Papaver radicatum
Papaver macounii
arctic poppy, iceland poppy, Macoun's poppy, root poppy
Macoun's poppy
to 12 cm;
petiole 2/3 length of leaf;
blade green on both surfaces, not glaucous, lanceolate, 1-2x-lobed with 2-3(-4) pairs of primary lateral lobes;
primary lobes broadly lanceolate or strap-shaped, apex obtuse to acute.
petiole to 3/4 length of leaf;
blade lanceolate, 1-2x-lobed;
primary lobes generally lanceolate, sometimes strap-shaped, apex acute or obtuse.
scapes erect or bowed and decumbent, less than 15 cm, sparsely to densely hispid.
scapes erect.
to 6.5 cm diam.;
petals yellow or white, rarely pink tinged, or brick red;
anthers yellow;
stigmas 4-7, disc convex.
obovoid to subglobose, 1-2.5 times longer than broad, strigose, trichomes light to dark brown or black.
more than 4 times longer than broad.
Papaver radicatum
Papaver macounii
Subspecies numerous (4 in the flora).
Many infraspecific taxa have been named from throughout the extensive range of this extremely variable species. Within North America, the following broadly circumscribed subspecies are generally, but not always, distinguishable.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Subspecies 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Scapes densely hispid with dark trichomes; capsules with dark brown trichomes. | subsp. polare |
1. Scapes hispid with light-colored trichomes (sometimes dark brown in subsp. alaskanum); capsules with light to dark brown trichomes. | → 2 |
2. Flowers 2 cm diam. or less; capsules ellipsoid-subglobose to oblong-obconic; Rocky Mountain system from Alaska and Yukon southward. | subsp. kluanense |
2. Flowers mostly greater than 2 cm diam.; capsules broadly obovoid to ellipsoid; Aleutian Islands n, e across arctic Alaska and Canada to Greenland. | → 3 |
3. Capsule trichomes generally with abruptly thickened bases; Aleutian Islands, islands of the Bering Strait and w coast of Alaska. | subsp. alaskanum |
3. Capsule trichomes generally without thickened bases; w, n Alaska e to Canada and Greenland. | subsp. radicatum |
1. Plants robust; persistent leaf bases numerous, firm, acuminate; leaf blades green on both surfaces, hispid. | subsp. macounii |
1. Plants slender; persistent leaf bases few, flexible, lanceolate; leaf blades light green or glaucous abaxially, dark green adaxially, glabrate to densely pilose. | subsp. discolor |
BC
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
