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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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great or giant St. John's wort, great St. John's-wort
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| 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. |
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internodes 4-angled. |
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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. |
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loosely corymbiform, 1–14-flowered, branching mostly dichasial. |
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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. |
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ellipsoid to cylindric or subglobose, 2.5–5 × 1.7–2.5 mm. |
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0.5–0.6 mm; testa linear-scalariform. |
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= 16. |
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| Flowering spring–late summer (May–Sep). |
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| Bogs, ditches, lake and stream margins, meadows, other damp habitats |
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| 50–2700 m [160–8900 ft] |
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AZ; CA; ID; MT; NV; OR; UT; WA; BC; Mexico (Baja California)
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CT; IA; IL; IN; KS; MA; MD; MI; MN; MO; NY; OH; PA; VT; WI; ON; QC; Asia (e China, Japan, Korea, Siberia)
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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.) |
Subspecies 3 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 6, p. 95. |
FNA vol. 6, p. 97. |
| Hypericaceae > Hypericum > sect. Brathys |
Hypericaceae > Hypericum > sect. Roscyna |
H. adpressum, H. apocynifolium, H. ascyron, H. boreale, H. brachyphyllum, H. buckleyi, H. canadense, H. canariense, H. chapmanii, H. cistifolium, H. concinnum, H. crux-andreae, H. cumulicola, H. densiflorum, H. denticulatum, H. dolabriforme, H. drummondii, H. edisonianum, H. ellipticum, H. erythreae, H. fasciculatum, H. frondosum, H. galioides, H. gentianoides, H. graveolens, H. gymnanthum, H. harperi, H. hypericoides, H. kalmianum, H. lissophloeus, H. lloydii, H. lobocarpum, H. maculatum, H. majus, H. microsepalum, H. mutilum, H. myrtifolium, H. nitidum, H. nudiflorum, H. paucifolium, H. perforatum, H. prolificum, H. pseudomaculatum, H. punctatum, H. radfordiorum, H. scouleri, H. setosum, H. sphaerocarpum, H. suffruticosum, H. tenuifolium, H. tetrapetalum, H. virgatum, H. ×mitchellianum |
H. adpressum, H. anagalloides, H. apocynifolium, H. boreale, H. brachyphyllum, H. buckleyi, H. canadense, H. canariense, H. chapmanii, H. cistifolium, H. concinnum, H. crux-andreae, H. cumulicola, H. densiflorum, H. denticulatum, H. dolabriforme, H. drummondii, H. edisonianum, H. ellipticum, H. erythreae, H. fasciculatum, H. frondosum, H. galioides, H. gentianoides, H. graveolens, H. gymnanthum, H. harperi, H. hypericoides, H. kalmianum, H. lissophloeus, H. lloydii, H. lobocarpum, H. maculatum, H. majus, H. microsepalum, H. mutilum, H. myrtifolium, H. nitidum, H. nudiflorum, H. paucifolium, H. perforatum, H. prolificum, H. pseudomaculatum, H. punctatum, H. radfordiorum, H. scouleri, H. setosum, H. sphaerocarpum, H. suffruticosum, H. tenuifolium, H. tetrapetalum, H. virgatum, H. ×mitchellianum |
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| 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 |
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| Chamisso & Schlechtendal: Linnaea 3: 127. (1828) |
Linnaeus: Sp. Pl. 2: 783. (1753) |
| |
BC, 
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria, 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
Go Botany
IL Wildflowers
KS Wildflowers
MD Biodiversity
MI Flora
MN Wildflowers
MO Plants
