Difference between revisions of "Krascheninnikovia"
Novi Comme nt. Acad. Sci. Imp. Petrop. 16: 551. 1772.
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Revision as of 22:24, 16 December 2019
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.