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Spiraea plants are hardy, deciduous-leaved shrubs. The leaves are simple and usually short stalked, and are arranged in a spiralling, alternate fashion. In most species, the leaves are lanceolate (narrowly oval) and about 2.5 to 10 centimetres (0.98 to 3.94 in) long.
Spiraea betulifolia is a species of flowering plant in the family Rosaceae. It is native from Eastern Siberia to Korea and Northern and Central Japan. It is native from Eastern Siberia to Korea and Northern and Central Japan.
Primary (winter) hosts are Spiraea spp. and Citrus spp. with numerous secondary host plants, in well over 20 families, particularly in the Caprifoliaceae, Compositae, Rosaceae, Rubiaceae and Rutaceae families. This aphid has been found to have a preference for woody plants of a shrubby growth habit with citrus and apples being the most ...
Spiraea douglasii is a woolly shrub growing 0.91–1.83 metres (3–6 feet) tall from rhizomes, forming dense riverside thickets. [6]The leaves are 2.5–10.2 centimetres (1–4 inches) long and toothed towards the tips.
Spiraea salicifolia, the bridewort, willow-leaved meadowsweet, spice hardhack, or Aaron's beard, is a species of flowering plant in the family Rosaceae. [2] A shrub, it is native to east-central Europe, Kazakhstan, all of Siberia, the Russian Far East, Mongolia, northern China, Korea, and Japan, and it has been widely introduced to the rest of Europe and to eastern North America. [1]
It is a deciduous or semi-evergreen shrub that reaches a size of 1–2 m height, with many thin branches, arched, flexible and glabrous.The leaves are alternate, simple, small petiolate, with 2–6 cm long green lanceolate, elliptical-rhomboidal or slightly obovate lamina, with 3 nerves parallel from its base, irregularly crenate-dentate in its distal half.
Kalmia: kalmia shrubs; Kalmia latifolia: mountain laurel Ericaceae (heath family) Lyonia: lyonia trees; Lyonia ferruginea: tree lyonia Ericaceae (heath family) Oxydendrum: oxydendrum trees; Oxydendrum arboreum: sourwood Ericaceae (heath family) 711 Rhododendron: rhododendron trees and shrubs; Rhododendron albiflorum: white-flowered rhododendron
Such an expanded subfamily is to be called Amygdaloideae under the International Code of Nomenclature for algae, fungi, and plants. [2] The traditional Spiraeoideae are shrubs. Most have simple leaves, but the genera Aruncus and Sorbaria have pinnately compound leaves. Carpels are usually 2–5.