Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
23. Primulaceae, the Primrose Family
3. Primula L. -- Primrose
1. Primula incana M. E. Jones
Scapose plant 6-40 cm tall, the foliage variously farinose; leaves in
a basal rosette, strongly white-farinose beneath and usually less so above,
elliptic to oblanceolate or spatulate, 2-6 cm long, 0.5-2 cm wide, shallowly
denticulate to subentire, sessile or with winged petioles mostly 3-6 cm long.
Flowers 3-12 in an umbel; bracts several, linear-lanceolate, 5-10
mm long, gibbous at the base; pedicels about equaling the bracts. Calyx
farinose to some degree, 6-8 mm long, 5-lobed for ca. 1/3 of its length, the
lobes obtuse to subacute; corolla lilac, salverform, the tube 8-11 mm
long, the lobes deeply 2-lobed, 2-3 mm long; stamens attached in the
upper 1/3 of the corolla tube. Capsule ellipsoid, about equaling to slightly
exceeding the calyx; seeds strongly angular, 0.5-0.7 mm long, reticulate. Wet
meadows, springs and shores, often where alkaline; rare, with a few collections
from nw ND; (ne Hudson Bay to AK, s to ND, CO, UT, ID and B.C.).
Previous Species -- Lysimachia thyrsiflora L.
-- Water loosestrife
Return to Family -- Primulaceae - The