Plants cespitose, sometimes densly so, to 1.5 dm. Leaves to 5 cm; petiole 1/2-3/4 length of leaf; blade light green abaxially, dark green adaxially, lanceolate, 1×-lobed with 1, occasionally 2, pairs of lateral lobes, hirsute; terminal lobe occasionally with small secondary lobes, apex obtuse, rounded. Inflorescences: scapes erect, sparsely to densely hispid. Flowers to 3.5 cm diam.; petals yellow or white; anthers yellow; stigmas 5-6, disc flat. Capsules subglobose to obconic, to 1.2 cm, 1-2.5 times longer than broad, densely hirsute, trichomes dark-brown or black.

Phenology: Flowering Jul-early Aug.
Habitat: Well-drained gravels of floodplain terraces and coastal arctic screes
Elevation: 0-100 m

Distribution

• Generated Map
• Legacy Map

Alaska, Asia (Russian Far East)

Discussion

According to A. I. Tolmatchew and V. V. Petrovsky (1975), this species is known in Alaska also from the Seward Peninsula, presumably based on a specimen at LE (St. Petersburg), which we have not seen.

Selected References

None.

Lower Taxa

None.

"/2lengthofleaf" is not declared as a valid unit of measurement for this property.