Geranium bicknellii, Bicknell cranesbill

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Intermountain Flora
Annual (or biennial) from a slender taproot; vestiture of stems and leaves hirsute, with spreading or retrorse hairs; stems erect to decumbent, often much-branched, 1-4 (6) dm tall; leaves 2-6.5 cm wide, cordate-orbicular to reniform, deeply palmately (3) 5 (7)-parted, almost cleft to the base, these divisions again variously cleft half their length or less, the petioles of the lower leaves 4-12 cm long; inflorescence open, the peduncles and pedicels densely glanular-puberulent, the sepals with a mixture of glandular and longer eglandular hairs and eglandular-ciliate, the pedicels 1.5-3.5 cm long; sepals 4.5-7.5 (8) mm long broadly lanceolate, the awn tip (1) 1.2-1.8 mm long; petals 6-9 mm long, rose-colored; stamens 10, all fertile, the anthers about 0.5 mm long, mature stylar column (measured from a receptacle to tip of stylodia) 18-25 mm long, the carpel bodies 3-4 mm high, stiff-hirsute, the beak 3-4.5 (5.5) mm long, the stylodia 1-1.4 mm long; seeds 2-2.7 mm long, finely reticulate-areolate with elongate areolae, dark brown; 2n = 52.

Cronquist, A., Holmgren, N.H., and Holmgren, P.K. (1997) "Intermountain Flora" pg. 332, vol. 3 part A, The New York Botanical Garden New York.