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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.
Fruit – a structure containing all the seeds produced by a single flower. Hypanthium – Nectar – a fluid produced by nectaries that is high in sugar content; used to attract pollinators. Nectary – a gland that secrets nectar, most often found in flowers, but also produced on other parts of plants.
P. macrophyllus seed cones with two seeds. It is a small to medium-sized evergreen tree, reaching 20 m (66 ft) tall. [4] The leaves are strap-shaped, 6–12 cm (2.4–4.7 in) long, and about 1 cm broad, with a central midrib.
The tree produces spiky green fruits about the size of a golf ball, which turn brown and drop off the tree over an extended period beginning in fall and continuing over the winter.
For its timber, the pine species is regarded as the most commercially important tree in the Southeastern U.S. [5] [6] [7] The common name loblolly is given because the pine species is found mostly in lowlands and swampy areas. [8] Loblolly pine is the first among over 100 species of Pinus to have its complete genome sequenced. As of March 2014 ...
The seeds of the pinyon pine, known as "pine nuts" or "piñóns", are an important food for American Indians living in the mountains of the North American Southwest. All species of pine produce edible seeds, but in North America only pinyon produces seeds large enough to be a major source of food.
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.
The piñon pine (Pinus edulis) is a small to medium size tree, reaching 3.0–6.1 metres (10–20 ft) tall and with a trunk diameter of up to 80 centimetres (31 in), rarely more. Its growth is "at an almost inconceivably slow rate" growing only 1.8 meters (6 ft) in one hundred years under good conditions.