Northeastern Asian Flora
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Saussurea yanagisawae Takeda   (redirected from: Saussurea yanagisawae var. imperialis (Koidz.) Nakai)
Family: Asteraceae
[Saussurea imperialis Koidz., moreSaussurea imperialis var. elegans Koidz., Saussurea tilesii var. angustifolia Nakai, Saussurea tilesii var. elegans , Saussurea yanagisawae f. angustifolia (Nakai) Ohwi, Saussurea yanagisawae f. elegans (Koidz.) Ohwi, Saussurea yanagisawae f. imperialis (Koidz.) Ohwi, Saussurea yanagisawae f. nivea (Koidz.) Toyok., Saussurea yanagisawae f. vestita (Kitam.) Ohwi, Saussurea yanagisawae var. angustifolia (Nakai) Kitam., Saussurea yanagisawae var. elegans (Koidz.) Nakai, Saussurea yanagisawae var. imperialis (Koidz.) Nakai, Saussurea yanagisawae var. nivea (Koidz.) Nakai, Saussurea yanagisawae var. vestita Kitam., Saussurea yesoensis var. angustifolia Nakai]
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  • Japan Flora
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Japan Flora: Stems 6-30 cm. long, crisped-puberulent and cob­webby, narrowly winged or sometimes wingless; radical and lower cauline leaves petiolate, lanceolate or oblong-lanceolate, 4-7.5 cm. long, acuminate, cuneate to truncate at base, irregu­larly toothed, prominendy crisped-puberulent above and along the veinlets beneath, cobwebby on both sides while young, the median and upper leaves gradually smaller, lanceolate; heads 4-8, in dense corymbs; involucres campanulate, 11-12 mm. long and as wide, purplish at the tip and cobwebby; bracts 4- seriate, the outer as long as the inner, broadly lanceolate, long- acuminate, sometimes spreading, the innermost lanceolate, acute; corollas purplish, about 11 mm. long.  Aug.-Sept. Alpine regions.

Hokkaido. Very variable.

f. nivea (Koidz.) Ohwi. Leaves white-tomentose beneath.

f. imperialis (Koidz.) Ohwi. Leaves rather loosely cobwebby on both sides; lower leaves ovate, 9- 10 cm. long, about 5 cm. wide, rather irregularly coarse­toothed. 

f. vestita (Kitam.) Ohwi. Stems about 20 cm. long; lower leaves ovate, 8-9 cm. long, 5-5.5 cm. wide, acuminate, truncate to cordate at base, cobwebby above, densely white-woolly beneath.                  

f. elegans (Koidz.) Ohwi. Stems 18-27 cm. long; radical and lower cauline leaves about 9 cm. long, 4 cm. wide, rounded to cuneate at base, loosely cobwebby on both sides, irregularly coarse-toothed. 

f. angustifolia (Nakai) Ohwi. Stems about 22 cm. long; cauline leaves linear- lanceolate, about 12 cm. long, about 1.2 cm. wide,cuneate at base, petiolate, not decurrent, loosely mucronate-toothed, nearly glabrous on both sides.

Saussurea yanagisawae
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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