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... more about "Sieversia"
Joseph R. Rohrer +
Willdenow +
compound +  and simple +
opposite +  and alternate +
elliptic +  and obovate +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
coriaceous +
free +  and distinct +
Alaska +  and e Asia +
not +  and aggregated +
For Johann August Carl Sievers, 1762–1795, German-born apothecary who explored eastern Russia in search of medicinal rhubarb +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
tapered +, ovoid +  and fusiform +
2 cm20 mm <br />0.02 m <br /> (?) +
saucer--shaped +
2 cm20 mm <br />0.02 m <br /> (?) +
crassinucellate +
simple +  and compound +
opposite +  and alternate +
deciduous +
narrowly elliptic +  and obovate or rhombic +
pinnate +  and entire +
toothed +, lobed +, entire +  and flat +
inferior +  and superior +
clustered +, biseriate +  and superposed +
0 (?) +  and 4 (?) +
fading yellowish +, yellow +  and white +
free +  and distinct +
obovate;elliptic +
adnate +, free +, connate +  and distinct +
Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. +
fibrous-rooted +  and branching +
not arillate +
persistent +
free +  and distinct +
spreading +  and reflexed +
free +  and distinct +
decumbent +  and ascending +
1 +  and 5 +
palmate +  and pinnate +
not geniculate-jointed +
persistent +
distinct +
basal +, lateral +, subterminal +  and terminal +
not hooked +
Sieversia +
Rosaceae tribe Colurieae +
inconspicuous +
short-hairy +
hemispheric +
enlarged +
rhizomatous +  and subscapose +