Lagotis glauca

Gaertner

Novi Comment. Acad. Sci. Imp. Petrop. 14(1): 534, plate 18, fig. 2. 1770.

Illustrated
Treatment appears in FNA Volume 17. Treatment on page 295. Mentioned on page 296.

Perennials 6–35 cm; rhizomes short, stout. Stems 1 or 2(or 3), unbranched, fleshy. Leaves: basal long-petiolate; cauline short-petiolate or sessile. Spikes capitate to cylindric, 15–77 mm, elongating in fruit to 4–14 cm; bracts enlarging post anthesis. Flowers: calyx lobe margins entire or ciliate; style exserted.

Distribution

N.W.T., Yukon, Alaska, Asia (Russian Far East, Siberia).

Discussion

Subspecies 3 (2 in the flora).

Subspecies minor (Willdenow) Hultén occurs in Eurasia.

Selected References

None.

Key

1 Basal leaf blades broadly obovate-oblanceolate, apices rounded or obtuse, sometimes subacute, margins crenate-dentate; filaments to 1.5 mm. Lagotis glauca subsp. glauca
1 Basal leaf blades narrowly oblanceolate, apices obtuse or subacute, sometimes acute, margins entire or dentate to serrate; filaments 2+ mm. Lagotis glauca subsp. lanceolata