Polemonium pulcherrimum Hook.
Family: Polemoniaceae
Beautiful Jacob's-Ladder,  more...
Polemonium pulcherrimum image

PLANT: Perennial with several stems, 5-40 cm tall, glabrous to sparsely pilose glandular, each with 1-4 leaves.

LEAVES: 3-11 cm long, 0.5-2 cm wide, villous to glandular pilose; leaflets 11-25, ovate to elliptic, 3-15 mm long, 2-7 mm wide.

INFLORESCENCE: congested to open and elongate.

FLOWERS: pedicels 1-8 mm long; calyx tube 2-3 mm long, the lobes lanceolate to ovate, 2-3 mm long; corollas blue-violet, with a yellow or white throat, rotate, the tube 2-5 mm long, the lobes ovate to obovate; anthers slightly exserted; style included to slightly exserted, usually equalling the stamens.

CAPSULE: 3-4 mm long; seeds 1-3 per locule.

NOTES: 3 subsp.; AK s to AZ and NM.

REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.

Polemonium pulcherrimum image
Polemonium pulcherrimum image
Polemonium pulcherrimum image
Polemonium pulcherrimum image
NPS, Lassen Volcanic NP  
Polemonium pulcherrimum image
Polemonium pulcherrimum image
Polemonium pulcherrimum image
Photo ©Al Schneider, swcoloradowildflowers.com  
Polemonium pulcherrimum image
Photo ©Al Schneider, swcoloradowildflowers.com