Flora of North America species comparison

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Hypericum anagalloides

bog john's-wort, bog St. John's-wort, creeping St. John's-wort, tinker's penny
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
Phenology Flowering spring–late summer (May–Sep).
Habitat Bogs, ditches, lake and stream margins, meadows, other damp habitats
Elevation 50–2700 m (200–8900 ft)
Distribution
from FNA
AZ; CA; ID; MT; NV; OR; UT; WA; BC; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
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 Hypericaceae > Hypericum > sect. Brathys
Sibling taxa
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
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)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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