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Project Name Data (Last Modified On 1/17/2013)
 

Flora Data (Last Modified On 1/17/2013)
Species QUERCUS CORRUGATA Hook.
PlaceOfPublication Icones Plant. 5: PI. 403, 404. 1842.
Description Small or large tree, 6 to 20 m. tall. Twigs slender or coarse (often on the same branch), 1.5 to 5 mm. thick, fluted, glabrous or from sparingly strigose soon glabrescent, brown but soon becoming gray with rather large pale lenticels. Buds about 3 mm. long, round-ovoid, glabrous, grayish brown, the stipules caducous, about 10 mm. long, ligulate, dorsally pubescent. Leaves deciduous, thick and rather hard, 5 to usually 15 or even 25 cm. long, 2 to 5 or even 7 cm. broad, lanceolate to oblanceolate or a broader form elliptic to obovate, acute to attenu- ately acuminate and the ultimate apex narrowly rounded or acute, basally cuneate to rounded, coarsely toothed with the teeth abruptly directed forward and mucronate-tipped, entire toward the base, margins minutely revolute or flat, both surfaces somewhat shining, glabrous, old leaves somewhat bullate-granular above or smooth; veins 12 to 14 or even 18 on each side, branching and more or less obviously anastomosing but ultimately passing into the teeth where those are present, minutely raised (including the reticulum) above, more prominent beneath; petioles 15 to 40 mm. long or rarely shorter, glabrous or puberulent. Staminate catkins 5 to 6 cm. long, sparsely villous, loosely flowered, the anthers much exserted. Pistillate catkins about 5 mm. long, 1- or 2-flowered. Fruit annual, solitary on a peduncle 5 to 10 mm. long, rather large; cups 3 to 4 or even 6 cm. broad, shallowly cup-shaped or hemispheric (or discoid in some Mexican forms), very thick, the scales broadly ovate with narrowed apices, much thickened basally, appressed, closely tomentose; acorns subglobose or ovate to oblong, 3 to 5 cm. in diameter, typically longitudinally corrugated but often smooth, dark brown, from ,sparsely villous glabrate, about one-half included.
Habit tree
Note Quercus corrugata is readily distinguished from all other species of LEPIDO- BALANUS in our range by its usually narrow leaves with quite glabrate blades and its very large fruit.
Distribution The species ranges from Mexico to Costa Rica and is very sparse in Panama.
Specimen CHIRIQUI: north of El Hato, Volca'n Baru, Stern and Chambers 47.
 
 
 
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