Geranium viscosissimum, sticky geranium

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Intermountain Flora
Perrenial herb from a thick, scaly, relatively elongate and often branched caudex, often short-rhizomatous, from a taproot; vestiture of the lower stems and petioles strigose or sometimes spreading-hirsute or subglabrous, eglandular in ours, the upper stem often with glandular pubescence as well, the leaves strigose; stems erect or ascending, (2.5) 4-9 dm tall; leaves 6-12 (15) cm wide; deeply palmately 5 (7)-parted, these divisions pinnately coarsely toothed, the teeth sharply acute, the petioles of the basal and lower stem leaves 10-30 (50) cm long; inflorescence open, the peduncles and pedicels densely pubescent, especially at the nodes and base of the flowers, the pedicels 1.5-4 (5) cm long; sepals (7.5) 8-10 mm long, lanceolate to ovate, the margins of the inner ones hyaline, glandular-puberulent on back, the awn tip 1.2-3 mm long; petals 14-22 mm long, obovate, rounded, truncate, or sometimes emarginate, pilose at the base for about ¼ their length with a few stray hairs to about the middle, pink (sometimes pale), lavender, or violet with purple or dark reddish veins; anthers 1.8-2.6 mm long; mature stylar column (measured from receptacle to tip of stylodia) 28-41 mm long, the carpel bodies 5-5.5 mm high, the column glandular-pubescent, the beak 4-6 (7) mm long, the styodia (3) 4-6 mm long; 2n = 52.

Cronquist, A., Holmgren, N.H., and Holmgren, P.K. (1997) "Intermountain Flora" pg. 334, vol. 3 part A, The New York Botanical Garden New York.