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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to shrub [tree]. Leaf: cauline, simple, opposite or whorled, often gland-dotted; stipules 0. Inflorescence: cyme, panicle, or flower 1, terminal or axillary. Flower: bisexual, radial; sepals persistent, generally 5, often fused at base, overlapping; petals generally 5, free; stamens generally many, free or ± fused into 3–5 clusters; pistil 1, ovary superior, chambers 1–3, placentas generally axile, style branches 3. Fruit: capsule, generally septicidal. Seed: many, small.
37 genera, 1610 species: worldwide, largely tropics. [Gustaffson et al. 2002 Int J Plant Sci 163:1045–1054] Sometimes included in Clusiaceae. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Annual to shrub, glabrous. Leaf: sessile Inflorescence: generally terminal cymes, bracted. Flower: sepals 5; petals 5, deciduous or persistent, generally ± yellow; anthers occasionally black-dotted; ovary chambers 1 or 3(5), placentas 3(5), axile or parietal, projecting into chamber.Key to Hypericum
± 450 species: worldwide. (Greek name) [Robson 2002 Bull Nat Hist Mus London, Bot 32:61–123]
Perennial herb 2–7 dm, taprooted or rhizomed. Stem: erect, few from base, slender; sterile axillary branches generally < 2 cm. Leaf: 1–3 cm, ovate to elliptic, flat, base ± clasping, margin black-dotted, lower surface obscurely dotted. Inflorescence: flowers generally 3–25 per stem. Flower: sepals 3–4 mm, oblong to ovate, generally obtuse, black-dotted; petals 7–12 mm, obovate, pale to bright yellow, black-dotted; stamens in 3 clusters, anthers black-dotted; styles 3–5 mm. Fruit: 6–7 mm, 3-lobed. Seed: < 1 mm, brown.
Wet meadows, streambanks, mesic areas in chaparral, conifer forest; < 2940 m. Northwestern California, High Cascade Range, Sierra Nevada, San Francisco Bay Area, Outer South Coast Ranges, Transverse Ranges, Peninsular Ranges, Modoc Plateau; to western Canada, Montana, New Mexico. [Hypericum formosum var. scouleri (Hook.) J.M. Coult.] Jun–Sep [Online Interchange]
Previous taxon: Hypericum perforatum subsp. perforatum
Next taxon: Juglandaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 29 2014
Citation for this treatment: [Author of taxon treatment] 2013. Hypericum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28801, accessed on Jul 29 2014
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