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FNA | Family List | FNA Vol. 8 | Saxifragaceae | Chrysosplenium

2. Chrysosplenium glechomifolium Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 589. 1840.

Pacific golden-saxifrage Pacific golden-saxifrage

Chrysosplenium oppositifolium Linnaeus var. scouleri Hooker; C. scouleri (Hooker) Rose

Stolons white or tan, 0.3-1 mm diam., glabrous. Flowering stems ascending to erect, branching in distal 1/4-1/2, 8-27 cm, glabrous. Leaves usually opposite, sometimes alternate distally, membranous. Stolon leaves: petiole 3-10 mm, glabrous; blade ovate to depressed-ovate or flabellate, 5-17(-20) × (3-)6-16 mm, base truncate to cuneate, margins 9-17(-21)-crenate or -crenate-dentate, not purple-spotted, glabrous, surfaces glabrous abaxially and adaxially. Cauline leaves 2-9; petiole 0.2-10 mm, glabrous; blade ovate to depressed-ovate or flabellate, 5-17(-20) × (3-)6-16 mm, base truncate to cuneate, margins 9-17(-21)-crenate or -crenate-dentate, glabrous, surfaces glabrous abaxially and adaxially. Inflorescences terminal or axillary solitary flowers or 3-20-flowered, open cymes; bracts green, not purple-spotted, foliaceous, ovate to flabellate, 2-9 × 2-8 mm, margins 5-9-crenate. Pedicels absent or 0.1-1.8(-3) mm. Flowers: hypanthium green, not purple-spotted, turbinate, 0.8-1.8 × 1.5-3 mm, glabrous; sepals spreading to erect, green, not purple-spotted, sometimes reddish brown-spotted distally, broadly ovate, 1-1.5 × 1.1-1.8 mm, apex obtuse to rounded; nectary disc conspicuous, green or purple, 8-lobed; stamens 8, 0.4-0.8 mm; anthers yellow, 0.1-0.3 × 0.2-0.4 mm; styles 0.3-0.4 mm. Seeds 10-20, dark brown, ovoid to ellipsoid, 0.7-1 mm, glabrous. 2n = 18.

Flowering Feb-May. Marshy ground, seeps, springs, bogs, streamsides; 0-900 m; Calif., Oreg., Wash.


 

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