Fremontodendron californicum

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Fremontodendron californicum
Fremontodendron californicum, Jardin Botanico de Munich, Alemania, 2013-05-04, DD 01.jpg
Status TNC G4.svg
Apparently Secure  (NatureServe)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Fremontodendron
Species:
F. californicum
Binomial name
Fremontodendron californicum
Fremontodendron californicum range map.jpg
Natural range
Synonyms

Fremontia californica Torr.

Fremontodendron californicum, with the common names California flannelbush, California fremontia, and flannel bush, is a flowering shrub native to diverse habitats in southwestern North America. [1]

Contents

Distribution

Fremontodendron californicum is found in numerous habitats across California at elevations of 1,300–6,500 feet (400–1,980 m), especially California chaparral and woodlands, Yellow Pine Forests, and Pinyon-juniper woodlands along the eastern San Joaquin Valley. [2] [3] It is found along the eastern San Joaquin Valley in the western foothills of the Sierra Nevada in chalky, sandy, nutritionally poor soils; on the east slope Cascade Range foothills of the northwest Sacramento Valley and the Klamath Mountains to the west; the California Coast Ranges throughout the state; the Transverse Ranges, and the Peninsular Ranges. [2] [3]

It is also found in small, isolated populations in the mountains of central and western Arizona, in the Arizona transition zone-Mogollon Rim region, primarily in the Mazatzal Mountains and Superstition Mountains.[ citation needed ] [4] It is also found from central to northern Baja California state, in isolated chaparral locales in the Peninsular Ranges. [3]

Description

The plant is a flowering evergreen hardwood shrub or small multi-trunked tree, growing from 8–18 feet (2.4–5.5 m) in height and 6–10 feet (1.8–3.0 m) in width.

The 1–5 centimetres (0.39–1.97 in) leaves are olive to gray−green, fuzzy and flannel-like, palmately to pinnately lobed. The hairs covering the leaves are easily brushed off in human contact, and can be a skin and eye irritant. The bottom sides of the leaves are distinct with a velvety brown coating. [5]

The large flowers are 3.5–6.0 centimetres (1.4–2.4 in) in diameter, a rich yellow, sometimes with orange, coppery, or reddish margins surrounding the base. [6] Their blossoms are borne in great showy masses, and tend to bloom one at a time. Each petal has an attractive, curved shape that comes to a point.

Taxonomy

Fremontodendron californicum is one of three species in the genus Fremontodendron , the others being Fremontodendron mexicanum and Fremontodendron decumbens. [7] [8]

Former subspecies

Fremontodendron decumbens -- Pine Hill flannelbush. Fremontodendron californicum ssp decumbens 3.jpg
Fremontodendron decumbens — Pine Hill flannelbush.

Subspecies have formerly included:

  • Fremontodendron californicum ssp. decumbens [9] Pine Hill flannelbush: reclassified as Fremontodendron decumbens (R. Lloyd). [10] [11] [12]
A decumbent and low spreading form, 3 feet (0.91 m) in height and 6 feet (1.8 m) in width, has yellow-orange flowers, and is endemic to the Sierra Nevada foothills, nearly all of the individuals of this subspecies are found in the Pine Hill Ecological Reserve in El Dorado County. In nature it only grows in metal-rich gabbro soil, a red weathered soil of volcanic origin. It requires fire for seed germination, but as the nature reserve is near human settlements fire ecology is suppressed. It is a federally listed endangered species.
Fremontodendron californicum (ssp. napensis) -- Napa Fremontia. Fremontodendron californicum2.jpg
Fremontodendron californicum (ssp. napensis) — Napa Fremontia.
  • Fremontodendron californicum ssp. californicum — California fremontia: now reclassified as the species, Fremontodendron californicum. [13]
  • Fremontodendron californicum ssp. napensisNapa Fremontia: The current Jepson does not recognize this subspecies, using Fremontodendron californicum, but the form is different enough that it is horticulturally recognized by this name. It is typically smaller and more open in form than the species, with much smaller leaves and flowers. It grows 6–15 feet (1.8–4.6 m) in height and 4–12 feet (1.2–3.7 m) in width. [14]

Uses

Medicinal

As a traditional Native American medicinal plant, the inner bark's sap that was used as a topical remedy for mucous membrane irritation and for gastrointestinal upset, by some of the indigenous peoples of California. [15] The wood was also used by the Californian Yokuts and Kawaiisu peoples as a building and furniture material, and the bark for cordage and for nets used in acorn cache holding and snare hunting. [15] It contributed cultural significance as Indigenous communities utilized the flexible nature of the wood to craft hoop-and-pole game materials. [5]

Cultivation

Fremontodendron californicum is cultivated as an ornamental plant by specialty plant nurseries, for planting in native plant, drought tolerant, and wildlife gardens, and in natural landscaping and habitat restoration projects. [16] [17]

Cultivated plants need good drainage, and no supplemental summer water when established. Fremontodendron californicum ssp. decumbens is the most garden tolerant of all Fremontia , and can also be used in large pots and planters. [18]

Fremontodendron 'Ken Taylor' (F. californicum X Fremontodendron mexicanum). Fremontodendron Ken Taylor.jpg
Fremontodendron 'Ken Taylor' (F. californicum X Fremontodendron mexicanum ).

Hybrids

There are several named hybrids of Fremontodendron californicum and F. mexicanum in the horticultural trade, they include:

  • Fremontodendron 'California Glory' — lemon-yellow flowers with a reddish tinge, grows 20 feet (6.1 m) in height by 20 feet (6.1 m) in width. It is the winner of the Award of Garden Merit from the California Horticultural Society in 1965, and received a First Class Certificate from the Royal Horticultural Society in 1967. [19]
  • Fremontodendron 'Ken Taylor' — golden flowers with a darker orange outside petals in the spring and summer, and grows to only 5 feet (1.5 m) in height by 8–10 feet (2.4–3.0 m) in width. [20]
  • Fremontodendron 'Dara's Gold' — golden flowers over a long period from late winter through early summer, grows 3 feet (0.91 m) in height by 6–8 feet (1.8–2.4 m) in width. A hybrid between Fremontodendron decumbens and Fremontodendron mexicanum . [21]
  • Fremontodendron 'San Gabriel' 10–18 feet (3.0–5.5 m) in height by 8–12 feet (2.4–3.7 m) in width, suitable for an espalier. [22]

Etymology

Fremontodendron is named for Major General John Charles Frémont (1813–90), an explorer of western North America. Californicum means 'from California'. [23] Dendron means 'tree'.

Related Research Articles

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References

  1. ITIS Standard Report Page: Fremontodendron californicum . accessed 2.28.2015
  2. 1 2 Jepson eFlora: Distribution
  3. 1 2 3 Little Jr., Elbert L. (1976). "Map 84, Fremontodendron californicum". Atlas of United States Trees. Vol. 3 (Minor Western Hardwoods). US Government Printing Office. LCCN   79-653298. OCLC   4053799.
  4. ASU.edu: Fremontodendron californicum [ permanent dead link ]
  5. 1 2 Reid, Sara; Wishningrad, Van; McCabe, Stephen. "Native American Uses of California Plants: Ethnobotany" (PDF). University of California, Santa Cruz Arboretum. Retrieved October 3, 2023.
  6. Preston, Robert; Whetstone, David; Atkinson, T.A (2012). "Fremontodendron californicum". ucjeps.berkeley.edu. Retrieved 2023-10-06.
  7. USDA PLANTS: Classification of Fremontia . accessed 2.28.2015
  8. CalFlora Database: : Species of genus Fremontia . accessed 2.28.2015
  9. Calflora: Fremontodendron californicum ssp. decumbens (JM93)
  10. Calflora: Fremontodendron decumbens . accessed 2.28.2015
  11. USDA Plants Profile for Fremontodendron decumbens (Pine Hill flannelbush) . accessed 2.28.2015
  12. Jepson eFlora: Fremontodendron decumbens . accessed 2.28.2015
  13. Calflora: Fremontodendron californicum ssp. californicum
  14. Theodore Payne Foundation, California Natives Wiki: Fremontodendron californica ssp. napense (Napa Fremontia)
  15. 1 2 University of Michigan,Dearborn: Native American Ethnobotany
  16. Las Pilitas Horticultural Database: Fremontodendron californicum (California Flannel Bush)
  17. Bornstein, Carol, David Fross, and Bart O'Brien. California Native Plants for the Garden. Los Olivos, CA: Cachuma Press. 2005.
  18. Theodore Payne Foundation, California Natives Wiki: Fremontodendron decumbens
  19. San Marcos Growers: Fremontodendron 'California Glory'
  20. San Marcos Growers: Fremontodendron 'Ken Taylor'
  21. San Marcos Growers: Fremontodendron 'Dara's Gold'
  22. Theodore Payne Foundation, Horticulture Wiki: Fremontodendron 'San Gabriel' (San Gabriel flannel bush)
  23. Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN   9780521866453 (hardback), ISBN   9780521685535 (paperback). pp 84, 171
Foliage and a flower of Fremontodendron californicum. Fremontodendron californicum3.jpg
Foliage and a flower of Fremontodendron californicum.