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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
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 yrs 1–2.
Seed: generally 1.
7 genera, ± 900 species: generally n 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.Key to Chrysolepis
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 yr 2.
2 species: w 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]
Tree 15–30(45) m.
Leaf: blade ± flat.
Conifer forest; < 2000 m. Northwestern California, n Cascade Range, n High Sierra Nevada (El Dorado Co.), Central Coast, San Francisco Bay Area;
Previous taxon: Chrysolepis chrysophylla
Next taxon: Chrysolepis chrysophylla var. minor
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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|Bioregions in which taxon occurs||Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.|
Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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