Sibiraea

Sibiraea subsp. var.
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Standard Cyclopedia of Horticulture

Sibiraea (named for the habitat of the plant, Siberia). Rosaceae, subfam. Spiraeeae. Two shrubs from N. E. Asia and W. China closely allied to Spiraea, but differing in the narrow entire lvs., the polygamo-dioecious fls. disposed in panicled racemes and in the 2-seeded carpels connate at the base. S. laevigata is a deciduous upright shrub with rather stout branches, with alternate, entire, generally oblong lvs. and with small short-stalked white fls. in spike-like racemes crowded into terminal panicles. It possesses no particular ornamental qualities and is rarely cult.: hardy N. The hardiness of the recently intro. S. tomentosa has not been sufficiently tested. Prop. is by seeds sown in spring or by layers. S. laevigata, Maxim. (S. altaiensis, Schneid. Spiraea laevigata, Linn.). Shrub, 5 ft. high, with stout upright branches: lvs. cuneate-oblong, bluish green, glabrous, 1 1/2 – 3 1/2 in. long: fls. polygamous, greenish white, in terminal panicles, 3-5 in. long, those of the staminate plant somewhat showier. May. Siberia. Var. angustata, Rehd. Lvs. narrow-lanceolate, 1-4 in. long and rarely more than 1/2 in. broad: infl. pubescent. W. China. Var. croatica, Schneid., from S. E. Eu., is similar to the preceding variety, but the lvs. are obtuse and the infl. not pubescent. It is not yet intro. S. tomentosa, Diels. Low shrub, to 2 ft.: lvs. oblong-obovate to oblanceolate, acutish and mucronulate, with silky silvery white tomentum beneath while young, glabrous above, 2-3 in. long: fls. greenish yellow in dense panicles about 2 in. long. S. W. China. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Species

• Sibiraea laevigata

Gallery

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Sibiraea. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Sibiraea QR Code (Size 50, 100, 200, 500)