UW Burke Herbarium species comparison

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Hypericum majus

Hypericum anagalloides

greater Canadian St. John's-wort

bog John's-wort, creeping St. John's-wort, tinker's penny
Habit Perennial from short, leafy rhizomes, the stems upright, 1-5 dm. tall, simple or branched above. Low, diffuse, mat-forming perennial, the stems freely-rooting, the upright stems 5-15 cm. long, simple or branched above.
Leaves

Leaves opposite, sessile, lanceolate to oblong, rounded, 1-3.5 cm. long, 5- to 7-nerved.

Leaves opposite, sessile, ovate or elliptic to obovate, 5-15 mm. long, 5-to 7-nerved, rounded, slightly clasping.
Flowers

Inflorescence of terminal cymes with small, linear bracts;

sepals 5, lanceolate, 4-7 mm. long;

petals 5, yellow, about equal to the sepals;

stamens 15-35, the filaments almost capillary, distinct;

styles 3, short.

Inflorescence of leafy, few-flowered, terminal cymes;

sepals 5, 2-3 mm. long, ovate-elliptic;

petals 5, salmon-yellow, only slightly longer than the sepals;

stamens 15-25, longer than the sepals, the filaments stout, free;

styles 3, slender, 1.5-2 mm. long.
Fruits

Capsule 3-celled.

Capsule 3-celled.

Hypericum majus

Hypericum anagalloides
Flowering time July-September June-August
Habitat Peatlands, shores, damp sand, and cranberry farms. Moist ground, from the coast to mid-elevations in the mountains.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Occurring chiefly west of the Cascades crest in Washington; British Columbia to Baja California, east to Montana, Utah, and Nevada.
[WildflowerSearch map]
[BONAP county map]
Origin Both native and introduced from eastern North America Native
Conservation status Sensitive in Washington (WANHP) Not of concern
Sibling taxa
H. anagalloides, H. androsaemum, H. boreale, H. calycinum, H. canadense, H. ellipticum, H. maculatum, H. mutilum, H. perforatum, H. scouleri, H. tetrapterum
H. androsaemum, H. boreale, H. calycinum, H. canadense, H. ellipticum, H. maculatum, H. majus, H. mutilum, H. perforatum, H. scouleri, H. tetrapterum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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