Hypericum anagalloides |
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bog john's-wort, bog St. John's-wort, creeping St. John's-wort, tinker's penny |
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Habit | Herbs annual or perennial, decumbent to ascending, with diffusely branching and rooting base, forming loose mats, not usually branched distally, 0.3–1.5 dm. |
Stems | internodes 4-angled. |
Leaves | spreading, sessile or subamplexicaul; blade ovate or orbiculate to elliptic or oblanceolate (proximal) or oblong (distal), 3–13 × 1.5–8.5 mm, papery to membranous, margins plane, apex rounded, basal veins 3–5(–7), distally looped, midrib unbranched. |
Inflorescences | loosely corymbiform, 1–14-flowered, branching mostly dichasial. |
Flowers | 3–5(–8) mm diam.; sepals usually narrowly elliptic-oblong to oblanceolate-spatulate, rarely obovate, unequal, 2–4 × 0.9–2 mm, margins sometimes ciliate, not setulose-ciliate, apex subacute to rounded; petals golden yellow to salmon-orange, oblanceolate, (1.7–)3.5–5 mm; stamens (5–)12–15(–25), separate or obscurely 3-fascicled; styles 0.5–2 mm; stigmas scarcely capitate. |
Capsules | ellipsoid to cylindric or subglobose, 2.5–5 × 1.7–2.5 mm. |
Seeds | 0.5–0.6 mm; testa linear-scalariform. |
2n | = 16. |
Hypericum anagalloides |
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Phenology | Flowering spring–late summer (May–Sep). |
Habitat | Bogs, ditches, lake and stream margins, meadows, other damp habitats |
Elevation | 50–2700 m [160–8900 ft] |
Distribution |
AZ; CA; ID; MT; NV; OR; UT; WA; BC; Mexico (Baja California)
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Discussion | As reflected in the synonymy, Hypericum anagalloides is variable; none of the variations merits taxonomic recognition. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 6, p. 95. |
Parent taxa | |
Sibling taxa | |
Synonyms | H. anagalloides var. calicifolium, H. anagalloides var. cymosum, H. anagalloides var. nevadense, H. anagalloides var. pumilum, H. anagalloides var. ramigerum, H. anagalloides var. undulatum, H. bryophytum, H. tapetoides |
Name authority | Chamisso & Schlechtendal: Linnaea 3: 127. (1828) |
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