 | Pinus ayacahuite var. ayacahuite Ehrenb.Common NamesMexican white pine, pinabete, acalocote (1).Taxonomic notesDescription"Tree to 35-40 m tall and 200 cm dbh. Crowns of old trees are open and irregular, branches horizontal to pendent; crowns of young trees conical with whorled branches. Bark thin, ash-grey, smooth; becoming rough, grey-brown, scaly, divided into small rectangular plates. Leaves 5 per fascicle, slender, flexible, 10-18 cm long, dorsal surface bright green, ventral surface glaucous, margins serrate with minute, widely spaced teeth; stomata only on ventral surfaces; resin canals 2-4(5-6), external; fibrovascular bundle single; sheaths pale brown and early deciduous. Immature cones 1-4, erect on stout peduncles 10-15 mm long; scales thin, wide, without prickle. Cones almost cylindrical, tapering toward apex, pendent, slightly curved, 10-40 cm long, yellow-brown when mature, very resinous; ripening in the fall and soon deciduous, the 1-3 cm long peduncle falling with the cone. Scales thin, narrow, flexible, 5-7 cm long, apophyses elongate, apex rounded to obtuse, generally reflexed and curled; umbo terminal without a prickle and nearly always resinous. Seeds 2 per scale, light brown with darker spots, 5-8 mm long with adnate 30-40 mm long wing. Cotyledons usually 11-13 (7-8 in Guatemalan specimens). Wood soft, cream-white, light, not very resinous" (1).RangeGuatemala, Honduras, El Salvador; Mexico: Chiapas, Oaxaca, Guerrero, Puebla, and Tlaxcala (4).Big TreeOldestDendrochronologyEthnobotanyObservationsRemarksCitations(1) Perry 1991. |
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