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Female flowers give way to distinctive clusters of winged seeds that somewhat resemble the hops-like seeds of ironwood. [ 6 ] The fruit is a small nut about 3–6 millimetres ( 1 ⁄ 8 – 1 ⁄ 4 in) long, held in a leafy bract ; the bract may be either trilobed or simple oval, and is slightly asymmetrical.
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.
The fruit is a small 7–8-millimeter (9 ⁄ 32 – 5 ⁄ 16-inch) long nut, partially surrounded by a three- to seven-pointed leafy involucre 2–3 centimeters (3 ⁄ 4 – 1 + 1 ⁄ 4 in) long; it matures in autumn. The seeds often do not germinate till the spring of the second year after maturating. Bark: On old trees near the base, furrowed.
The green ball-shaped fruits appear in early summer and remain on the tree until fall. The burs split open when ripe, revealing 1 to 4 edible nuts inside. Dean Schoeppner
Broadly, but not commonly, distributed. The wood is used for tool handles and furniture. The nuts are the largest among the hickories, providing food for wildlife. Uses: timber; palatable food, sap resins, veneers. [55] ME, the eastern Midwest, the Mid-Atlantic and the Southeast
Young tree in natural habitat American chestnut male (pollen) catkins. Castanea dentata is a rapidly-growing, large, deciduous hardwood eudicot tree. [20] A singular specimen manifest in Maine has attained a height of 115 feet (35 m) [21] Pre-blight sources give a maximum height of 100 feet (30 m) and a maximum circumference of 13 feet (4.0 m). [22]
The fruit is a dry egg-shaped capsule 3–4 centimetres (1 + 1 ⁄ 8 – 1 + 5 ⁄ 8 in) long, containing numerous tiny seeds. The seeds are winged and disperse by wind and water. Pollarded trees do not produce flowers, as these form only on mature wood. Paulownia tomentosa requires full sun for proper growth.
Carpinus betulus likes full sun or partial shade, [5] moderate soil fertility and moisture. It has a shallow, wide-spreading root system and is marked by the production of stump sprouts when cut back. [citation needed] The seeds often do not germinate until the spring of the second year after sowing. The hornbeam is a prolific seeder and is ...