|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Hypericaceae||View Description||Dichotomous Key|
|Genus: Hypericum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Hypericum hookerianum Wight & Arn.
Habit: Evergreen shrub, 3--21 dm. Stem: erect to spreading, many-branched. Leaf: petiole 1--4 mm; blade 25--75 mm, ovate to broadly lanceolate, acute to rounded, glands in short lines or dots. Inflorescence: flowers 1--5 per stem. Flower: sepals erect, 5--10 mm, subequal, obovate to elliptic, rounded; petals 15--30 mm, obovate to elliptic, obtuse to rounded, yellow; stamens 60--80 per cluster, anthers yellow; ovary 5--7 mm, ovoid; styles 2--4 mm. Fruit: 9--17 mm, ovoid. Seed: 0.7--1 mm, dark red-brown.
Ecology: Shaded forest; Elevation: 30 m. Bioregional Distribution: NCo (Mendocino Co.); Distribution Outside California: native to southern Asia. Flowering Time: Jul Note: Ornamental, occasionally escaping from cultivation.
eFlora Treatment Author: Robert E. Preston & Jennifer Talbot
Jepson Online Interchange
Previous taxon: Hypericum concinnum
Next taxon: Hypericum mutilum subsp. mutilum
Citation for this treatment: Robert E. Preston & Jennifer Talbot 2017. Hypericum hookerianum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=89017, accessed on March 24, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 24, 2017.