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Pinaceae FAMILY Near Threatened

Pinus lumholtzii

Pinus lumholtzii

Edibility
1/5
Medicinal
0/5

Safety & Hazards

The wood, sawdust and resins from various species of pine can cause dermatitis in sensitive people[1].

Cultivation Details

HabitEvergreen Tree
Growth—

Pinus lumholtzii grows mainly in a semi-arid region of Mexico, where it can be found at elevations up to 2,900 metres. The climate is warm temperate with a mean annual precipitation of 500 - 600mm, most of which falls in the summer. It is not a very cold-hardy plant, being able to tolerate short periods with temperatures down to around -8°c when fully dormant[2, 3]. Pine species in general require a sunny position if they are to grow well and, whilst the different species have their own soil preferences, most will thrive in a light well-drained sandy or gravelly loam[4, 5]. Seed cones subterminal or lateral, solitary (occasional whorls of 2, rarely 3) on 10-15 mm long curved peduncles that fall with the soon-deciduous cones. Young cones broad-ovoid to subglobose with curved spines, maturing in 2 seasons. Mature cones ovoid; when open, (3-)3.5-5.5(-7) × (2.5-)3-4.5 cm. Seed scales ca. 70-90, spreading wide, thick woody, adaxial surface dark brown with light brown marks of seed wings. Apophysis slightly raised, distally thickened, obscurely transversely keeled, rhombic to pentagonal in outline, ochre to red-brown. Umbo dorsal, flat or slightly raised, up to 5 mm wide, with a minute, soon-deciduous prickle. Seeds obovoid, slightly flattened, 3-5 mm long, dark brown[2]. It is a singularly graceful tree, in my opinion perhaps the most attractive of all the Mexican pines, and it is surprising that it is not more common in cultivation[2]. Plants in this genus are notably susceptible to honey fungus[6].

Propagation

It is best to sow the seed in individual pots in a cold frame as soon as it is ripe if this is possible otherwise in late winter. A short stratification of 6 weeks at 4°c can improve the germination of stored seed[7]. Plant seedlings out into their permanent positions as soon as possible and protect them for their first winter or two[5]. Plants have a very sparse root system and the sooner they are planted into their permanent positions the better they will grow[PFAF]. Trees should be planted into their permanent positions when they are quite small, between 30 and 90cm[6]. We actually plant them out when they are about 5 - 10cm tall. So long as they are given a very good weed-excluding mulch they establish very well[PFAF]. Larger trees will check badly and hardly put on any growth for several years. This also badly affects root development and wind resistance[6]. Cuttings. This method only works when taken from very young trees less than 10 years old. Use single leaf fascicles with the base of the short shoot. Disbudding the shoots some weeks before taking the cuttings can help. Cuttings are normally slow to grow away[8]. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Pinus+lumholtzii>

Pollinators

Wind

References

  1. [1]A Field Guide to Medicinal Plants. Eastern and Central N. America. — Foster. S. & Duke. J. A. · Houghton Mifflin Co. · 1990 · ISBN 0395467225 ↩︎A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
  2. [2]The Gymnosperm Database — http://www.conifers.org/index.htm ↩︎A vast amount of information on conifers and families of gymnosperms.
  3. [3]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
  4. [4]RHS Dictionary of Plants plus Supplement. 1956 — F. Chittendon. · Oxford University Press · 1951 · ISBN - ↩︎Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [ 200 ]).
  5. [5]Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. — Bean. W. · Murray · 1981 · ISBN - ↩︎A classic with a wealth of information on the plants, but poor on pictures.
  6. [6]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
  7. [7]Hardy Woody Plants from Seed. — McMillan-Browse. P. · Grower Books · 1985 · ISBN 0-901361-21-6 ↩︎Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.
  8. [8]Conifers. — Rushforth. K. · Christopher Helm · 1987 · ISBN 0-7470-2801-X ↩︎Deals with conifers that can be grown outdoors in Britain. Good notes on cultivation and a few bits about plant uses.
  9. [9]A Modern Herbal. — Grieve. · Penguin · 1984 · ISBN 0-14-046-440-9 ↩︎Not so modern (1930's?) but lots of information, mainly temperate plants.
  10. [10]Nature's Colors - Dyes from Plants. — Grae. I. · MacMillan Publishing Co. New York. · 1974 · ISBN 0-02-544950-8 ↩︎A very good and readable book on dyeing.
  11. [11]Vegetable Gums and Resins. — Howes. F. N. · Faber · ISBN 81-88818-17-8 ↩︎A very good book dealing with the subject in a readable way.
  12. [PFAF]Plants for a Future — pfaf.org ↩︎