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Vascular Plants of California
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Chrysolepis
CHINQUAPIN

Higher Taxonomy
Family: FagaceaeView DescriptionDichotomous Key

Common Name: OAK FAMILY
Habit: Shrub, tree, evergreen or not; monoecious. Leaf: simple, alternate, petioled; margin entire to lobed; stipules small, generally deciduous. Staminate Inflorescence: catkin or stiff spike, many-flowered. Pistillate Inflorescence: 1--few-flowered, generally above staminate inflorescence; involucre bracts many, generally overlapping, flat or cylindric. Staminate Flower: calyx generally 4--6-lobed, minute; petals 0; stamens 4--12+. Pistillate Flower: calyx generally 6-lobed, minute; petals 0; ovary inferior, style branches generally 3. Fruit: 1 nut subtended, partly enclosed by scaly, cup-like involucre or 1--3 nuts subtended, enclosed by spiny, bur-like involucre; mature years 1--2. Seed: generally 1.
Genera In Family: 7 genera, +- 900 species: generally northern hemisphere. Note: Wood of Quercus critical for pre-20th century ship-building, charcoal for metallurgy; some now supply wood (Fagus, Quercus), cork (Quercus suber), food (Castanea, chestnut). Lithocarpus densiflorus moved to Notholithocarpus.
eFlora Treatment Author: John M. Tucker, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Chrysolepis
Habit: Evergreen. Leaf: leathery, adaxially +- glabrous, green, abaxially golden, with densely spaced, minute, appressed scales, margin entire or +- wavy above middle; stipules generally deciduous. Staminate Inflorescence: branched or not, stiff, clustered or not, ascending to erect. Pistillate Inflorescence: clustered below staminate on same or separate stalk, 1--3-flowered. Staminate Flower: sepals generally 6, minute; stamens generally 8--10+. Fruit: nuts 1--3, enclosed by spiny, bur-like involucre, ovoid to +- spheric, +- angled; mature year 2.
Species In Genus: 2 species: western North America. Etymology: (Greek: golden scale, from abaxial leaf)
Jepson eFlora Author: John M. Tucker
Unabridged Reference: Hjelmqvist 1960 Bot Not 113:373--380
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Key to Chrysolepis

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Citation for this treatment: John M. Tucker 2012, Chrysolepis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=68272, accessed on April 18, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 18, 2024.