Common Name: ST. JOHN'S WORT FAMILY Habit: 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[5], placentas generally axile, style branches 3. Fruit: capsule, generally septicidal. Seed: many, small. Genera In Family: 37 genera, 1610 species: worldwide, largely tropics. Note: Sometimes included in Clusiaceae. eFlora Treatment Author: Robert E. Preston & Jennifer Talbot Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Habit: Annual to shrub, glabrous. Leaf: sessile Inflorescence: generally terminal cymes, bracted. Flower: sepals [4]5; petals [4]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. Etymology: (Greek name) Reference: Robson 2002 Bull Nat Hist Mus London, Bot 32:61--123
Hypericum androsaemum L.
WAIF Habit: Evergreen shrub, 30--70 cm. Stem: erect, many, branching. Leaf: sessile, 4--12 cm, ovate, tip rounded or obtuse, margins densely gland-dotted. Inflorescence: flowers 1--11 per stem. Flower: sepals spreading or deflexed, 6--12 mm, unequal, ovate, rounded; petals 6--10 mm, <= sepals, obovate, yellow; stamens 20--25 per group; ovary 4--5 mm, elliptic; styles 2--2.5 mm. Fruit: 7--12 mm, broadly elliptic. Seed: +- 1 mm, red-brown. Ecology: Shaded woodland; Elevation: 180 m. Bioregional Distribution: SnFrB (Berkeley Hills); Distribution Outside California: to British Columbia; native to Europe, western Asia. Flowering Time: Jun Note: Ornamental, occasionally escaping from cultivation. Jepson eFlora Author: Robert E. Preston & Jennifer Talbot Reference: Robson 2002 Bull Nat Hist Mus London, Bot 32:61--123 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Hypericum anagalloides Next taxon: Hypericum calycinum
Citation for this treatment: Robert E. Preston & Jennifer Talbot 2012, Hypericum androsaemum, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=77418, accessed on April 19, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.
No expert verified images found for Hypericum androsaemum.
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