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Puerto Rico Department of Natural and Environmental Resources Piñones State Forest , (in Spanish : Bosque Estatal de Piñones ), and named after the Casuarina , locally called Piñones (after an invasive species of salt-tolerant tree from Australia used for lumber ), is a timberland forest near one of the longest beaches in Puerto Rico .
Pollination occurs early the following spring, with the male cones 3–8 cm (1 + 1 ⁄ 4 – 3 + 1 ⁄ 4 in) long. The female (seed) cones mature in about 20 months from pollination; when mature, they are yellow-brown in color, 15–25 cm (6– 9 + 3 ⁄ 4 in) long, and 5–7 cm (2– 2 + 3 ⁄ 4 in) broad, opening to 12 cm ( 4 + 3 ⁄ 4 in ...
Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...
A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads.
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Although Puerto Rico has no natural units in the National Park System, the biodiversity of the island is recognized and protected through a national forest, a national wildlife refuge, a national wilderness, and numerous state parks (called national parks in Puerto Rico [1]), nature reserves, state forests, wildlife preserves and other ...
The female cones (seed), which mature in autumn about 18 months after pollination, are globose, large, 18–25 cm (7–10 in) in diameter, and hold about 100–150 seeds. The cones disintegrate at maturity to release the approximately 5 cm (2 in) long nut -like seeds, which are then dispersed by animals, notably the azure jay , Cyanocorax ...
Pedro Acevedo Rodríguez and Franklin S. Axelrod (1999). "Annotated Checklist for the Tracheophytes of Río Abajo Forest Reserve, Puerto Rico". Caribbean Journal of Science. 35 (3– 4): 262– 285. Three endemic Puerto Rican ferns