Pinus montezumae Lamb.

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Article from Bean's Trees and Shrubs Hardy in the British Isles

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'Pinus montezumae' from the website Trees and Shrubs Online ( Accessed 2024-06-19.



  • P. devoniana Lindl.
  • P. russelliana Lindl.
  • P. macrophylla Lindl.
  • P. filifolia Lindl.
  • Pinus grenvilleae Gord.
  • P. gordoniana Hartweg


With a prominent ridge.
Smooth and shiny.
Egg-shaped solid.
(sect.) Subdivision of a genus.


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Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Pinus montezumae' from the website Trees and Shrubs Online ( Accessed 2024-06-19.

A tree up to 100 ft high in the wild, with a thick bark, furrowed even on quite young trees; stems rough from the persistent bracts; buds ovoid, with narrow, fringed scales. Leaves usually in fives (occasionally in sixes or sevens), 512 to 10 in. long, occasionally longer, variable in thickness, flexible, spreading or pendulous, finely toothed, triangular in cross-section, with stomata on all three surfaces; sheaths 38 to 34 in. long, sometimes longer. Young cones purple or dark blue, prickly. Mature cones ovoid to narrowly so or cylindrical, 312 to 6 in. long, sometimes longer, dull or slightly lustrous brown, thick and tough, the exposed part more or less raised, transversely keeled, with a short, usually deciduous prickle.

Native of southern and central Mexico at subtropical and cool temperate latitudes, with its best development at 7,000 to 8,000 ft; also of Guatemala; introduced by Hartweg in 1839. All the trees grown as P. montezumae in Britain are of later date, and their identity is uncertain. They have grey-green leaves which stand out stiffly all round the shoots as in a chimney-sweeper’s brush, whereas in typical P. montezumae the leaves do not have a grey tinge and they are usually more or less drooping; on the other hand they are quite as long as in P. montezumae. The cones should decide the matter, but they do not reach maturity in these cultivated trees. The fact that the leaves are borne in fives is of no significance, since the number of leaves per bundle is not a wholly reliable character for separating P. montezumae from P. hartwegii and P. rudis.

The tree at Grayswood Hill, Haslemere, Surrey, is the oldest of which the planting date is known; accepted as typical P. montezumae by Elwes and Henry, it was planted in 1881 and measures 55 × 914 ft (1968). A tree at Endsleigh, Devon, must be older than the Grayswood Hill tree; it measured 50 × 912 ft in 1906 and is now 65 × 14 ft (1970). Others are: Sheffield Park, Sussex, 50 × 7 ft (1968); Bicton, Devon, 69 × 6 ft (1968); Sidbury Manor, Devon, pl. 1902, 48 × 1014 ft (1959); Mount Usher, Co. Wicklow, Eire, pl. 1909, 54 × 934 ft (1966) and a smaller tree pl. 1925 [Plate 35]. In the National Botanic Garden, Glasnevin, there is an example of 36 × 634 ft (1974).

Apart from their remarkable foliage, these trees are also very distinct in their broad, dome-shaped crowns.

From the Supplement (Vol. V)

specimens: Grayswood Hill, Haslemere, Surrey, pl. 1881, 60 × 1012 ft (1982); Sheffield Park, Sussex, grafted on P. strobus, 70 × 814 ft (1984); Red Rice College, Hants, 62 × 634 ft (1982); Sidbury Manor, Devon, pl. 1902, 56 × 12 ft (1977); Endsleigh, Devon, 51 × 914 ft (1977); Tregrehan, Cornwall, 85 × 734 ft (1979); Bodnant, Gwyn., 72 × 914 ft (1984); Beaufront Castle, Northumb., 38 × 8 ft (1982); Culzean Castle, Ayrs., pl. 1910, 58 × 714 ft (1984); Cairnsmore, Kirkc., 55 × 812 ft (1984); National Botanic Garden, Glasnevin, Eire, pl. 1899, 40 × 7 ft (1980); Mount Usher, Co. Wicklow, Eire, pl. 1909, 60 × 112 ft and, pl. 1925, 51 × 612 ft (1975); Powerscourt, Co. Wicklow, Eire, pl. 1899, 40 × 7 ft (1980).

P. hartwegiispecimens: Leonardslee, Sussex, 79 × 514 ft (1979); Cool-hurst, Sussex, 70 × 714 ft (1976); Bolderwood, New Forest, Hants, 92 × 634 ft (1979); Eastnor Castle, Heref., 88 × 7 ft (1984).

The specimen of P. pseudostrobus at Blackmoor, Hampshire, mentioned on page 229, measures 70 × 534 ft (1982).

P hartwegii Lindl.

P. montezumae var. hartwegii (Lindl.) Engelm

This is a very near relative of P. montezumae, but is found in Mexico at higher levels and under colder conditions. The leaves are sometimes consistently in fives, sometimes in threes or in fours; they are stiff, 4 to 6 in. long, light green or grey-green. The cones are darker in colour than in P. montezumae, almost black; they are shorter, up to 4 in. long at the most, with thin scales.It is hardy enough to have been grown at one time as far east as Pampisford in Cambridgeshire, but the existing large specimens are confined to more western parts. Two trees mentioned by Elwes and Henry early this century still exist: Eastnor Castle, Heref., 82 × 6{1/2} ft (1970) and Strete Ralegh, Devon, 75 × 7 ft (1970).

Pinus rudis Endl.

Pinus montezumae var. rudis (Endl.) Shaw

Leaves commonly in fives, as in P. montezumae, usually 4 to 6 in. long but occasionally up to 8 in., rigid and usually radiating all round the shoot, light green, glaucous or sometimes yellowish green. Cones resembling those of P. hartwegii but dull brown. According to Martinez it often occurs with P. montezumae, But it ascends in places quite as high up the mountains as P. hartwegii. It is conceivable that the trees grown in Britain as P. montezumae are intermediates between that species and P. rudis. Elwes and Henry, who followed Shaw in treating P. rudis as a variety of P. montezumae, considered that a tree growing in their time at Fota in Co. Cork, Eire, belonged here. Judging from its portrait, it closely resembled in habit what is now grown as typical P. montezumae (Tr. Gr. Brit. & Ire., Plate 278).Another ally of P. montezumae, and more distinct from it than are P. hartwegii and P. rudis, is P. pseudostrobus Lindl., which was introduced by Hartweg in 1839 and described from the specimens he collected in Mexico. It is easily distinguished from those species by its very glaucous, more slender shoots. The bark of young trees is much smoother than in P. montezumae, but becomes rough eventually. The leaves are slender and drooping, as in P. montezumae var. lindleyi. A tree at Pencarrow in Cornwall, planted in 1849, attained a height of 65 ft but died recently. At Blackmoor, Hants, one planted in 1913 is 60 × 5{1/4} ft (1974).

var. lindleyi Loud.

P. lindleyana Gord

Leaves very slender, drooping, 10 to 14 in. long, vivid green or sometimes glaucous. Apex of cone-scales flattened or slightly pyramidal. Probably tender. In foliage it bears a strong resemblance to P. pseudostrobus (see below).