Hypericum ascyron

Great St. John's Wort

SPECIES

1. KingdomPlantae
2. PhylumTracheophyta
3. ClassMagnoliopsida
4. OrderMalpighiales
5. FamilyHypericaceae

Native toAltay, Amur, Buryatiya, China North-Central, China South-Central, China Southeast, Chita, Connecticut, Hainan, Illinois, Indiana, Inner Mongolia

Observations4,041

Observations recorded10,147

Herbs, perennial, 0.5-1.3(-2) m tall, erect or sometimes ascending from short creeping base; stems single or few, cespitose, unbranched or branched above or nearly throughout. Stems 4-angled when young, becoming 4-lined or occasionally internodes 2-lined below. Leaves sessile; blade lanceolate or ± narrowly ovate or oblong or elliptic to oblong-linear or oblanceolate, (3-)4-9.7(-12) × (0.4-)0.7-3.5(-4) cm, thickly papery, abaxially rather paler but not glaucous; laminar glands dense, unequal dots or short streaks; intramarginal glands dense; main lateral veins 4-7-paired, tertiary reticulation dense, often obscure; base cuneate to cordate-amplexicaul, apex acute to subapiculate or obtuse (or lowermost rarely rounded). Inflorescence 1- to ca. 35-flowered from 1-5 nodes, the whole nearly flat-topped to narrowly pyramidal, sometimes with flowering branches from up to 4 nodes below; bracts and bracteoles leaflike but smaller and often broader, more rarely linear-lanceolate and deciduous. Flowers 3-7(-8) cm in diam., stellate with petals spreading to reflexed; buds broadly to narrowly ovoid, apex rounded to subacute. Sepals free, erect, oblong to elliptic or ovate to ovate-lanceolate or

via GBIF · Kew POWO

🔬Museum specimens

Specimen records

966

With media

873

Family

Hypericaceae

Collections

MSC, UTEP, CMN, MICH, CHSC, CM

Recorded in

United States, China, Canada

Wikidata facts

Instance of

taxon

Subclass of

herbaceous plant

Parent taxon

Hypericum

Image

Hypericum ascyron 0807.JPG

Has use

food

via Wikidata · CC0