Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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James R. Shevock

Shrubs, small trees, often stellate- or peltate-hairy; bark resinous
Leaves simple, alternate, generally entire; stipules 0
Inflorescence: panicle, raceme, cyme, or flowers solitary
Flower generally bisexual, radial, generally showy, fragrant; sepals 4–5, fused, persistent; petals 2–5(7), fused below, tube short; stamens generally 2–4 X petal number, generally epipetalous in 1 series; ovary superior or inferior, chambers 2–5
Fruit: generally capsule or drupe
Seeds generally 1–2 per chamber
Genera in family: ± 10 genera, ± 150 species: e&w US to South America; also in Medit, e Asia; some cultivated as ornamental (Styrax, Halesia ); some bark resins are medicinal.



Shrubs, trees
Leaves generally deciduous
Inflorescence: generally raceme, drooping
Flower: calyx truncate; corolla white, fragrant; stamens 10–16, fused at base
Fruit: generally capsule, ± spheric
Seed generally 1 per chamber
Species in genus: ± 120 species: especially se Asia; some with medicinal resins
Etymology: (Greek: name of Theophrastus for plant providing gum storax)
Reference: [Gonsoulin 1974 Sida 5:191–258]


S. officinalis L. var. redivivus (Torr.) R.A. Howard

Shrub 1–4 m
Leaf: petiole 3–10 mm, variably hairy; blade 2–7 cm, obovate to ± round, upper surface generally glabrous, lower surface paler, stellate-hairy, base often ± cordate
Inflorescence: cluster, few-flowered; peduncle 6–12 mm
Flower: calyx teeth obscure, unequal; corolla 12–18 mm, 4–10-lobed, white, showy
Fruit generally 12–14 mm
Seed spheric-ovoid, light brown, smooth
Ecology: Uncommon. Dry places in chaparral, woodland
Elevation: generally < 1500 m.
Bioregional distribution: High North Coast Ranges, Inner North Coast Ranges, Cascade Range, Sierra Nevada, Outer South Coast Ranges, w Western Transverse Ranges, San Bernardino Mountains, Peninsular Ranges
Synonyms: var. californicus (Torr.) Rehd.; var. fulvescens (Eastw.) Munz & I.M. Johnst
Hair density and color variable throughout range
Horticultural information: 6, 7, 8, 9, 10, 14, 18, 19, 20, 21; SUN: 4, 15, 16, 17, 22, 23, 24.

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bioregional map for STYRAX%20officinalis%20var.%20redivivus being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Styrax officinalis var. redivivus
Retrieve dichotomous key for Styrax
Overlay Consortium of California Herbaria specimen data by county on this map
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