Key to Fagaceae
View taxon page for Fagaceae
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Nuts 1–3, ± angled, enclosed by spiny, bur-like
involucre 
Group of bracts more or less held together as a unit, subtending a flower, fruit (acorn cup), or inflorescence.
..... CHRYSOLEPIS 1' Nuts 1, not angled, partly enclosed by scaly, cup-like involucre
2. Cup-like involucre with
reflexed 
Abruptly bent or curved downward or backward.
to
spreading 
Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal.
scales;
staminate inflorescence a stiff
spike 
1. In flowering plants excluding Asteraceae, Cyperaceae, Poaceae, and some other groups, an unbranched inflorescence in which the flowers are sessile and nearly always open from the bottom to the top of the inflorescence. 2. In Asteraceae, Cyperaceae, Poaceae, and some other groups, a spike-like inflorescence is one in which the inflorescence units (e.g., heads in Asteraceae; spikelets in Cyperaceae and Poaceae), instead of individual flowers, are sessile and attached directly to the main axis of the inflorescence, not to branches, and in which floral development may or may not proceed as in 1.
, spreading to
erect 
Upright; vertically oriented.
..... NOTHOLITHOCARPUS 2' Cup-like involucre with
appressed 
Parallel or nearly parallel to and often in contact with surface of origin; used to describe the disposition of hairs, leaves, pedicels, etc.
scales; staminate inflorescence a
catkin 
Spike or spike-like (e.g., Alnus) inflorescence of unisexual flowers with inconspicuous perianths (generally wind-pollinated), usually pendent and often with conspicuous bracts.
,
pendent ..... QUERCUS
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