Quercus rubramenta
Geographic Range
Mexico (Guerrero, in the Sierra Madre del Sur); 2200-2950 m;
Growth Habit
25-40 m; trunk to 1 m in diameter;
Leaves
10-25 cm X 3-8; deciduous; leathery; ovate lanceolate to elliptic; apex pointed, acuminate; base rounded or attenuate; margin entire, thick, slightly wavy, with sometimes 1 or 2 pairs of bristle-tipped teeth near apex; glabrous on both sides, with sometimes axil tufts beneath; 11-24 vein pairs, adaxially raised or not, raised underneath; petiole becoming soon glabrous, 2-5 mm long;
Flowers
from February to April ; male catkins 5-12 cm long; pistillate ones 1.5-2 cm, usually 3-flowered;
Fruits
acorn 1-1.8 cm long, oblong-ellipsoid, pubescent, singly or to 3 together, stalkless on a 1-3 cm long peduncle; cup halfround to slightly conical, silky inside, with lanceolate scales, enclosing 1/3 to 1/2 of nut; maturing in 1 year, from June to August;
Additional Information
– A. Camus = n° 363; – Sub-genus Quercus, section Lobatae, Series Erythromexicanae, Group Benthamiae; – Threatened (IUCN Red List Category : VU). – Frequently considered as synonym of Q. salicifolia – For Zavala-Chavez, 2003, it is a variety of Q.conspersa .
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