and purple spotting.[2] The bloom period is May to June.[3]

Taxonomy

This plant is sometimes nearly identical to Mimulus nanus, and can be differentiated from it only by close examination of characteristics such as the arrangement of hairs inside the mouth of the flower.[6]

References
  1. 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. Jepson eFlora: Mimulus nanus var. jepsonii . accessed on March 08, 2016.
  3. Calflora: Mimulus nanus var. jepsonii . accessed on March 08, 2016.
  4. USDA: Mimulus nanus var. jepsonii . accessed on March 08, 2016.
  5. Calflora: Mimulus jepsonii, non-active name . accessed on March 08, 2016.
  6. Meinke, R. J. (1992). Differentiating Mimulus jepsonii and M. nanus in south-central Oregon: A problem in applied systematics. Kalmiopsis 2:10-16.


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