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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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.
7 genera, ± 900 species: generally northern hemisphere. [Li et al. 2004 Int J Plant Sci 165:311–324] 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. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Li, R.-Q., Chen, Z.-D., Lu, A.-M., Soltis, D. E., Soltis, P. S., & Manos, P. S. 2004. Phylogenetic relationships in Fagales based on DNA sequences from three genomes. Int. J. Plant Sci. 165: 311–324.]
Key to Fagaceae
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.Key to Chrysolepis
2 species: western North America. (Greek: golden scale, from abaxial leaf)
Unabridged references: [Hjelmqvist 1960 Bot Not 113:373–380]
Shrub, tree < 30(45) m; top ± conic. Stem: trunk bark ± thick, rough, furrowed. Leaf: petiole 5–12 mm; blade 5–15 cm, lanceolate to oblong, adaxially dark green, abaxially golden, base tapered, tip abruptly long-tapered. Fruit: bur 3–5 cm diam; nut 6–15 mm. [Online Interchange]
Previous taxon: Chrysolepis
Next taxon: Chrysolepis chrysophylla var. chrysophylla
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 11 2014
Citation for this treatment: [Author of taxon treatment] 2012. Chrysolepis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19400, accessed on Mar 11 2014
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