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Bears fruit between four and eight years, making a tree of some 10 to 20 ft (3.0 to 6.1 m) in height and spread. Suitable for all forms of pear trees except standards. [8] Pear stock: Very vigorous — Pears grafted onto pear rootstocks make very large trees, not suitable for most gardens.
An open-centred crown on a short trunk of less than 1 metre (3 ft 3 in). This is a traditional and popular form for apple trees. Bush trees are easy to maintain and bear fruit at a young age. Final height is between 2 metres (6 ft 7 in) and 5.5 metres (18 ft), depending on which rootstock is used. [1]
It is very fast-growing, hardy and able to tolerate poor and stony soils. As with most trees, it should not be planted too close to buildings or paved areas. Seeds are readily produced in the fruits, but are difficult to germinate, having a very tough coating that first needs to be removed. Once germinated, the young plants grow very rapidly.
Pyrus betulifolia, known as the birchleaf pear in English and tang li in Chinese, [2] is a deciduous wild pear tree native to the leafy forests of northern and central China and Tibet. It can grow 10 meters high in optimal conditions. Formidable thorns (which are modified stems) protect its leaves from predation.
Apodytes dimidiata (white pear or umDakane) is a bushy tree with white flowers bearing a fragrance reminiscent of fresh coconut, and small black and red fruits. It is usually about 5 m tall (but reaches a height of 20 m when growing in deep forest), and it is indigenous to Southern Africa .
The yellow pear shaped capsule is on a stalk 6 mm long. It matures from October to December. The capsule usually contains two black ovate shaped seeds, 9 mm long. Surrounded by red aril. Fruit eaten by the Lewin's honeyeater and other birds. Not all fruit capsules contain seeds. Fresh seeds germinate quickly and reliably.
The nut inside the drupe is a very hard pear-shaped kernel [3] that can contain up to 4 seeds. The seedlings from one kernel can germinate at the same time or be spread over a year. [ 2 ] The nut has four apertures in the endocarp each guarded by an oval door and each leading to a seed chamber.
Pyrus pyraster is a deciduous plant reaching 3–4 metres (9.8–13.1 ft) in height as medium-sized shrub and 15–20 metres (49–66 ft) as a tree. [2] Unlike the cultivated form, the branches have thorns. [2]