| 词条 | Ulmus parvifolia 'Prince Richard' |
| 释义 |
| name = Ulmus parvifolia 'Prince Richard' | species = Ulmus parvifolia | cultivar = 'Prince Richard' | origin = US }} The Chinese Elm Ulmus parvifolia 'Prince Richard' is an American cultivar raised by Curtis Wilkins in Texas. DescriptionThe tree is distinguished by its high density branching and dwarf to semi-dwarf size, attaining a height and spread of 2.1 × 1.5 m at five years, with a stem diameter of 4.4 cm. The dense, deep green, foliage on numerous branches affords the tree a rich, full, and rounded appearance. The small oval leaves, acute at the apex, are alternate, simple, with serrate to crenate margins, 3.0 cm long by 1.8 cm wide. [1] Growth is slow, averaging 25–31 cm per annum in south-east Texas. Pests and diseases'Prince Richard' has shewn no more or less resistance or susceptibility to diseases and pests which normally afflict U. parvifolia cultivars.[1] Cultivation'Prince Richard' has been listed on both U S and European Patent Office sites. The plant is easily propagated by softwood cuttings in a 100% pine bark rooting medium.[1] AccessionsNone known. References1. ^1 2 Wilkins, C. W. (1998). New elm 'Prince Richard', U S Patent PP10,732. U S Patent Office. {{Elm species, varieties, hybrids, hybrid cultivars and species cultivars |state=collapsed}}{{Ulmaceae-stub}} 3 : Chinese elm cultivar|Ulmus articles missing images|Ulmus |
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