| Quercus sarahmariae | |
| Author |
Nixon & Barrie 2017 |
| Synonyms | |
| Local names | |
| Range | Costa Rica (Limon, Puntarenas, Chiriqui) ; 700-1900 m: |
| Growth habit | reaches 45 m and more; |
| Leaves |
6-22 x 2.5-8.5 cm, nearly 2 to 4 times as long as wide; elliptic to narrowly elliptic; apex acuminate with a 1-2 mm long bristle; base cuneate; margin flat or crisped, entire but, usually, a few leaves show 1-5 triangular teeth in the apical 1/4, if present the teeth are bristle-tipped or not; adaxially dull green, glabrous, with flat veins; abaxially green-bronze, nearly glabrous or pubescent along veins especially at the base of the blade, with prominent veins; 12-15 vein pairs, ascending, straight or acuate, bifurcating distally; petiole 7-22 mm, dark basally, glabrate or with a few hairs; |
| Flowers | |
| Fruits |
acorn 2.1-3.6 cm long, 2.3-2.5 cm wide, brown to dark reddish brown, puberulent, cylindric, seldom globose or subglobose, rounded at the tip, base broad and flat; cup 6-10 mm heigh, 24-28 mm wide, saucer-shaped, scales imbricated and thickened basally, finely sericeous; annual; cotyledons free; |
|
Bark, twigs and |
twig 2-4 mm thick, dark purplish black, glabrous; lenticels white, obscure to prominent; stipules deciduous; buds 2-5 mm, ovoid, rounded to bluntly acute at apex, brown, glabrous; |
| Hardiness zone, habitat | wet premontane forests or cloud forests; |
| Miscellaneous |
-- Sub-genus Quercus, section Lobatae, Series Erythromexicanae,
group Benthamiae; |
| Subspecies and varieties |
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| Pictures |  |