Pinus cembroides

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Pinus cembroides
SierradeO 05.jpg
Mexican pinyon in Sierra de Organos National Park, Sombrerete
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Strobus
Section: P. sect. Parrya
Subsection: P. subsect. Cembroides
Species:
P. cembroides
Binomial name
Pinus cembroides
Pinus cembroides range map.png
Natural range
Synonyms [2]
  • Pinus culminicola var. johannis (M.-F.Robert) Silba
  • Pinus discolor D.K.Bailey & Hawksw.
  • Pinus johannis M.-F.Robert
  • Pinus lagunae (Robert-Passini) Passini
  • Pinus llaveana Schiede ex Schltdl.
  • Pinus orizabensis (D.K.Bailey) D.K.Bailey & Hawksw.
  • Pinus osteosperma Engelm.

Pinus cembroides, also known as pinyon pine, [3] Mexican pinyon, [3] Mexican nut pine, [3] and Mexican stone pine, [3] is a pine in the pinyon pine group, native to western North America. It grows in areas with low levels of rainfall and its range extends southwards from Arizona, Texas and New Mexico in the United States into Mexico. It typically grows at altitudes between 1,600 and 2,400 metres (5,200 and 7,900 ft). It is a small pine growing to about 20 m (66 ft) with a trunk diameter of up to 50 cm (20 in). The seeds are large and form part of the diet of the Mexican jay and Abert's squirrel. They are also collected for human consumption, being the most widely used pine nut in Mexico. This is a common pine with a wide range and the International Union for Conservation of Nature has rated its conservation status as being of "least concern".

Contents

Distribution

The range extends from westernmost Texas, United States (where it is restricted to the Chisos and Davis Mountains), south through much of Mexico, occurring widely along the Sierra Madre Oriental and Sierra Madre Occidental ranges, and more rarely in the eastern Eje Volcánico Transversal range. [4] It lives in areas with little rainfall, which fluctuates between 380 millimetres (15 in) to 640 millimetres (25 in), the subspecies orizabensis ( Pinus orizabensis ) is found farther south in the state of Veracruz. There is also a disjunct population in the Sierra de la Laguna of southern Baja California Sur. It occurs at moderate altitudes, mostly from 1,600 metres (5,200 ft) to 2,400 metres (7,900 ft).

Description

Pinus cembroides is a small to medium-size tree, reaching 8 metres (26 ft) to 20 metres (66 ft) tall and with a trunk diameter of up to 50 centimetres (20 in). The bark is dark brown, thick and deeply fissured at the base of the trunk. The leaves ('needles') are in mixed pairs and threes, slender, 3 centimetres (1.2 in) to 6 centimetres (2.4 in) long, and dull yellowish green, with stomata on both inner and outer surfaces.

The cones are globose, 3 centimetres (1.2 in) to 4 centimetres (1.6 in) long and broad when closed, green at first, ripening yellow-brown when 18–20 months old, with only a small number of thick scales, with typically 5-12 fertile scales. The cones open to 4 centimetres (1.6 in) to 5 centimetres (2.0 in) broad when mature, holding the seeds on the scales after opening. The seeds are 10 millimetres (0.39 in) to 12 millimetres (0.47 in) long, with a thick shell, a pink endosperm, and a vestigial 2 millimetres (0.079 in) wing; they are dispersed by the Mexican jay, which plucks the seeds out of the open cones. The jay, which uses the seeds as a major food resource, stores many of the seeds for later use, and some of these stored seeds are not used and are able to grow into new trees. Abert's squirrel also feeds on the seeds in preference to those of the ponderosa pine. [5]

History

Mexican pinyon was the first pinyon pine described, named by Zuccarini in 1832. Many of the other pinyon pines have been treated as varieties or subspecies of it at one time or another in the past, but research in the last 10–50 years has shown that most are distinct species. Some botanists still include Johann's pinyon and Orizaba pinyon in Mexican pinyon; the former accounts for records of "Mexican pinyon" in southern Arizona and New Mexico.

Mexican pinyon is a relatively non-variable species, with constant morphology over the entire range except for the disjunct population in the Sierra de la Laguna pine-oak forests of Baja California Sur; this is generally treated as a subspecies, Pinus cembroides subsp. lagunae, although some botanists treat it as a separate species, P. lagunae. This subspecies differs from the type in having slightly longer leaves, between 4 centimetres (1.6 in) and 7 centimetres (2.8 in) and longer, narrower cones, up to 5.5 centimetres (2.2 in) long.

The seeds are widely collected in Mexico, being the main edible pine nut in the region. While palatable when raw, their flavor is considered to be improved when roasted. [6]

Related Research Articles

<span class="mw-page-title-main">Pine nut</span> Edible seeds of certain species of pines

Pine nuts, also called piñón, pinoli, pignoli, bondoq or chilgoza, are the edible seeds of pines. According to the Food and Agriculture Organization, only 29 species provide edible nuts, while 20 are traded locally or internationally owing to their seed size being large enough to be worth harvesting; in other pines, the seeds are also edible but are too small to be of notable value as human food.

<span class="mw-page-title-main">Pinyon pine</span> Group of conifers

The pinyon or piñon pine group grows in southwestern North America, especially in New Mexico, Colorado, Arizona, and Utah. The trees yield edible nuts, which are a staple food of Native Americans, and widely eaten as a snack and as an ingredient in New Mexican cuisine. The name comes from the Spanish pino piñonero, a name used for both the American varieties and the stone pine common in Spain, which also produces edible nuts typical of Mediterranean cuisine. Harvesting techniques of the prehistoric American Indians are still used today to collect the pinyon seeds for personal use or for commercialization. The pinyon nut or seed is high in fats and calories.

<i>Pinus glabra</i> Species of conifer

Pinus glabra, the spruce pine, is a tree found on the coastal plains of the southern United States, from southern South Carolina south to northern Florida and west to southern Louisiana.

<span class="mw-page-title-main">Coulter pine</span> Pine tree found in North America

Coulter pine, or big-cone pine, is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico. Isolated groves are found as far north as Clearlake, California on the flanks of Mt. Konocti and Black Diamond Mines Regional Preserve. It is named after Thomas Coulter, an Irish botanist and physician. The Coulter pine produces the heaviest cone of any pine tree, up to 5 kg (11 lb) and among conifers is exceeded only by the cones of Araucaria bidwillii.

<i>Pinus muricata</i> Species of conifer

Pinus muricata, the bishop pine, is a pine with a very restricted range: mostly in California, including several offshore Channel Islands, and a few locations in Baja California, Mexico. It is always on or near the coast.

<i>Pinus cembra</i> Species of plant

Pinus cembra, also known as Swiss pine, Swiss stone pine, Arolla pine, Austrian stone pine, or just stone pine, is a species of pine tree in the subgenus Strobus.

<i>Pinus halepensis</i> Species of conifer

Pinus halepensis, commonly known as the Aleppo pine, also known as the Jerusalem pine, is a pine native to the Mediterranean region.

<i>Pinus orizabensis</i> Species of conifer

Pinus orizabensis, the Orizaba pinyon, is a pine in the pinyon pine group, endemic to central Mexico. It is considered also as a sub-species of Pinus cembroides which is classified as Pinus cembroides subsp. orizabensis D.K.Bailey. It has larger seeds than the type.

<i>Pinus johannis</i> Species of conifer

Pinus johannis, the Johann's pine, is a pine in the pinyon pine group, native to North America. The range extends from southeast Arizona and southwest New Mexico, United States, south in Mexico along the Sierra Madre Occidental and the Sierra Madre Oriental to southern Zacatecas and San Luis Potosí. It occurs at moderate to high altitudes, from 1,600–3,000 metres (5,200–9,800 ft), in cool, dry climate conditions.

<i>Pinus culminicola</i> Species of conifer

Pinus culminicola, commonly known as Potosí pinyon or Potosí Piñón, is a pine in the pinyon pine group, native and endemic to northeast Mexico. The range is highly localised, confined to a small area of high summits in the northern Sierra Madre Oriental in Coahuila and Nuevo León, and only abundant on the highest peak, Cerro Potosí. It occurs at very high altitudes, from 3000–3700 m, in cool, moist subalpine climate conditions.

<i>Pinus remota</i> Species of conifer

Pinus remota, commonly known as the Texas pinyon or papershell pinyon, is a pine in the pinyon pine group, native to southwestern Texas and northeastern Mexico. It can be distinguished from other pinyon species by its thin-walled seeds, which made it especially attractive as a food to Indians and Mexicans living where it grew. Spanish explorer Cabeza de Vaca noted that the papershell pinon was an important food for the Indians in 1536.

<i>Pinus edulis</i> Species of plant

Pinus edulis, the Colorado pinyon, two-needle piñon, pinyon pine, or simply piñon, is a pine in the pinyon pine group whose ancestor was a member of the Madro-Tertiary Geoflora and is native to the United States.

<i>Pinus monophylla</i> Pine tree found in North America

Pinus monophylla, the single-leaf pinyon, is a pine in the pinyon pine group, native to North America. The range is in southernmost Idaho, western Utah, Arizona, southwest New Mexico, Nevada, eastern and southern California and northern Baja California.

<i>Pinus quadrifolia</i> Pine tree found in North America

Pinus quadrifolia, the Parry pinyon, is a pine in the pinyon pine group native to southernmost California in the United States and northern Baja California in Mexico, from 33° 30' N south to 30° 30' N. The Parry pinyon has a lifespan of around 200 to 500 years. It is usually found in rocky areas that often have thin soil. It occurs at moderate altitudes from 1,300 metres (4,300 ft) to 1,800 metres (5,900 ft), rarely as low as 1,200 metres (3,900 ft) and as high as 2,500 metres (8,200 ft). It is scarce and often scattered in this region, forming open woodlands, usually mixed with junipers. Other common names include nut pine and fourleaf pinyon pine.

<span class="mw-page-title-main">Abert's squirrel</span> Species of rodent

Abert's squirrel or the tassel-eared squirrel is a tree squirrel in the genus Sciurus native to the southern Rocky Mountains from the United States to the northern Sierra Madre Occidental of Mexico, with concentrations found in Arizona, New Mexico, and southwestern Colorado. It is closely associated with, and largely confined to, mature ponderosa pine forests. It is named in honor of the American naturalist John James Abert; nine subspecies are recognised. It is recognizable by its tufted ears, gray color, pale underparts and rufous patch on the lower back. The squirrel feeds on the seeds and cones of the Mexican pinyon and the ponderosa pine when they are available, but will also take fungi, buds, bark, and carrion. Breeding normally occurs in summer, with a spherical nest being built high in the canopy.

<i>Pinus durangensis</i> Species of conifer

Pinus durangensis, the Durango pine, is a pine tree species endemic to the Sierra Madre Occidental mountain range of north-western Mexico.

<i>Pinus maximartinezii</i> Species of conifer

Pinus maximartinezii, called Martinez pinyon, big-cone pinyon or maxipiñon, is a pine in the pinyon pine group, native to west-central Mexico.

<i>Pinus massoniana</i> Species of conifer

Pinus massoniana is a species of pine, native to Taiwan, a wide area of central and southern China, and northern Vietnam.

<i>Juniperus rigida</i> Species of conifer

Juniperus rigida, the temple juniper, is a species of juniper, native to northern China, Mongolia, Korea, Japan, and the far southeast of Russia, occurring at altitudes of 10–2,200 metres (33–7,218 ft). The species is also naturalized in the United States. It is closely related to Juniperus communis and Juniperus conferta, the latter sometimes treated as a variety or subspecies of J. rigida.

<i>Pinus nelsonii</i> Species of conifer

Pinus nelsonii, Nelson's pinyon, is a species of pine native to the mountains of northeastern Mexico, in Nuevo León, San Luis Potosí and Tamaulipas at 1,800–3,200 m altitude.

References

  1. Farjon, A. (2013). "Pinus cembroides". IUCN Red List of Threatened Species . 2013: e.T42350A2974560. doi: 10.2305/IUCN.UK.2013-1.RLTS.T42350A2974560.en . Retrieved 11 November 2021.
  2. "The Plant List: a Working List of All Plant Species".
  3. 1 2 3 4 "Pinus cembroides". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 15 December 2017.
  4. Moore, Gerry; Kershner, Bruce; Craig Tufts; Daniel Mathews; Gil Nelson; Spellenberg, Richard; Thieret, John W.; Terry Purinton; Block, Andrew (2008). National Wildlife Federation Field Guide to Trees of North America. New York: Sterling. p. 93. ISBN   978-1-4027-3875-3.
  5. Hall, Joseph G. 1973. The Kiabab squirrel. In: Symposium on rare and endangered wildlife of the southwestern United States: Proceedings; 1972 September 22–23; Albuquerque, New Mexico. Santa Fe, New Mexico: New Mexico Department of Game and Fish: 18–21
  6. Peattie, Donald Culross (1953). A Natural History of Western Trees. New York: Bonanza Books. p. 66.