Krascheninnikovia

Gueldenstaedt

Novi Comme nt. Acad. Sci. Imp. Petrop. 16: 551. 1772.

Common names: Winterfat
Etymology: for S. P. Krasheninnikova, 1711–1755, academician and professor in Saint Petersburg, author of the first flora of Saint Petersburg
Treatment appears in FNA Volume 4. Treatment on page 307. Mentioned on page 260, 389.

Subshrubs, monoecious or dioecious, herbage densely tomentose, hairs stellate. Stems erect, not jointed or armed; basal branches woody, flowering branches herbaceous. Leaves alternate, petiolate; blade linear to narrowly lanceolate, not fleshy, base truncate, margins entire, revolute, apex blunt. Inflorescences axillary clusters or small spikes. Flowers unisexual; staminate flowers with bractlets absent, perianth 4-parted, stamens 4; pistillate flowers enclosed in 2 partially connate, slightly keeled, densely hirsute bractlets with free tips hornlike, perianth absent, stigmas 2, elongate. Fruiting structures ovate, flat utricles; pericarp free, thin. Seeds vertical, ovate; seed-coat brown, covered with white hairs; embryo annular, perisperm copious. x = 9.

Distribution

North America, Eurasia

Discussion

Species 3 (1 in the flora).

Selected References

None.

... more about "Krascheninnikovia"
Noel H. Holmgren +
Gueldenstaedt +
slippery +
aromatic +
linear +  and narrowly lanceolate +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
Winterfat +
North America +  and Eurasia +
for S. P. Krasheninnikova, 1711–1755, academician and professor in Saint Petersburg, author of the first flora of Saint Petersburg +
pistillate +  and staminate +
not winged +  and winged +
lobed +  and serrate-dentate +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
papery +  and chartaceous +
Novi Comme nt. Acad. Sci. Imp. Petrop. +
pointing +  and ascending +
basal +, median +  and position +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
cylindric +
armed +  and not jointed +
opposite +  and alternate +
succulent +
elongate +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Krascheninnikovia +
Chenopodiaceae +
hornlike +
deciduous +, evergreen +, perennial +  and annual +
dioecious +  and monoecious +