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Castanea pumila
''Castanea pumila'', commonly known as the Allegheny chinquapin, American chinquapin (from the Powhatan) or dwarf chestnut, is a species of chestnut native to the eastern United States from southern New Jersey and Pennsylvania south to central Florida, west to eastern Texas, and north to southern Missouri and Kentucky. The plant's habitat is dry sandy and rocky uplands and ridges mixed with oak and hickory to 1000 m elevation. It grows best on well-drained soils in full sun or partial shade.
==Growth==
It is a spreading shrub or small tree, reaching 2–8 m in height at maturity. The bark is red- or gray-brown and slightly furrowed into scaly plates. The leaves are simple, narrowly elliptical or lanceolate, yellow-green above and paler and finely hairy on the underside. Each leaf is 7.5–15 cm long by 3–5 cm wide with parallel side veins ending in short pointed teeth. The flowers are monoecious and appear in early summer. Male flowers are small and pale yellow to white, borne on erect catkins 10–15 cm long attached to the base of each leaf. Female flowers are 3 mm long and are located at the base of some catkins. The fruit is a golden-colored cupule 2–3 cm in diameter with many sharp spines, maturing in autumn. Each cupule contains one ovoid shiny dark brown nut that is edible.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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