Chrysosplenium glechomifolium

Nuttall in J. Torrey and A. Gray
in J. Torrey and A. Gray, Fl. N. Amer. 1: 589. 1840 (as glechomaefolium) ,.
Common names: Pacific golden-saxifrage
Endemic
Synonyms: Chrysosplenium oppositifolium var. scouleri Hooker Chrysosplenium scouleri (Hooker) Rose
Treatment appears in FNA Volume 8. Treatment on page 72. Mentioned on page 71.

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.


Phenology: Flowering Feb–May.
Habitat: Marshy ground, seeps, springs, bogs, streamsides
Elevation: 0-900 m

Discussion

Selected References

None.

Lower Taxa

None.

Craig C. Freeman +  and Nicholas D. Levsen +
Nuttall in J. Torrey and A. Gray +
Pacific golden-saxifrage +
Calif. +, Oreg. +  and Wash. +
0-900 m +
Marshy ground, seeps, springs, bogs, streamsides +
Flowering Feb–May. +
in J. Torrey and A. Gray, Fl. N. Amer. +
Chrysosplenium oppositifolium var. scouleri +  and Chrysosplenium scouleri +
Chrysosplenium glechomifolium +
Chrysosplenium +
species +