Diplacus layneae

Diplacus layneae
Napa County, California, 2023
Apparently Secure
Apparently Secure (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Phrymaceae
Genus: Diplacus
Species:
D. layneae
Binomial name
Diplacus layneae
Synonyms
  • Eunanus layneae Greene
  • Mimulus brachiatus Pennell
  • Mimulus layneae (Greene) Jeps.
  • Mimulus leynei S.Clay, orth. var.

Diplacus layneae is a species of monkeyflower known by the common name Layne's monkeyflower. It is an annual herb that is endemic to California.

Distribution

It is endemic to California, where it is known from the mountains and slopes of the Klamath Range, southern Cascade Range, Warner Mountains, North Coast Ranges, Sierra Nevada, Transverse Ranges, Peninsular Ranges, and the Southern California coastal plain. It grows in rocky barren and disturbed habitat, generally on granitic or serpentine soils.

Description

Diplacus layneae is a hairy annual herb producing a thin, erect stem reaching a maximum height near 28 centimeters. The oppositely arranged leaves are oval in shape and up to 2.5 centimeters in length. The tubular base of each flower is encapsulated in a ribbed calyx of sepals with pointed lobes. The flower is roughly 1 to 2 centimeters in length and any shade of pink from nearly white to deep magenta. There is usually white, yellow, and dark pink or purple mottling in the throat.

References

  1. 1 2 NatureServe (31 July 2026). "Diplacus layneae". NatureServe Explorer. Arlington, Virginia. Retrieved 21 August 2026.
  2. 1 2 "Diplacus layneae (Greene) G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 August 2026.
  3. ↑ 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.
  4. ↑ Fraga, Naomi S. (2018). "Diplacus layneae". Jepson eFlora. The University and Jepson Herbaria, University of California, Berkeley. Retrieved 21 August 2026.