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Leaf and flower detail of a Chinese chestnut at New York Botanical Garden. It is a deciduous tree growing to 20 metres (66 ft) tall with a broad crown. The leaves are alternate, simple, 10–22 centimetres (4– 8 + 1 ⁄ 2 in) long and 4.5–8 cm (1 + 3 ⁄ 4 – 3 + 1 ⁄ 4 in) broad, with a toothed margin.
Sterculia monosperma, also known as Chinese chestnut, Thai chestnut, seven sisters' fruit, [1] and phoenix eye fruit, [2] is a deciduous tropical nut-bearing tree of genus Sterculia. Distribution [ edit ]
The chestnut cultivar Colossal originates from the USA - California Central Valley. It is a Castanea sativa × Castanea crenata hybrid that is cold hardy to −20 °F (−29 °C). The tree can be grown in Zones 4-8, blooms early, and is pollen sterile. Colossal is chestnut blight, root rot and kernel rot susceptible. [1]
The sweet chestnut tree grows well on limestone-free, deeply weathered soil. [29] The optimal pH value of the soil is between 4.5 and 6, and the tree cannot tolerate soil compaction. [ 27 ] The tolerance to wet ground and to clay-rich soils is very low. [ 30 ]
Bark of C. sativa (sweet chestnut). Chestnut trees are of moderate growth rate (for the Chinese chestnut tree) to fast-growing for American and European species. [4] Their mature heights vary from the smallest species of chinkapins, often shrubby, [5] to the giant of past American forests, C. dentata that could reach 60 metres (200 feet).
The original habitat of the American chestnut. Source: U.S. Department of Agriculture / Wikimedia Commons. An estimated 3 billion to 6 billion American chestnut trees once covered forests ...
Few flowering plants self-pollinate; some can provide their own pollen (self fertile), but require a pollinator to move the pollen; others are dependent on cross pollination from a genetically different source of viable pollen, through the activity of pollinators. One of the possible pollinators to assist in cross-pollination are honeybees.
Castanea henryi, Henry chestnut, Henry's chestnut, or Chinese chinquapin (a name it shares with Castanea seguinii), pearl chestnut, and in Chinese: 锥栗, zhui li, is a species of chestnut native to south-central and southeast China. [2] A tree reaching 30 m, it is a